Natural Numbers

Problem 1201

Identify the property shown: $BK + KF = KE + FK$ (options: multiplication, transitive, subtraction, reflexive, none).

See Solution

Problem 1202

A mud house has a cone roof over a cylinder. Given dimensions, find $A B$ , volume, surface area, and house choice.

See Solution

Problem 1203

A lens creates a real image $249 \mathrm{~cm}$ from the object and $1 \frac{2}{3}$ times its size. Find the focal length.

See Solution

Problem 1204

Find the focal length of a lens given an object height of 3.25 cm, distance to image 6 cm, and distance to lens 16 cm.

See Solution

Problem 1205

Calculate the sum: $500 + 300 + 200$ .

See Solution

Problem 1206

Calculate the value of $\frac{8}{5} : \frac{14}{-3} \cdot \frac{8}{14}$ .

See Solution

Problem 1207

Draw a Venn diagram for 400 Grade 7 students: 200 play ML only, 85 play COD only, and 50 play neither.

See Solution

Problem 1208

Expand the expression $(x-5)(x+2)$ .

See Solution

Problem 1209

Lulu had twice as many red buttons as green. After giving away $\frac{1}{3}$ red and $\frac{4}{5}$ green, she had 368 left. How many did she start with?

See Solution

Problem 1210

Represent the swim meet results of Danny, John, Kenny, and Sean in a matrix format based on their placements.

See Solution

Problem 1211

Solve the quadratic equation $12x^{2} - 25x = 0$ .

See Solution

Problem 1212

Solve the equation: $x^{2}-16 x+61=2 x-20$ .

See Solution

Problem 1213

In a survey of 400 Grade 7 students, find how many play both $\mathrm{ML}$ and $\mathrm{COD}$ using a Venn diagram.

See Solution

Problem 1214

Convert the following Roman numerals to Arabic numerals: III, VII, XIV, XVI, XIX, XXI, XXIX, XXXV, XLIII, XLVII, LII, LIX.

See Solution

Problem 1215

Calculate $-\frac{3}{5}:(0.25-\frac{3}{6}): 4 \frac{2}{3}$ .

See Solution

Problem 1216

Find the volume of a cuboid with face areas $35 \mathrm{~cm}^{2}$ , $42 \mathrm{~cm}^{2}$ , and $14 \mathrm{~cm}^{2}$ .

See Solution

Problem 1217

Solve the equation $x^{4}-2 x^{3}-3 x^{2}=0$ .

See Solution

Problem 1218

Find the ball's instantaneous velocity at $t=10.0$ s given its position $x(t)=0.000015 t^5 - 0.004 t^3 + 0.4 t$ .

See Solution

Problem 1219

A car takes 4 s to stop over 20 m. Can we find its speed before braking without knowing acceleration? Options: (A) Yes, $20 \mathrm{~m} / 4 \mathrm{~s}$ . (B) Yes, double average speed. (C) No, need acceleration for $\Delta x=v_{0} t+\frac{1}{2} a t^{2}$ . (D) No, velocity definition includes acceleration.

See Solution

Problem 1220

Solve for $x$ in the equation $2 + 3 = x$ .

See Solution

Problem 1221

Solve the equation: $\frac{4 z}{z+1}+\frac{5}{z}=\frac{6 z+5}{z^{2}+2}$ .

See Solution

Problem 1222

Karan borrowed \$3,650 for 5 months at 10% interest. What is her monthly payment amount?

See Solution

Problem 1223

Find the limit: $\lim _{x \rightarrow \pi} \frac{\cos x+\sin (2 x)+1}{x^{2}-\pi^{2}}$ . What is it?

See Solution

Problem 1224

Identify the function: $y=-16x$ . Is it a step, constant, absolute value, or direct variation function?

See Solution

Problem 1225

What is the difference between 20,400,000 and 2,400,000? Round the answer to the nearest hundred thousand.

See Solution

Problem 1226

Find the difference between 20,400,000 and 2,400,000, then round to the nearest hundred thousand.

See Solution

Problem 1227

How many cans of Coke are left after selling 862,456 from 2,564,546? Round to the nearest ten thousand.

See Solution

Problem 1228

Identify the property shown in $3 x(y+2)=(y+2) 3 x$ : distributive, identity, commutative, or associative?

See Solution

Problem 1229

Medina dan Adi bermain catur. Medina menang 3 kali dan draw 2 kali. Apakah pernyataan berikut benar atau salah?
1. Skor Adi = 21
2. Skor Medina = 44
3. Total skor = 52

See Solution

Problem 1230

Calculate the total of sales volumes: 2,525 million, 4,716 million, 7,241 million, and 9,096 million.

See Solution

Problem 1231

Medina menang 3 kali dan draw 2 kali. Cek kebenaran pernyataan: Skor Adi 21, Skor Medina 44, Total skor 52.

See Solution

Problem 1232

Divide \$380000000 by 8 and round to the nearest ten thousand. What is the amount each person receives?

See Solution

Problem 1233

Calculate the inductance and capacitance per phase of a 40 km overhead line with copper conductors (1.5 cm diameter) in two spacings: 75 cm flat and triangular sides 70 cm, 90 cm, 110 cm.

See Solution

Problem 1234

Suhu udara pada ketinggian $3.600 \mathrm{~m}$ jika suhu permukaan laut $27^{\circ} \mathrm{C}$ dan turun $0,5^{\circ} \mathrm{C}$ setiap 45 m.

See Solution

Problem 1235

Find series turns per pole for a compound generator to keep $V = 618 \mathrm{~V}$ with loads of $4 \mathrm{~A}$ and $5.5 \mathrm{~A}$ . Shunt turns: 2700.

See Solution

Problem 1236

Tentukan apakah pernyataan berikut benar atau salah berdasarkan sifat asosiatif: $13 \times 7=7 \times 13$ , $9 \times(7-3)=(9 \times 7)-(9 \times 3)$ , $3 \times(5 \times 7)=(3 \times 5) \times 7$ , $[-50+160]: 4 \times(-2)$ .

See Solution

Problem 1237

\$380000000 was divided among 8 people. What is each person's share rounded to the nearest \$10000?

See Solution

Problem 1238

Which expression for $y$ comes from the system: $5x - 8y = 17$ and $-8x - 3y = -43$ ?

See Solution

Problem 1239

Check if moments and forces are in equilibrium for a lever with a 30N pivot, 4N at 1m, and 7N at 3m.

See Solution

Problem 1240

Ibrahim dan Zahra datang ke mesjid setiap 4 dan 6 hari. Apakah mereka bersama lagi pada 12, 14, dan 26 Juli 2022?

See Solution

Problem 1241

Kelipatan persekutuan 6 dan 9 yang kurang dari 40 adalah $6, 12, 18, 24, 30, 36$ .

See Solution

Problem 1242

Find the roller reaction at point A of a symmetric fink roof truss with $s = 3m$ , $h = 1.5m$ , and a vertical load $P = 25kN$ .

See Solution

Problem 1243

Ibrahim dan Zahra datang bersama pada 2 Juli 2022. Kapan mereka akan bersama lagi? Tandai dengan $\sqrt{ }$ pilihanmu!
1. 12 Juli 2022
2. 14 Juli 2022
3. 26 Juli 2022
4. 7 Agustus 2022

See Solution

Problem 1244

Given forces $A=10.2 \mathrm{kN}, B=4.08 \mathrm{kN}, \theta=30^{\circ}$ , find angle $\beta$ and force $C$ for resultant $6.5 \mathrm{kN}$ .

See Solution

Problem 1245

12. Hitung $7-(-5)+(-2) \times 4=\ldots$
13. Temukan nilai $\sqrt[3]{64}-\sqrt{64}+\sqrt{36}$ adalah .............

See Solution

Problem 1246

Find the force $S$ (in kN) so that $P = 35$ kN, $Q = 45$ kN, and the resultant is $55$ kN to the right.

See Solution

Problem 1247

Di sebuah kota terdapat 300 bola plastik: 230 berwarna putih, 40 bola besar. Jumlah bola besar 80. Hitung bola kecil tidak kuning. A. 30

See Solution

Problem 1248

Calculate the cost of capital for Golden Fleece Financial using: debt \$300,000, yield 8\%, shares 10,000, price \$50, book value \$25, return 15\%.

See Solution

Problem 1249

What is the sum of the series $-2-3-4-5-\cdots-101$ ?

See Solution

Problem 1250

16. Dari 50 soal, Aminah jawab 48 dan dapat skor 100. Berapa soal yang dijawab benar jika skor benar 4, salah -2, tidak dijawab -1?
17. Aisyah menghitung jumlah halaman 98 halaman jadi 4.851, ada 1 halaman dihitung dua kali. Cari nomor halaman yang salah.

See Solution

Problem 1251

Federica ha 48 tulipani, 32 rose e 24 ciclamini. Quanti fiori ci sono in ogni mazzetto se ne fa 8?

See Solution

Problem 1252

Analyze a lever with a pivot force of 30N. Left: 4N at 1m, 7N at 4m. Right: 7N at 3m. Determine:
a) Are moments in equilibrium? b) Are forces in equilibrium? c) Is the lever in equilibrium?

See Solution

Problem 1253

Una pasticceria ha 12 confezioni di 6 uova e già 23 uova. Quante uova ha in totale? Calcola $12 \times 6 + 23$ .

See Solution

Problem 1254

Calculate $17 \times 5 + 3$ .

See Solution

Problem 1255

Solve the equation $\frac{a}{6}=\frac{8}{3 a}$ .

See Solution

Problem 1256

Solve for $x$ in the equation $\frac{5 x}{18}=\frac{10}{x}$ .

See Solution

Problem 1257

Digite o número que falta na sequência: $1, 2, \square, 8, 16, 32$ .

See Solution

Problem 1258

Analyze how a student could mistakenly choose each incorrect answer for the system of equations: $x - 2y = 2$ and $2x + y = 9$ .

See Solution

Problem 1259

Solve for $b$ in the equation $\frac{4-b}{b}=\frac{9}{10}$ .

See Solution

Problem 1260

Simplify the expression $\left(2^{-1} \times 5^{-1}\right)^{-1} \div 4^{-1}$ .

See Solution

Problem 1261

Calculate $4\% + 8\%$ and set it equal to $\left(\frac{2}{3}\right)^{-1}$ . What is the value?

See Solution

Problem 1262

Evaluate: $\left\{[(-3) / 2]^{2}\right\}^{-3}$

See Solution

Problem 1263

Evaluate: $(-2 / 7)^{-4} \times(-5 / 7)^{2}$ , $(-1 / 4)^{-3} \times(-1 / 4)^{-2}$ , and $\left\{[(-3) / 2]^{2}\right\}^{-3}$ .

See Solution

Problem 1264

Solve for $n$ in the equation $\frac{n}{3-n}=\frac{2}{3}$ .

See Solution

Problem 1265

A bullet of mass $0.0025 \mathrm{~kg}$ penetrates a wooden block ( $0.15 \mathrm{~m}$ thick) with a resisting force of $7.5 \times 10^{3} \mathrm{~N}$ . Find its speed before hitting the block. Options: A. $450 \mathrm{~ms}^{-1}$ B. $400 \mathrm{~ms}^{-1}$ C. $300 \mathrm{~ms}^{-1}$ D. $250 \mathrm{~ms}^{-1}$

See Solution

Problem 1266

Calculate the acceleration of a $3.0 \mathrm{~kg}$ particle under a $21.0 \mathrm{~N}$ force with velocity-proportional resistance.

See Solution

Problem 1267

Solve the differential equation: $x y \, dx - (x+2) \, dy = 0$ .

See Solution

Problem 1268

Find the equivalent expression for $9^{\frac{3}{4}}$ from the options: A) $\sqrt[3]{9}$ B) $\sqrt[4]{9}$ C) $\sqrt{3}$ D) $3 \sqrt{3}$ .

See Solution

Problem 1269

A car with mass $800 \mathrm{~kg}$ traveling at $20 \mathrm{~ms}^{-1}$ sees a dog $50 \mathrm{~m}$ ahead. Can it stop?

See Solution

Problem 1270

Calculate $6 * 20$ .

See Solution

Problem 1271

A rectangle has a length of 4 times its width and an area of 16. Find its perimeter. A. 8 B. 10 C. 20 D. 32

See Solution

Problem 1272

What percent is $400\%$ of a positive number $a$ of $400a$ ? A. 0.1 B. 1 C. 10 D. 100

See Solution

Problem 1273

What is the market price of ¥ 2,000 stocks for 98 shares?

See Solution

Problem 1274

Niel earned a commission of \$30,000 on a sale of ¥100,000. What is his commission rate?

See Solution

Problem 1275

How many of the 28 tiles does Jenaro need to paint black if $\frac{1}{4}$ must be black?

See Solution

Problem 1276

Glan Macapuno has 50 bonds worth $¥ 1,500.00$ each at $3.49\%$ interest. What is his annual income from them?

See Solution

Problem 1277

Find the sum of the perimeters of the four triangles formed by the diagonals of square $A B C D$ . Choices: A. $2+2 \sqrt{2}$ B. $8+4 \sqrt{2}$ C. $8+8 \sqrt{2}$ D. 16

See Solution

Problem 1278

Find the value of $x$ where the function $f(x)=(x-10)(x+13)$ reaches its minimum. A. -130 B. -13 C. $-\frac{23}{2}$ D. $-\frac{3}{2}$

See Solution

Problem 1279

Ms. Mhurn Talagon bought 50 ACTS bonds. What is her total investment if the commission is \$155.00?

See Solution

Problem 1280

Find the present value of $A=$ P 26,251 with an interest rate of $i=8\%$ over $n=13$ periods.

See Solution

Problem 1281

In Midas Corporation, with 95 shares at a selling price of \$170 and total expenses of \$780, find the net proceeds.

See Solution

Problem 1282

Calculate $6 \times Rm\ 910 \div 4$ .

See Solution

Problem 1283

Намерете корена на уравнението $|3^{2}-2^{4}|-x=|5 \frac{1}{3}-5 \frac{5}{6}|$ . Изберете от A) $-7 \frac{1}{6}$ , Б) $-6 \frac{5}{6}$ , B) $6 \frac{1}{2}$ , Г) $7 \frac{1}{6}$ .

See Solution

Problem 1284

Намери $x$ от уравнението $\left|3^{2}-2^{4}\right|-x=\left|5 \frac{1}{3}-5 \frac{5}{6}\right|$ .

See Solution

Problem 1285

Ако $\frac{0,024 \cdot 0,001}{0,04 \cdot 6}=x \cdot 10^{y}$ , намерете $x+y$ .

See Solution

Problem 1286

Solve the equations: $3x - 9 = 4x + 5$ , $3 - 9 = 4x + 5$ , $3x = 4x + 7 + 3$ .

See Solution

Problem 1287

Sergio tiene 4 cajas con 4 filas y 4 jarras por fila. ¿Cuántas jarras hay en total? $4 \times 4 \times 4$

See Solution

Problem 1288

Find 'a' and 'b' in these expressions:
1) $\frac{\sqrt{3}}{3}: \frac{3}{\sqrt{a}}: \frac{1}{\sqrt{1}}$
2) $b-\sqrt{5}=\frac{\sqrt{18}}{\sqrt{2}}-\frac{5}{\sqrt{5}}$

See Solution

Problem 1289

Calculate $\frac{\left(5\left(\frac{1}{2}\right)^{2}+\frac{9 \frac{3}{4}}{3}-8\left(\frac{1}{4}\right)^{2}\right)^{2}}{3^{-1}}$ .

See Solution

Problem 1290

Съществува десетоъгълна призма с периметър на основата $30 \mathrm{~cm}$ и околен ръб $8 \mathrm{~cm}$ . Намерете сбора на ръбовете в см.

See Solution

Problem 1291

Calculate the expression: $\left(5\left(\frac{1}{2}\right)^{2}+\frac{9 \frac{3}{4}}{3}-8\left(\frac{1}{4}\right)^{2}\right)^{\frac{1}{2}}$

See Solution

Problem 1292

Una finca rectangular de 187 m de largo y 87 m de ancho necesita cercarse. ¿Cuántos rollos de 200 m se requieren y su costo total?

See Solution

Problem 1293

Calculate the expression: $-3 \cdot[8+4 \cdot(-2-5)]$

See Solution

Problem 1294

Calculate $\left(-\frac{3}{5}-\frac{4}{5}\right) \div \frac{14}{25}$ .

See Solution

Problem 1295

Il perimetro di un rettangolo è $51,8 \mathrm{~cm}$ e la lunghezza è $16,4 \mathrm{~cm}$ . Qual è la larghezza? R: 9,5 cm

See Solution

Problem 1296

Solve the equation: $1 - 2x = 0$ .

See Solution

Problem 1297

Calcola il perimetro di un rombo con lato $10,5 \mathrm{~cm}$ e il perimetro di un parallelogramo con lati $160 \mathrm{~cm}$ e $13,9 \mathrm{~dm}$ .

See Solution

Problem 1298

Calculate the expression $(-7+4)-[(-9+2)-(4-3)]$ .

See Solution

Problem 1299

Solve the equation: $-1 - 2x = 0$ .

See Solution

Problem 1300

Calculate the expression $(-1-3) \cdot[(-7) \cdot(-9)+8 \cdot(3-9)]$ .

See Solution

1 ...10 11 12 13 14 15 16 ...28

Natural Numbers

Problem 1201

Identify the property shown: BK+KF=KE+FK BK + KF = KE + FK BK+KF=KE+FK (options: multiplication, transitive, subtraction, reflexive, none).

Problem 1202

A mud house has a cone roof over a cylinder. Given dimensions, find AB A B AB, volume, surface area, and house choice.

Problem 1203

A lens creates a real image 249 cm 249 \mathrm{~cm} 249 cm from the object and 123 1 \frac{2}{3} 132​ times its size. Find the focal length.

Problem 1204

Find the focal length of a lens given an object height of 3.25 cm, distance to image 6 cm, and distance to lens 16 cm.

Problem 1205

Calculate the sum: 500+300+200 500 + 300 + 200 500+300+200.

Problem 1206

Calculate the value of 85:14−3⋅814\frac{8}{5} : \frac{14}{-3} \cdot \frac{8}{14}58​:−314​⋅148​.

Problem 1207

Draw a Venn diagram for 400 Grade 7 students: 200 play ML only, 85 play COD only, and 50 play neither.

Problem 1208

Expand the expression (x−5)(x+2)(x-5)(x+2)(x−5)(x+2).

Problem 1209

Lulu had twice as many red buttons as green. After giving away 13\frac{1}{3}31​ red and 45\frac{4}{5}54​ green, she had 368 left. How many did she start with?

Problem 1210

Represent the swim meet results of Danny, John, Kenny, and Sean in a matrix format based on their placements.

Problem 1211

Solve the quadratic equation 12x2−25x=012x^{2} - 25x = 012x2−25x=0.

Problem 1212

Solve the equation: x2−16x+61=2x−20x^{2}-16 x+61=2 x-20x2−16x+61=2x−20.

Problem 1213

In a survey of 400 Grade 7 students, find how many play both ML \mathrm{ML} ML and COD \mathrm{COD} COD using a Venn diagram.

Problem 1214

Convert the following Roman numerals to Arabic numerals: III, VII, XIV, XVI, XIX, XXI, XXIX, XXXV, XLIII, XLVII, LII, LIX.

Problem 1215

Calculate −35:(0.25−36):423-\frac{3}{5}:(0.25-\frac{3}{6}): 4 \frac{2}{3}−53​:(0.25−63​):432​.

Problem 1216

Find the volume of a cuboid with face areas 35 cm235 \mathrm{~cm}^{2}35 cm2, 42 cm242 \mathrm{~cm}^{2}42 cm2, and 14 cm214 \mathrm{~cm}^{2}14 cm2.

Problem 1217

Solve the equation x4−2x3−3x2=0x^{4}-2 x^{3}-3 x^{2}=0x4−2x3−3x2=0.

Problem 1218

Find the ball's instantaneous velocity at t=10.0t=10.0t=10.0 s given its position x(t)=0.000015t5−0.004t3+0.4tx(t)=0.000015 t^5 - 0.004 t^3 + 0.4 tx(t)=0.000015t5−0.004t3+0.4t.

Problem 1219

Problem 1220

Solve for xxx in the equation 2+3=x2 + 3 = x2+3=x.

Problem 1221

Solve the equation: 4zz+1+5z=6z+5z2+2\frac{4 z}{z+1}+\frac{5}{z}=\frac{6 z+5}{z^{2}+2}z+14z​+z5​=z2+26z+5​.

Problem 1222

Karan borrowed \$3,650 for 5 months at 10% interest. What is her monthly payment amount?

Problem 1223

Find the limit: lim⁡x→πcos⁡x+sin⁡(2x)+1x2−π2\lim _{x \rightarrow \pi} \frac{\cos x+\sin (2 x)+1}{x^{2}-\pi^{2}}limx→π​x2−π2cosx+sin(2x)+1​. What is it?

Problem 1224

Identify the function: y=−16xy=-16xy=−16x. Is it a step, constant, absolute value, or direct variation function?

Problem 1225

What is the difference between 20,400,000 and 2,400,000? Round the answer to the nearest hundred thousand.

Problem 1226

Find the difference between 20,400,000 and 2,400,000, then round to the nearest hundred thousand.

Problem 1227

How many cans of Coke are left after selling 862,456 from 2,564,546? Round to the nearest ten thousand.

Problem 1228

Identify the property shown in 3x(y+2)=(y+2)3x3 x(y+2)=(y+2) 3 x3x(y+2)=(y+2)3x: distributive, identity, commutative, or associative?

Problem 1229

Medina dan Adi bermain catur. Medina menang 3 kali dan draw 2 kali. Apakah pernyataan berikut benar atau salah? 1. Skor Adi = 212. Skor Medina = 443. Total skor = 52

Problem 1230

Calculate the total of sales volumes: 2,525 million, 4,716 million, 7,241 million, and 9,096 million.

Problem 1231

Medina menang 3 kali dan draw 2 kali. Cek kebenaran pernyataan: Skor Adi 21, Skor Medina 44, Total skor 52.

Problem 1232

Divide \$380000000 by 8 and round to the nearest ten thousand. What is the amount each person receives?

Problem 1233

Calculate the inductance and capacitance per phase of a 40 km overhead line with copper conductors (1.5 cm diameter) in two spacings: 75 cm flat and triangular sides 70 cm, 90 cm, 110 cm.

Problem 1234

Suhu udara pada ketinggian 3.600 m3.600 \mathrm{~m}3.600 m jika suhu permukaan laut 27∘C27^{\circ} \mathrm{C}27∘C dan turun 0,5∘C0,5^{\circ} \mathrm{C}0,5∘C setiap 45 m.

Problem 1235

Find series turns per pole for a compound generator to keep V=618 VV = 618 \mathrm{~V}V=618 V with loads of 4 A4 \mathrm{~A}4 A and 5.5 A5.5 \mathrm{~A}5.5 A. Shunt turns: 2700.

Problem 1236

Problem 1237

\$380000000 was divided among 8 people. What is each person's share rounded to the nearest \$10000?

Problem 1238

Which expression for yyy comes from the system: 5x−8y=175x - 8y = 175x−8y=17 and −8x−3y=−43-8x - 3y = -43−8x−3y=−43?

Problem 1239

Check if moments and forces are in equilibrium for a lever with a 30N pivot, 4N at 1m, and 7N at 3m.

Problem 1240

Ibrahim dan Zahra datang ke mesjid setiap 4 dan 6 hari. Apakah mereka bersama lagi pada 12, 14, dan 26 Juli 2022?

Problem 1241

Identify the property shown: $BK + KF = KE + FK$ (options: multiplication, transitive, subtraction, reflexive, none).

A mud house has a cone roof over a cylinder. Given dimensions, find $A B$ , volume, surface area, and house choice.

A lens creates a real image $249 \mathrm{~cm}$ from the object and $1 \frac{2}{3}$ times its size. Find the focal length.

Calculate the sum: $500 + 300 + 200$ .

Calculate the value of $\frac{8}{5} : \frac{14}{-3} \cdot \frac{8}{14}$ .

Expand the expression $(x-5)(x+2)$ .

Lulu had twice as many red buttons as green. After giving away $\frac{1}{3}$ red and $\frac{4}{5}$ green, she had 368 left. How many did she start with?

Solve the quadratic equation $12x^{2} - 25x = 0$ .

Solve the equation: $x^{2}-16 x+61=2 x-20$ .

In a survey of 400 Grade 7 students, find how many play both $\mathrm{ML}$ and $\mathrm{COD}$ using a Venn diagram.

Calculate $-\frac{3}{5}:(0.25-\frac{3}{6}): 4 \frac{2}{3}$ .

Find the volume of a cuboid with face areas $35 \mathrm{~cm}^{2}$ , $42 \mathrm{~cm}^{2}$ , and $14 \mathrm{~cm}^{2}$ .

Solve the equation $x^{4}-2 x^{3}-3 x^{2}=0$ .

Find the ball's instantaneous velocity at $t=10.0$ s given its position $x(t)=0.000015 t^5 - 0.004 t^3 + 0.4 t$ .

Solve for $x$ in the equation $2 + 3 = x$ .

Solve the equation: $\frac{4 z}{z+1}+\frac{5}{z}=\frac{6 z+5}{z^{2}+2}$ .

Find the limit: $\lim _{x \rightarrow \pi} \frac{\cos x+\sin (2 x)+1}{x^{2}-\pi^{2}}$ . What is it?

Identify the function: $y=-16x$ . Is it a step, constant, absolute value, or direct variation function?

Identify the property shown in $3 x(y+2)=(y+2) 3 x$ : distributive, identity, commutative, or associative?

Medina dan Adi bermain catur. Medina menang 3 kali dan draw 2 kali. Apakah pernyataan berikut benar atau salah?
1. Skor Adi = 21
2. Skor Medina = 44
3. Total skor = 52

Suhu udara pada ketinggian $3.600 \mathrm{~m}$ jika suhu permukaan laut $27^{\circ} \mathrm{C}$ dan turun $0,5^{\circ} \mathrm{C}$ setiap 45 m.

Find series turns per pole for a compound generator to keep $V = 618 \mathrm{~V}$ with loads of $4 \mathrm{~A}$ and $5.5 \mathrm{~A}$ . Shunt turns: 2700.

Which expression for $y$ comes from the system: $5x - 8y = 17$ and $-8x - 3y = -43$ ?

Kelipatan persekutuan 6 dan 9 yang kurang dari 40 adalah $6, 12, 18, 24, 30, 36$ .

Find the roller reaction at point A of a symmetric fink roof truss with $s = 3m$ , $h = 1.5m$ , and a vertical load $P = 25kN$ .

Ibrahim dan Zahra datang bersama pada 2 Juli 2022. Kapan mereka akan bersama lagi? Tandai dengan $\sqrt{ }$ pilihanmu!
1. 12 Juli 2022
2. 14 Juli 2022
3. 26 Juli 2022
4. 7 Agustus 2022

Given forces $A=10.2 \mathrm{kN}, B=4.08 \mathrm{kN}, \theta=30^{\circ}$ , find angle $\beta$ and force $C$ for resultant $6.5 \mathrm{kN}$ .

12. Hitung $7-(-5)+(-2) \times 4=\ldots$
13. Temukan nilai $\sqrt[3]{64}-\sqrt{64}+\sqrt{36}$ adalah .............

Find the force $S$ (in kN) so that $P = 35$ kN, $Q = 45$ kN, and the resultant is $55$ kN to the right.

What is the sum of the series $-2-3-4-5-\cdots-101$ ?

16. Dari 50 soal, Aminah jawab 48 dan dapat skor 100. Berapa soal yang dijawab benar jika skor benar 4, salah -2, tidak dijawab -1?
17. Aisyah menghitung jumlah halaman 98 halaman jadi 4.851, ada 1 halaman dihitung dua kali. Cari nomor halaman yang salah.

Analyze a lever with a pivot force of 30N. Left: 4N at 1m, 7N at 4m. Right: 7N at 3m. Determine:
a) Are moments in equilibrium? b) Are forces in equilibrium? c) Is the lever in equilibrium?

Una pasticceria ha 12 confezioni di 6 uova e già 23 uova. Quante uova ha in totale? Calcola $12 \times 6 + 23$ .

Calculate $17 \times 5 + 3$ .

Solve the equation $\frac{a}{6}=\frac{8}{3 a}$ .

Solve for $x$ in the equation $\frac{5 x}{18}=\frac{10}{x}$ .

Digite o número que falta na sequência: $1, 2, \square, 8, 16, 32$ .

Analyze how a student could mistakenly choose each incorrect answer for the system of equations: $x - 2y = 2$ and $2x + y = 9$ .

Solve for $b$ in the equation $\frac{4-b}{b}=\frac{9}{10}$ .

Simplify the expression $\left(2^{-1} \times 5^{-1}\right)^{-1} \div 4^{-1}$ .

Calculate $4\% + 8\%$ and set it equal to $\left(\frac{2}{3}\right)^{-1}$ . What is the value?

Evaluate: $\left\{[(-3) / 2]^{2}\right\}^{-3}$

Evaluate: $(-2 / 7)^{-4} \times(-5 / 7)^{2}$ , $(-1 / 4)^{-3} \times(-1 / 4)^{-2}$ , and $\left\{[(-3) / 2]^{2}\right\}^{-3}$ .

Solve for $n$ in the equation $\frac{n}{3-n}=\frac{2}{3}$ .

Calculate the acceleration of a $3.0 \mathrm{~kg}$ particle under a $21.0 \mathrm{~N}$ force with velocity-proportional resistance.

Solve the differential equation: $x y \, dx - (x+2) \, dy = 0$ .

Find the equivalent expression for $9^{\frac{3}{4}}$ from the options: A) $\sqrt[3]{9}$ B) $\sqrt[4]{9}$ C) $\sqrt{3}$ D) $3 \sqrt{3}$ .

A car with mass $800 \mathrm{~kg}$ traveling at $20 \mathrm{~ms}^{-1}$ sees a dog $50 \mathrm{~m}$ ahead. Can it stop?

Calculate $6 * 20$ .

What percent is $400\%$ of a positive number $a$ of $400a$ ? A. 0.1 B. 1 C. 10 D. 100