Math

Problem 55301

The tables show functions representing the growth of two types of bacteria on certain days within an experiment that lasted a total of 10 days.
Bacteria A \begin{tabular}{|l|c|c|c|c|} \hline Time (days) & 0 & 2 & 4 & 6 \\ \hline Bacteria Count & 60 & 240 & 960 & 3,840 \\ \hline \end{tabular}
Bacteria B \begin{tabular}{|l|c|c|c|c|} \hline Time (days) & 0 & 1 & 3 & 5 \\ \hline Bacteria Count & 90 & 180 & 720 & 2,880 \\ \hline \end{tabular}
How do the functions in the table compare? Since xx-intercepts indicate the amount of each bacteria at the start of the experiment, there was more of bacteria B than bacteria A at the start. Since yy-intercepts indicate the amount of each bacteria at the start of the experiment, there was more of bacteria B than bacteria A at the start. Since the maximum value in the table for bacteria AA is greater than the maximum value in the table for bacteria B , bacteria A has a faster growth rate than bacteria B . Since the minimum value in the table for bacteria AA is less than the minimum value in the table for bacteria BB, bacteria AA has a slower growth rate than bacteria B .

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Problem 55302

Rewrite the mixed number 4124 \frac{1}{2} as an equivalent fraction with a denominator equal to 12. 412=?12412=12\begin{array}{c} 4 \frac{1}{2}=\frac{?}{12} \\ 4 \frac{1}{2}=\frac{\square}{12} \end{array}

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Problem 55303

Expand and combine 3(3x4a1)a(2y+5x)-3(3 x-4 a 1)-a(2 y+5 x)

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Problem 55304

Find the exact value of sin(10π3)\sin \left(\frac{10 \pi}{3}\right). What quadrant is θ=10π3\theta=\frac{10 \pi}{3} in? Reference angle? θR=\theta_{\mathrm{R}}=

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Problem 55305

Find csc(8π3)\csc \left(\frac{8 \pi}{3}\right) and identify the quadrant of θ=8π3\theta=\frac{8 \pi}{3}.

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Problem 55306

Find csc(8π3)\csc \left(\frac{8 \pi}{3}\right) without a calculator. Where's the angle's quadrant? What's the reference angle? Choose the equivalent expression.

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Problem 55307

Find the value of csc(8π3)\csc \left(\frac{8 \pi}{3}\right) without a calculator. What quadrant is θ=8π3\theta=\frac{8 \pi}{3} in? What is the reference angle? θR=\theta_{\mathrm{R}}=

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Problem 55308

The cosecant function is positive here. Find the reference angle: θR=π3\theta_{\mathrm{R}}=\frac{\pi}{3}. Which is csc(8π3)\csc \left(\frac{8 \pi}{3}\right)? Options: A. csc(π3)\csc \left(\frac{\pi}{3}\right), B. csc(π6)\csc \left(\frac{\pi}{6}\right), C. csc(π6)-\csc \left(\frac{\pi}{6}\right), D. csc(π3)-\csc \left(\frac{\pi}{3}\right). What is csc(8π3)\csc \left(\frac{8 \pi}{3}\right)?

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Problem 55309

The angle θ=17π6\theta=-\frac{17 \pi}{6} is in which quadrant?

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Problem 55310

Count the number of zoos with more than 50 bears from the stem-and-leaf plot given.

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Problem 55311

Count the zoos with more than 18 sloths from the given stem-and-leaf plot.

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Problem 55312

How many zoos have exactly 27 tigers based on the stem-and-leaf plot? Key: 27=272 \mid 7 = 27 tigers.

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Problem 55313

Find the value of tan(19π6)\tan \left(-\frac{19 \pi}{6}\right).
(a) Which quadrant is θ=19π6\theta=-\frac{19 \pi}{6} in? (b) Is tangent positive or negative there? (c) What is the reference angle θR=\theta_{R}=?

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Problem 55314

What is the maximum number of pairs of glasses from the stemand-leaf plot: 41=414 \mid 1=41?

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Problem 55315

Find the exact value of cot(17π6)\cot \left(-\frac{17 \pi}{6}\right) and answer: a. Which quadrant is θ\theta in? b. Is cotangent positive or negative there?

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Problem 55316

The terminal side of the angle θ=11π4\theta=-\frac{11 \pi}{4} lies in which quadrant?

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Problem 55317

How many stores have less than 60 pairs of boots based on the stem-and-leaf plot provided?

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Problem 55318

Find cot(17π6)\cot \left(-\frac{17 \pi}{6}\right) without a calculator. Determine the quadrant, sign, and reference angle.

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Problem 55319

How many stores have fewer than 60 pairs of boots based on the stem-and-leaf plot?

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Problem 55320

Find the exact value of sec(11π4)\sec \left(-\frac{11 \pi}{4}\right) without a calculator. What quadrant is it in and is secant positive or negative?

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Problem 55321

Find the value of sec(11π4)\sec \left(-\frac{11 \pi}{4}\right). Determine the quadrant, sign, and reference angle θR=\theta_{\mathrm{R}}=.

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Problem 55322

Find sec (11π4)\left(-\frac{11 \pi}{4}\right), determine the reference angle θR=π4\theta_{\mathrm{R}}=\frac{\pi}{4}, and choose the correct expression.

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Problem 55323

Find f(x)f^{\prime}(x) using the Fundamental Theorem of Calculus for f(x)=4x3t2+9dtf(x)=\int_{-4}^{x^{3}} \sqrt{t^{2}+9} dt.

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Problem 55324

Find tan(11π6)\tan \left(\frac{11 \pi}{6}\right) exactly without a calculator. A. tan(11π6)=\tan \left(\frac{11 \pi}{6}\right)= B. Undefined.

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Problem 55325

Find sec(11π4)\sec \left(-\frac{11 \pi}{4}\right) and answer: (d) which is equivalent? (e) Find its exact value.

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Problem 55326

Calculate the percentage difference: 3.53.141593.14159×100\frac{3.5-3.14159}{3.14159} \times 100.

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Problem 55327

Determine the interval(s) where the curve y=0xt2t23t+5dty=\int_{0}^{x} \frac{t^{2}}{t^{2}-3 t+5} d t is concave upward.

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Problem 55328

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

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Problem 55329

Find a function ff and a number aa such that 2+axf(t)t5dt=6x12+\int_{a}^{x} \frac{f(t)}{t^{5}} dt=6 x^{-1}. What is f(x)f(x)?

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Problem 55330

Find the value of tan(5π6)\tan \left(-\frac{5 \pi}{6}\right) without a calculator. A. tan(5π6)=\tan \left(-\frac{5 \pi}{6}\right)= B. Undefined.

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Problem 55331

Calculate the integral 319(7x11)dx\int_{3}^{19}(7-|x-11|) d x using area formulas.

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Problem 55332

Evaluate the integral from 9 to 15 of (4x+5)-(4x + 5) using area formulas. What is 915((4x+5))dx\int_{9}^{15}(-(4x+5)) dx?

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Problem 55333

Estimate the integrals using Riemann sums: (a) left-endpoint 010f(x)dx\int_{0}^{10} f(x) dx \approx and (b) right-endpoint 010f(x)dx\int_{0}^{10} f(x) dx \approx.

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Problem 55334

Find a function ff and a number aa such that 2+axf(t)t5dt=6x12 + \int_{a}^{x} \frac{f(t)}{t^{5}} dt = 6 x^{-1}.

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Problem 55335

Use the table of the increasing function ff to find lower and upper estimates for 025f(x)dx\int_{0}^{25} f(x) dx. Lower estimate = , Upper estimate = .

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Problem 55336

Find the hypotenuse of a right triangle with sides 24 and 7 using the Pythagorean theorem: c2=242+72c^2 = 24^2 + 7^2.

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Problem 55337

Compute the following integrals using given values:
(a) 044f(x)dx=\int_{0}^{4} 4 f(x) d x= (b) 04(1f(x)3g(x))dx=\int_{0}^{4}(-1 f(x)-3 g(x)) d x= (c) 04(35h(x))dx=\int_{0}^{4}(3-5 h(x)) d x=

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Problem 55338

Given the integrals:
1. 26f(x)dx=10\int_{2}^{6} f(x) dx = -10, 68f(x)dx=10\int_{6}^{8} f(x) dx = -10
2. 26g(x)dx=4\int_{2}^{6} g(x) dx = -4, 68g(x)dx=4\int_{6}^{8} g(x) dx = 4

Find:
(a) 28(f(x)+g(x))dx=\int_{2}^{8}(f(x)+g(x)) dx= (number)
(b) 28(f(x)g(x))dx=\int_{2}^{8}(f(x)-g(x)) dx= (number)
(c) 28(7f(x)3g(x))dx=\int_{2}^{8}(7 f(x)-3 g(x)) dx= (number)

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Problem 55339

Compute the integrals given:
(a) 044f(x)dx=62\int_{0}^{4} 4 f(x) d x = 62
(b) 04(1f(x)3g(x))dx=\int_{0}^{4}(-1 f(x)-3 g(x)) d x= ?

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Problem 55340

Find the average value favef_{\text{ave}} of f(x)=324xf(x)=32-|4x| from x=8x=-8 to x=8x=8 and points cc where f(c)=favef(c)=f_{\text{ave}}.

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Problem 55341

Find the average value fave f_{\text {ave }} of f(x)=324xf(x)=32-|4 x| for xx in the range [8,8][-8, 8]. What is fave f_{\text {ave }}?

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Problem 55342

Evaluate the integral from 3 to 19 of 7x117 - |x - 11| using area formulas. What is 319(7x11)dx\int_{3}^{19}(7 - |x - 11|) d x?

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Problem 55343

Boy scouts hike 5 miles in 2 hours. How long will it take to hike 10 miles at the same rate?

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Problem 55344

Find the exact value of cos(8π)\cos (8 \pi). Answer parts a, b, c, and d. a. Where is the terminal side of angle θ=8π\theta=8 \pi?

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Problem 55345

Given i=3117ai=30\sum_{i=3}^{117} a_{i}=30 and i=3117bi=18\sum_{i=3}^{117} b_{i}=18, find: (a) i=3117(ai+bi)\sum_{i=3}^{117}(a_{i}+b_{i}) and (b) i=3117(19ai10bi)\sum_{i=3}^{117}(19 a_{i}-10 b_{i}).

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Problem 55346

Find sin(9π2)\sin \left(-\frac{9 \pi}{2}\right) without a calculator.
a. Where is the angle's terminal side? b. Coordinates for r=1r=1? c. General definition of sinθ\sin \theta? d. Exact value of sin(9π2)\sin \left(-\frac{9 \pi}{2}\right)?

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Problem 55347

Karbis on 7 valget ja 2 musta küünalt. Leia tõenäosus:
a. mõlemad valged b. mõlemad mustad c. erinevat värvi d. üks punane e. ühte värvi.

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Problem 55348

Find the right endpoint Riemann sum for f(x)=15xf(x)=\frac{15}{x} on [2,6][2,6] using 8 rectangles of width 0.5. What is the sum?

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Problem 55349

Calculate the left endpoint Riemann sum for f(x)=15xf(x)=\frac{15}{x} over [2,6][2,6] using 8 rectangles of width 0.5.

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Problem 55350

Find cos(8π)\cos(8\pi) by answering: a) where is the angle? b) coordinates on terminal side? c) definition of cosθ\cos \theta?

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Problem 55351

Find cos(8π)\cos(8\pi) without a calculator: a. Where does θ=8π\theta=8\pi end? b. What are the coordinates for r=1r=1?

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Problem 55352

Find the reference angle for θ=29π11\theta=\frac{29 \pi}{11} and the least nonnegative coterminal angle. θC=\theta_{\mathrm{C}}=

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Problem 55353

Calculate the left endpoint Riemann sum for f(x)=x212f(x)=\frac{x^{2}}{12} on [2,6][2,6] and explain why it's an underestimate.

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Problem 55354

Find secθ\sec \theta given tanθ=13\tan \theta=\frac{1}{3} and cscθ<0\csc \theta<0. Simplify your answer.

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Problem 55355

Find sinθ\sin \theta given secθ=43\sec \theta=\frac{4}{3} and tanθ>0\tan \theta>0. What is sinθ\sin \theta?

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Problem 55356

Find the reference angle for θ=26π7\theta=-\frac{26 \pi}{7} and the least nonnegative coterminal angle. θC=\theta_{\mathrm{C}}=

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Problem 55357

Find the reference angle for θ=29π11\theta=\frac{29 \pi}{11} and the coterminal angle θC=7π11\theta_{C}=\frac{7 \pi}{11}. What is θR\theta_{R}?

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Problem 55358

Find the reference angle for θ=26π7\theta = -\frac{26 \pi}{7}. What is the least nonnegative coterminal angle θC\theta_{C}? In which quadrant is θC\theta_{C}?

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Problem 55359

Find the indefinite integral: 1(x1)(x+3)dx=2+C\int \frac{1}{(x-1)(x+3)} dx = \sqrt{2} + C.

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Problem 55360

Find the reference angle for θ=29π11\theta=\frac{29 \pi}{11} and the coterminal angle θC=7π11\theta_{C}=\frac{7 \pi}{11}. In which quadrant is θC\theta_{C}?

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Problem 55361

Evaluate the integral using partial fractions: 2(x6)2(x+6)dx=C\int -\frac{2}{(x-6)^{2}(x+6)} \, dx = C

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Problem 55362

Evaluate the expression: 1181x6dx+11081(x6)2dx12161x+6dx-\frac{1}{18} \int \frac{1}{x-6} dx + \frac{1}{108} \int \frac{1}{(x-6)^{2}} dx - \frac{1}{216} \int \frac{1}{x+6} dx.

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Problem 55363

Find the expression to calculate the total height of two towers: 89100\frac{89}{100} m and 710\frac{7}{10} m. Choose 1 answer: (A) 89100+7100\frac{89}{100}+\frac{7}{100} (B) 8910+710\frac{89}{10}+\frac{7}{10} (C) 89100+70100\frac{89}{100}+\frac{70}{100} (D) 89070890 \quad 70

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Problem 55364

Evaluate the integral: 7x+25(7x)(x2+25)dx=\int \frac{7 x+25}{(7-x)\left(x^{2}+25\right)} d x=

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Problem 55365

How much longer is Fluffy's tail (1131 \frac{1}{3} m) than Fireball's tail (1141 \frac{1}{4} m)?

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Problem 55366

Find the reference angle for θ=26π7\theta=-\frac{26 \pi}{7}. What is θC\theta_{C} and the reference angle θR\theta_{R}?

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Problem 55367

Calculate the result of 3423\frac{3}{4} - \frac{2}{3}.

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Problem 55368

Laual on 4 kahvlit ja 5 nuga. Jaan võtab 4 eset. Arvuta tõenäosus, et seal on vähemalt 2 kahvlit.

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Problem 55369

Calculate the value of 2316=\frac{2}{3} - \frac{1}{6} = \square

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Problem 55370

Our pirate ship had 56\frac{5}{6} of a chest of gold and took 38\frac{3}{8} more. How many chests do we have now?

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Problem 55371

Find AA in the equation: A=4(3)43(3)31(3)210(3)4(32+1)2A=\frac{4(3)^{4}-3(3)^{3}-1(3)^{2}-10(3)-4}{(3^{2}+1)^{2}}.

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Problem 55372

Noor had 57\frac{5}{7} L of coconut milk and used 12\frac{1}{2} L. How much is left? Identify the correct number line.

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Problem 55373

Find the distance dd traveled by a particle with velocity v(t)=7t2t2+1v(t)=\frac{7 t^{2}}{t^{2}+1} after t=3t=3 sec.

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Problem 55374

Find coefficients A, B, C, D, and E for the partial fraction expansion of
4x43x31x210x4(x3)(x2+1)2=Ax3+Bx+Cx2+1+Dx+E(x2+1)2.\frac{4 x^{4}-3 x^{3}-1 x^{2}-10 x-4}{(x-3)(x^{2}+1)^{2}} = \frac{A}{x-3}+\frac{B x+C}{x^{2}+1}+\frac{D x+E}{(x^{2}+1)^{2}}.

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Problem 55375

Find the remainder when 87 is divided by 17. What is 87÷1787 \div 17 remainder?

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Problem 55376

Find cos(2π3)\cos \left(-\frac{2 \pi}{3}\right). Which quadrant is the angle θ=2π3\theta=-\frac{2 \pi}{3} in?

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Problem 55377

Calculate the product of 12 and 0.75: 12×0.7512 \times 0.75.

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Problem 55378

Find the coefficients A, B, C, D, and E for the partial fraction expansion of 4x43x31x210x4(x3)(x2+1)2\frac{4 x^{4}-3 x^{3}-1 x^{2}-10 x-4}{(x-3)(x^{2}+1)^{2}}.

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Problem 55379

Find the exact value of cos(2π3)\cos \left(-\frac{2 \pi}{3}\right). In which quadrant is this angle, and is cosine positive or negative there?

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Problem 55380

Find csc(5π6)\csc \left(\frac{5 \pi}{6}\right) without a calculator. Reference angle is θR=π6\theta_{\mathrm{R}}=\frac{\pi}{6}. Which is equivalent: A, B, C, or D?

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Problem 55381

A rumor spreads in a school. Given y(t)=ky(1y)y^{\prime}(t)=k y(1-y), find when 90%90\% of 1000 students hear it.

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Problem 55382

Find the value of \square in the equation 300÷=30300 \div \square=30.

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Problem 55383

Solve the logistic equation dydx=5y(1y10)\frac{d y}{d x}=5 y\left(1-\frac{y}{10}\right) for yy and find y(0)=6y(0)=6.

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Problem 55384

Draw an arc from vertex BB that intersects both sides of B\angle B. Label the intersections as points AA and CC.

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Problem 55385

Find the remainder when 945 is divided by 35. What is 945÷35945 \div 35?

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Problem 55386

Which option shows the correct multiplication of 409×7409 \times 7 using the standard algorithm? Choose A, B, or C.

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Problem 55387

Find the equation of the line through the points (0,4)(0,-4) and (5,4)(5,-4).

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Problem 55388

Calculate the value of 1.4374\frac{1.4}{374}.

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Problem 55389

Solve the equation: 2(4x7)=102(4x - 7) = 10.

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Problem 55390

Construct F\angle F so that mF=2mBm \angle F=2 m \angle B. Complete the steps to find point FF.

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Problem 55391

Find the value of cot(15π4)\cot \left(\frac{15 \pi}{4}\right).
a) Which quadrant is θ=15π4\theta=\frac{15 \pi}{4} in? b) Is cotangent negative here? c) What is the reference angle? d) Which expression equals cot(15π4)\cot \left(\frac{15 \pi}{4}\right)? A. cot(π4)-\cot \left(\frac{\pi}{4}\right) B. cot(π3)\cot \left(\frac{\pi}{3}\right) C. cot(π4)\cot \left(\frac{\pi}{4}\right) D. cot(π3)-\cot \left(\frac{\pi}{3}\right)

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Problem 55392

Evaluate (5.38×105)÷(2×102)\left(5.38 \times 10^{5}\right) \div\left(2 \times 10^{-2}\right) and express your answer in scientific notation.

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Problem 55393

Find sin(3π4)\sin \left(\frac{3 \pi}{4}\right) exactly without a calculator. A. sin(3π4)=\sin \left(\frac{3 \pi}{4}\right)= B. Undefined.

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Problem 55394

What is the weight of a phone that weighs 0.068125 pounds, rounded to the nearest hundredth in scientific notation?

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Problem 55395

Find the exact value of cos(13π4)\cos \left(\frac{13 \pi}{4}\right) without a calculator. A. cos(13π4)=\cos \left(\frac{13 \pi}{4}\right)= B. Undefined.

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Problem 55396

Factor y=x27x+12y=x^{2}-7 x+12 into the form y=(xh)(xk)y=(x-h)(x-k).

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Problem 55397

Find sin(13π4)\sin \left(-\frac{13 \pi}{4}\right) and determine which expression is equivalent to sin(14)\sin \left(-\frac{1}{4}\right).

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Problem 55398

Find sin(13π4)\sin \left(-\frac{13 \pi}{4}\right), reference angle θR=π4\theta_{\mathrm{R}}=\frac{\pi}{4}, and its equivalent expression (A-D).

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Problem 55399

Find tan(11π3)\tan \left(-\frac{11 \pi}{3}\right) exactly without a calculator. Simplify your answer or state if it's undefined.

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Problem 55400

Solve the equation: 8=(x+4)-8=-(x+4).

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