Math Statement

Problem 201

Which equation is equivalent to 5x=ln85 x=\ln 8 ? e5x=e4e2e^{5 x}=e^{4} \cdot e^{2} 105x=810^{5 x}=8 e5x=8e^{5 x}=8 23x=32^{3 x}=3

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Problem 202

Find the yy-intercept and the slope of the line. y=12x+6y=-\frac{1}{2} x+6 yy-intercept: \square Undefined slope:

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Problem 203

Find the yy-intercept and the slope of the line. y=12y=\frac{1}{2} yy-intercept: \square Undefined slope:

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Problem 204

Which statement best describes the solution of the system of equations shown? 2xy=14x2y=2\begin{array}{c} 2 x-y=1 \\ 4 x-2 y=2 \end{array}
The system has no solutions.
The system has intinitely many solutions.
The system has exactly two solutions.
The system has exactly one solution.

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Problem 205

Which expression is not equal to the expression shown? 33×34÷343^{3} \times 3^{4} \div 3^{-4}

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Problem 206

Translate f(x)=2xf(x)=|2 x| down 3 units. f(x)=2x+3f(x)=|2 x|+3 f(x)=2x3f(x)=|2 x-3| f(x)=2x3f(x)=|2 x|-3 f(x)=2x+3f(x)=|2 x+3|

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Problem 207

x2+4xx2\sqrt{x^{2}+4 x}-x-2

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Problem 208

(ii) The direction ratios of a line are (6,2,3)(-6,2,3) and its direction cosines

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Problem 209

4. Given y=5e3x+sinxy=5 e^{3 x}+\sin x. Find dydx\frac{d y}{d x} a. 5e3x+cosx5 e^{3 x}+\cos x. b. 15edxdxcosx15 e^{\frac{d x}{d x}}-\cos x. c. 15e3x+cosx15 e^{3 x}+\cos x. d. 2.666e12cosx2.666 e^{12}-\cos x

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Problem 210

I Let f(x)=2x31x+73x22f(x)=\frac{2 x^{3}-1 x+7}{3 x^{2}-2}. Find f(3)f(3) a. 23\frac{2}{3} b. 1639\frac{16}{39} c. 3 d. 1n45\frac{1 n}{45}

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Problem 211

Zet 475 milliliter om in liter. \square liter

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Problem 212

12. The limx0sin(x)x=1\lim _{x \rightarrow 0} \frac{\sin (x)}{x}=1 a. True b. false

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Problem 213

Determine the slope and yy-intercept. y=3/2x+3\quad y=3 / 2 x+3

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Problem 214

1. limxcf(x)=f(c)\lim _{x \rightarrow c} f(x)=f(c) II. f(c)f(c) is defined
III limxcf(x)\lim _{x \rightarrow c} f(x) must exist a. True b. false

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Problem 215

If p18=3p-18=3, what is the value of p?p ?

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Problem 216

1. 47%47 \% of 7070 \approx Shere your werk.
4. 65%65 \% of 152152 \approx \qquad
7. 224%224 \% of 320320 \approx \qquad
2. 39%39 \% of 120120 \approx \qquad
13. 21%21 \% of 9090 \approx \qquad
5. 72%72 \% of 238238 \approx \qquad
6. 132%132 \% of 5454 \approx \qquad
8. 34%\frac{3}{4} \% of 168168 \approx \qquad
9. 0.4%0.4 \% of 510510 \approx \qquad

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Problem 217

Given a circle with center (8,2)(8,2) and radius r=8r=8, write its equation in standard form. (x8)2+(y2)2=(x-8)^{2}+(y-2)^{2}= 6464 \sqrt{ } \square

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Problem 218

Let (3,2)(-3,-2) be a point on the terminal side of θ\theta. Find the exact values of sinθ,secθ\sin \theta, \sec \theta, and tanθ\tan \theta. \square

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Problem 219

If 2x3x+5=4\frac{2 x}{3 x+5}=4, what is the value of xx ? Choose 1 mower: (A) -20 (B) -2 (C) 12\frac{1}{2} (e) 16
Sthow calculator

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Problem 220

Find the center and the radius of the circle with the given equation. x2+y220=0x^{2}+y^{2}-20=0
Center: \square (0,0)(0,0) \checkmark
NOTE: Enter the radius in simplified form.
Radius: 252 \sqrt{5} \square \sqrt{ }

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Problem 221

Find all solutions of the equation in the interval [0,2π)[0,2 \pi). 2cosθ2=02 \cos \theta-\sqrt{2}=0
Write your answer in radians in terms of π\pi. If there is more than one solution, separate them with commas. θ=\theta= \square

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Problem 222

Describe the long run behavior of f(n)=3n84n3+n2+5f(n)=3 n^{8}-4 n^{3}+n^{2}+5 As n,f(n)?n \rightarrow-\infty, f(n) \rightarrow ? \vee As n,f(n)?n \rightarrow \infty, f(n) \rightarrow ? \vee

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Problem 223

12 What is the value of each number? 7 7-7 14 14-14 7=|7|= \square 14=|-14|= \square 14=|14|= \square \square

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Problem 224

35+3\frac{\sqrt{3}}{\sqrt{5}+\sqrt{3}}

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Problem 225

Select either < or > to make the statement true. 2091010013_13\begin{array}{l} -20 \ldots \quad 9 \\ -10 \quad-100 \\ -13 \_13 \end{array}

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Problem 226

Evaluate the following I. (a) i) limx2{x27x+10x24}\lim _{x \rightarrow 2}\left\{\frac{x^{2}-7 x+10}{x^{2}-4}\right\} ii) limx0{sin7xx}\lim _{x \rightarrow 0}\left\{\frac{\sin 7 x}{x}\right\} iii) limx{2x37x+3x2+2}\lim _{x \rightarrow \infty}\left\{\frac{2 x^{3}-7 x+3}{x^{2}+2}\right\} (b) Use the chain rule to differentiate y=(3t2+2t9)10y=\left(3 t^{2}+2 t-9\right)^{10}.

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Problem 227

Write an expression to describe the sequence below. Use nn to represent the position of a term in the sequence, where n=1n=1 for the first term. 6,12,18,24,an=\begin{array}{l} -6,-12,-18,-24, \ldots \\ a_{n}=\square \end{array}

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Problem 228

Use the following function rule to find f(d+7)f(d+7). Simplify your answer. f(n)=n2+8f(d+7)=\begin{array}{l} f(n)=n^{2}+8 \\ f(d+7)= \end{array} \square Submit

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Problem 229

(d) Determine the following indefinite integrals i) (2+3x4x3)dx\int\left(2+3 x-4 x^{3}\right) d x ii) (cosx+3sinx)dx\int(\cos x+3 \sin x) d x iii) 4t12t2+t+1dt\int \frac{4 t-1}{2 t^{2}+t+1} d t

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Problem 230

Solve using the standard algorithm. a. 0.64÷4=0.64 \div 4= \qquad b. 6.45÷5=6.45 \div 5= \qquad c. 16.404÷6=16.404 \div 6= \qquad

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Problem 231

2. (a) A curve is defined by the function y=x33x5y=x^{3}-3 x-5
Find i) the gradient of the curve at the point where x=2x=2 ii) the coordinates of the maximum and minimum turning point (b) Obtain from first principles the derivative of the function y=2x2+4x3y=2 x^{2}+4 x-3 (c) Use integration by substitution to find the given integral 01(3x2+2)4dx\int_{0}^{1}\left(3 x^{2}+2\right)^{4} d x (d) Use the product rule to find dydx\frac{d y}{d x} given i. y=(3x2+1)(5t8)y=\left(3 x^{2}+1\right)(5 t-8) ii. y=t2sinty=t^{2} \sin t

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Problem 232

b. 36.012÷3=36.012 \div 3= \qquad 0 12 thousandths ÷3\div 3 ones ÷3+\div 3+ \qquad == \qquad ones + \qquad thousandths == \qquad c. 3.55÷5=3.55 \div 5= \qquad tenths ÷5+\div 5+ \qquad hundredths ÷5\div 5 == \qquad == \qquad d. 3.545÷5=3.545 \div 5= \qquad == \qquad == \qquad

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Problem 233

If the proauct of xeroes of the polynomial ax218x6Δa x^{2}-18 x-6 \Delta is 4 . Find the the value of aa.

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Problem 234

10 points Solve for x:(x+3)2+5=1x:(x+3)^{2}+5=1 x=5x=-5 or -1 x=13x=13 x=3±2ix=-3 \pm 2 i x=3±4ix=-3 \pm 4 i

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Problem 235

Solve the absolute value equation. 2x7=11|2 x-7|=11

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Problem 236


3. 1 (s) Let g(x)a25x2g(x) \sim a^{2}-5 x^{2} Find the dommain of yy at (,(1)(-\infty,(1) b 0 b (n,)(\cdots n, \infty) \& ,0|\cdots, 0| 1) The defintern of the first derivalive of a finction /(x)/(x) is a f(x)=limΔx0f(x+Δx)f(x)Δxf^{\prime}(x)=\lim _{\Delta x \rightarrow 0} \frac{f(x+\Delta x)-f(x)}{\Delta x} b. f(x)=limΔ0f(x+Δx)+f(x)Δxf^{\prime}(x)=\lim _{\Delta \rightarrow 0} \frac{f(x+\Delta x)+f(x)}{\Delta x} c. f(x)=limΔi0(x+Δx)(x)Δsf^{\prime}(x)=\lim _{\Delta i \rightarrow 0} \frac{(x+\Delta x)-(x)}{\Delta s} d. f(x)=limΔx0(x+Δx)(x)Δxf^{\prime}(x)=\lim _{\Delta x \rightarrow 0} \frac{(x+\Delta x) \geq(x)}{\Delta x}
12. The limx0sin(x)x=1\lim _{x \rightarrow 0} \frac{\sin (x)}{x}=1 a. True b. false
13. If y=x2y+xy2=3xy=x^{2} y+x y^{2}=3 x, then dydx\frac{d y}{d x} is a. 2x+xy23\frac{2 x+x y^{2}}{3} b. 32xyy2x2+2xy\frac{3-2 x y-y^{2}}{x^{2}+2 x y} c. 2x2y+y22 x^{2} y+y^{2} d. 2x+3x2+x\frac{2 x+3}{x^{2}+x}
14. A function is said to be continuous at a point " cc " if:
1. limxcf(x)=f(c)\lim _{x \rightarrow c} f(x)=f(c) II. f(c)f(c) is defined a. True b. false

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Problem 237

(5112+732)(5112732)(5 \sqrt[2]{11}+7 \sqrt[2]{3}) \cdot(5 \sqrt[2]{11}-7 \sqrt[2]{3})

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Problem 238

17. When the second derivative of a curve is positive then the type of stationary point is a. Maximum b. Minimum c. Neutral d. Inflexion

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Problem 239

Evaluate: x=4,y=53yx\begin{array}{c} x=4, y=5 \\ 3 y-x \end{array}

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Problem 240

Evaluate: a=1,b=6,c=3c2ab\begin{array}{c} a=1, b=6, c=3 \\ c^{2} \cdot a-b \end{array}

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Problem 241

Evaluate: 9\sqrt{9}

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Problem 242

Question 10 of 10
What is the simplest form of the fraction below? 1530\frac{15}{30} A. 37\frac{3}{7} B. 23\frac{2}{3} C. 12\frac{1}{2} D. 38\frac{3}{8}

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Problem 243

Let x x be 2x3 2x - 3 . Evaluate 1. f(x)=x+5\text{1. } f(x) = x + 5

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Problem 244

11x234x+28=11 x^{2}-34 x+28=

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Problem 245

3. Si el punto (π3;2n12n+1)\left(\frac{\pi}{3} ; \frac{2 n-1}{2 n+1}\right) pertenece a la gráfica de la función y=cosxy=\cos x, demuestra que n=3/2n=3 / 2

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Problem 246

Answer this in your notehook. I Find the slope of a line given two points
1. (1,12)(3,14)(1,12)(3,14)
2. (7,2)(5,8)(7,2)(5,8)
3. (3,4)(2,5)(-3,4) \quad(2,-5)
4. (5,3)(2,3)(5,3) \quad(-2,3) 5.(7,9)(7,2)5 .(7,-9) \quad(7,-2)

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Problem 247

Ch. 6 Polynomials Session 2024/2025 EXAMPLE 10 Given that (x+1)(x+1) and (x2)(x-2) are factors of P(x)=2x4+ax3+bx22xP(x)=2 x^{4}+a x^{3}+b x^{2}-2 x. (a) Find the values of aa and bb. (b) Factorise P(x)P(x) completely. Hence, state the factors, roots and zeroes of P(x)P(x).

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Problem 248

Find the inverse of each matrix. 17) [252220322]\left[\begin{array}{ccc}-2 & 5 & -2 \\ -2 & 2 & 0 \\ -3 & -2 & 2\end{array}\right]

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Problem 249

ssion³x-15 2x2-50 -15 2x2 + 16x + 30 * 6x +9

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Problem 250

If x16=158\frac{\sqrt{x}}{16}=\frac{15}{8} then the value of xx is:

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Problem 251

18=10+4(53g)18=10+2012g18=3012g48=12g12=g\begin{array}{l}-18=10+4(5-3 g) \\ -18=10+20-12 g \\ -18=30-12 g \\ -48=-12 g \\ 12=g\end{array}

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Problem 252

sin2xsinx=0\sin 2 x-\sin x=0

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Problem 253

(21+31+41)×34\left(2^{-1}+3^{-1}+4^{-1}\right) \times \frac{3}{4}

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Problem 254

Tutorial Sheet 5 - Exponential and Log Functions August, 2024
1. Given the function f(x)=(14)xf(x)=\left(\frac{1}{4}\right)^{x}, evaluate each of the following. (a) f(3)f(-3) (b) f(12)f\left(-\frac{1}{2}\right) (c) f(0)f(0) (d) f(13)f\left(\frac{1}{3}\right)

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Problem 255

Lab Homework Question 1, 4.4.C2
Fill in the blank so that the resulting statement is true. If 54x1=5115^{4 x-1}=5^{11}, then _=11\_=11
If 54x1=5115^{4 x-1}=5^{11}, then =11\square=11

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Problem 256

Evaluate. Write your answers as fractions. (35)3=522=\begin{array}{c} -\left(\frac{3}{5}\right)^{3}= \\ \frac{5^{2}}{-2}= \end{array}

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Problem 257

Simplify. a2b6a3b4\frac{a^{2} b^{6}}{a^{3} b^{4}}

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Problem 258

( Lab Homework Question 13, 4.4-20 Points: of of 1
Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic expressions. Give the exact answer. log3x=4\log _{3} x=4 A. {1.262}\{1.262\} B. (64) C. (12) D. (81)

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Problem 259

sinθ(1+tanθ)+cosθ(1+cotθ)=(secθ+cosecθ)\begin{array}{l}\sin \theta(1+\tan \theta)+\cos \theta \quad(1+\cot \theta) \\ \qquad=(\sec \theta+\operatorname{cosec} \theta)\end{array}

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Problem 260

1+cot2θ1+cosecθ=cosecθ\frac{1+\cot ^{2} \theta}{1+\operatorname{cosec} \theta}=\operatorname{cosec} \theta

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Problem 261

(1+3)(13)(1+\sqrt{3})(1-\sqrt{3})
1. simplify 11+3 to 3 s.f. given that 3×1.732\frac{1}{1+\sqrt{3}} \text { to } 3 \text { s.f. given that } \sqrt{3} \times 1.732

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Problem 262

Which ordered pair is a solution to the system of inequalities? {y>2x+y<4\left\{\begin{array}{c} y>-2 \\ x+y<4 \end{array}\right. (3,5)(-3,5) (0,4)(0,4) (1,4)(1,4) (2,3)(-2,-3)

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Problem 263

29+55=8437+(48)=7\begin{array}{r}-29+55=84 \\ -37+(-48)=7\end{array}

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Problem 264

29+(41)=42+(33)=\begin{array}{l}29+(-41)=\square \\ -42+(-33)=\square\end{array}

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Problem 265

(216){(12+13)+[19774(11483+27)]}[(9742112)(1217)]\left(2-\frac{1}{6}\right)-\left\{\left(\frac{1}{2}+\frac{1}{3}\right)+\left[\frac{19}{7}-\frac{7}{4}-\left(\frac{11}{4}-\frac{8}{3}+\frac{2}{7}\right)\right]\right\}-\left[\left(\frac{9}{7}-\frac{4}{21}-\frac{1}{2}\right)-\left(\frac{1}{2}-\frac{1}{7}\right)\right]

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Problem 266

4+85-4+8-5

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Problem 267

Exponential Growth A=Pert A=\mathrm{Pe}^{\text {rt }} Population of city Santa Clava in 2003 was 98,000 Population now of Santa Clara in 2022 was 131,886 Based on these numbers and exponelitial growth, estimate the population of Santa Clara in 2050

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Problem 268

f(x)=xsinxx2+11g(x)=xcosxx2limx+flx+(x))\begin{array}{l}f(x)=\frac{x \cdot \sin x}{\sqrt{x^{2}+1}-1} \\ g(x)=\frac{x-\cos x}{x^{2}} \\ \left.\lim _{x \rightarrow+\infty} \operatorname{fl}_{x \rightarrow+\infty}(x)\right)\end{array}

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Problem 269

(164)24+433:431=(\sqrt{16}-\sqrt{4}) \cdot 2^{4}+4^{33}: 4^{31}=

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Problem 270

f. 12÷7812 \div \frac{7}{8}

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Problem 271

4.05+3.18-4.05+3.18

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Problem 272

2) 325+(142)2:144=\sqrt[5]{32}+(14-2)^{2}: \sqrt{144}=

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Problem 273

30:(414)+(8:23)2=30:(4-14)+(-8: 2-3) \cdot 2=

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Problem 274

30:(414)+(8:23)2=30:(4-14)+(-8: 2-3) \cdot 2=

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Problem 275

30:(414)+(8:23)2=30:(4-14)+(-8: 2-3) \cdot 2=

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Problem 276

2) 92×75=92 \times 75=

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Problem 277

c lattice multiplication to solve each problem 2) 92×7592 \times 75

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Problem 278

The volume of a cylinder with a base of radius rr is the area of the base times the length of its height ( hh ). Which of the following is the formula for the volume of a cylinder? A. V=πrhV=\pi r h B. V=πr2hV=\pi r^{2} h C. V=12πrhV=\frac{1}{2} \pi r h D. V=2πrhV=2 \pi r h

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Problem 279

Compute. 49.834.61+649.83-4.61+6

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Problem 280

An expression is shown. (2.7)2(2.7)3(2.7)1(2.7)4\frac{(2.7)^{-2} \cdot(2.7)^{3}}{(2.7)^{1} \cdot(2.7)^{-4}}
Apply the Laws of what Exponents to determine the value of the expression.
The value of the expression is

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Problem 281

(7) Halla el término que falta para que fracciones sean equivalentes. 23=81957=3529=10454=2849\begin{array}{ll} \frac{2}{3}=\frac{8}{19} & \cdot \frac{5}{7}=\frac{\square}{35} \\ \cdot \frac{2}{9}=\frac{10}{45} & \cdot \frac{4}{\square}=\frac{28}{49} \end{array}

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Problem 282

5. (2x2y)5\left(2 x^{2} y\right)^{5}

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Problem 283

y=2x2x+7y=\frac{2 x}{2 x+7} Oive the domains of the Jollowing function

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Problem 284

1) 9(57)3v9v-9(-5-7)-3 v-9 v

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Problem 285

Perform the indicated multiplication. 6(9)6(9)=\begin{array}{c} 6(-9) \\ 6(-9)= \end{array}

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Problem 286

Find the centre whose equation is : 2x2+2y23x+2y+1=02 x^{2}+2 y^{2}-3 x+2 y+1=0

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Problem 287

Tatenda has a circle with an equation x2+y28x+4y+4=0x^{2}+y^{2}-8 x+4 y+4=0. Find the coordinates of the centre of this circle.

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Problem 288

Show that the line passing through the points A(6,4)A(6,4) and B(7,11)B(7,11) is parallel to the line passing through P(0,0)P(0,0) and Q(2,14)Q(2,14).

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Problem 289

Find the values of xx that satisfy the inequalities. (Enter your answer using interval notation.) x+1>6 or x+4<1x+1>6 \text { or } x+4<-1

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Problem 290

(47)2+28+9(32:86)3+(28)=(4-7)^{2}+\sqrt{2 \cdot 8+9}-(32: 8-6)^{3}+(-2-8)=

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Problem 291

Solve the Absolute Value Equation T2ES1
Solve each equation. 1) x3=5|x-3|=5 2) x+7=2|x+7|=2 3) 23x=1\left|\frac{2}{3}-x\right|=1
Solution == Solution == Solution ==

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Problem 292

9. (12a3b4c5)3\left(\frac{1}{2} a^{3} b^{4} c^{5}\right)^{3}

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Problem 293

Simplify the expression. (4x1)(5)(5x+1)(4)(4x1)2\frac{(4 x-1)(5)-(5 x+1)(4)}{(4 x-1)^{2}}

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Problem 294

5) x+9=3|-x+9|=3
Solution ==

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Problem 295

6. x20y9z2x5y9z\frac{x^{20} y^{9} z^{2}}{x^{5} y^{9} z}

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Problem 296

Solve for yy. 4+3y=104+3 y=10
Simplify your answer as much as possible. y=y= \square

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Problem 297

Find the real roots of the equation by factorin x2+x56=0x^{2}+x-56=0

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Problem 298

Solve for yy. 2(3y+7)=682(3 y+7)=68
Simplify your answer as much as possible. y=y=

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Problem 299

1635=\frac{1}{6}-\frac{3}{5}= \square (Type an integer or a simplifed fraction.)

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Problem 300

Solve for xx 3x+144=2\frac{3 x+14}{4}=2
Simplify your answer as much as possible. x=x= \square

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