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MATH SOLVE
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Find the quotient and any excluded values.(x + 5/x^2 + 9x + 20)/(x^2-16/x-4)
General
2 months ago
Randy is selecting a shirt and a pair of pants. how many combinations include a white shirt? question 1 options: 1 2 4 6 save
General
2 months ago
Valek finds the distance between P and R. His work is shown below.Step 1 32/48 = 20/PRStep 2 20PR = (32) (48)Step 3 20PR = 1,536Step 4 PR = 76.8 kmWhat is Valek’s first error?Valek did not correctly divide 1,536 by 20 going from step 3 to step 4.Valek did not find the correct product of 32 and 48 going from step 2 to step 3.Valek should have written the proportion in step 1 as 32/20 = PR/48.Valek should have written the cross-product in step 2 as 32PR = (20) 48).
General
2 months ago
The diameter of a human hair is 9 \cdot 10^{-5}9⋅10 −5 9, dot, 10, start superscript, minus, 5, end superscript meters. The diameter of a spider's silk is 3 \cdot 10^{-6}3⋅10 −6 3, dot, 10, start superscript, minus, 6, end superscript meters.How much greater is the diameter of a human hair than the diameter of a spider's silk?
General
2 months ago
Divide the following polynomials using synthetic division, then place the answer in the proper location on the grid. Write answer in descending powers of x. (x4 + 81) (x + 3)
General
2 months ago
Which of the following could be a function with zeros of -3 and 2?A. f(x)=(x-3)(x+2)B.f(x)=(x-3)(x-2)C.f(x)=(x+3)(x-2)D.f(x)=(x+3)(x+2)
General
2 months ago
During the eclipse on January 26, 2009, the moon's shadow traveled 14,500 kilometers and covered 0.9 percent of the surface area of Earth. Earth's surface area is about 512 million square kilometers. Suppose the area covered by the shadow was rectangular. What would be the width of such a rectangle? Round your answer to the nearest kilometer.A. 392 kmB. 318 kmC. 350 kmD. 3,178 kmPLEASE HELP ME I REALLY NEED IT AND I WILL MARK BEST ANSWER AS BRAINLIES!
General
2 months ago
The height, h, in feet of the tip of the minute hand of a wall clock as a function of time, t, in minutes can be modeled by the equation h=0.75cos(pi/30(t-15))+8. Which number (from 1 to 12) is the minute hand pointing to at t = 0? A.) 3B.) 6C.) 9 D.) 12
General
2 months ago
A scale factor of (A. 0.125 or B. 8) was applied to the first triangle to the get the resulting image.This scale factor is an enlargement? or a reduction?
General
2 months ago
Solve the following system of equations. Enter the y-coordinate of the solution. Round your answer to the nearest tenth. 5x+2y=21-2x+6y=-34
General
2 months ago
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