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3 years ago

Factor the polynomials

Mathematics

1 answer:

photoshop1234 [79]3 years ago

4 0

C. -X to the 3rd power, 4x to the second power and 5x all share the common factor or X, therefore you put it outside the parenthesis. What you have left is -X to the second power minus 4x minus 5.

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You may remember that the perimeter of a rectangle is P=2(W+L) where W is the width and L is the length. Suppose that the perime

Anna71 [15]

Answer:

5 feet

Step-by-step explanation:

P = 2(w + l)

P = 34

l = w + 7

34 = 2 (w + w + 7)

34 = 2w + 2w + 14

34 - 14 = 4w

20 = 4w

w = 5 feet

Since l = w + 7

l = 5 + 7

l = 12 feet

5 0

3 years ago

If the perimeter of a square is 68 feet, find the approximate length of its diagonal.A. 17 feet B. 24 feet C. 38 feet D.

Elanso [62]

Find the side length:

Side = 68/4 = 17

Now use Pythagorean theorem:

Diagonal = sqrt(17^2 + 17^2)

Diagonal = sqrt(289 + 289)

Diagonal = sqrt(578)

Diagonal = 24 feet

The answer is B. 24 feet

8 0

3 years ago

20 points !!! -3/8x-20+2x>6

Semenov [28]

Answer:

$x > 16$

Step-by-step explanation:

$- \frac{3}{8} x -20+2x>6$

Add 20 to both sides:

$- \frac{3}{8} x + 2x > 26$

Multiply 8 on both sides:

$- 3x + 16x > 208$

$13x > 208$

Divide by 13 on both sides:

$x > 16$

3 0

3 years ago

Read 2 more answers

When x = 8, y = 20. Find y when x = 42

snow_tiger [21]

The answer that I got was y=105
Hope this helps!

3 0

3 years ago

Read 2 more answers

What is <br> Sin A?<br> Cos A?<br> Tan A?

Katyanochek1 [597]

Answer:

See explanation

Step-by-step explanation:

$\sin A = \frac{12}{20} = \frac{3}{5} \\ \\ \cos A = \frac{16}{20} = \frac{4}{5} \\ \\ \tan A = \frac{12}{16} = \frac{3}{4}$

6 0

3 years ago