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3 years ago

Find the area and perimeter of a rectangle that is 14.5 meters by 5.8 meters.

Mathematics

1 answer:

timofeeve [1]3 years ago

7 0

The area of the rectangle would be 84.1 because you multiply and the perimeter would be 40
hope this helped:)

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Is x - 8 a factor of the function f(x) = -2x3 + 17x2 - 64? Explain.

Oduvanchick [21]

we know that

If $(x-8)$ is a factor of the function $f(x)=-2x^{3}+17x^{2}-64$

then

$x=8$ is a root of the function f(x)

therefore

For $x=8$ the value of the function must be zero

Verify

Substitute the value of $x=8$ in the function

$f(8)=-2(8)^{3}+17(8)^{2}-64$

$f(8)=-2(512)+17(64)-64$

$f(8)=-1,024+1,088-64$

$f(8)=-1,088+1,088$

$f(8)=0$

therefore

<u>the answer is</u>

Yes, $(x-8)$ is a factor of the function f(x)

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3 years ago

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2. If Axel has 34 pound of cherries, how many cherry pies<br> can Axel make?

padilas [110]

5
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2 years ago

How can u show that two objects are proportional using a graph

Grace [21]

The graph has to be a straight line that pass through the origin (0,0)

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3 years ago

Rearranging literal equations!! really confused ASAPplease

valina [46]

Answer:

b = $\frac{8a-55}{5-a}$

Step-by-step explanation:

To clear the radicals square both sides

$\frac{1}{6-a}$ = $\frac{8+b}{b-7}$ ( cross- multiply )

(6 - a)(8 + b) = b - 7 ← expand factors on left using FOIL

48 + 6b - 8a - ab = b - 7 ( subtract 48 from both sides )

6b - 8a - ab = b - 55 ( add 8a to both sides )

6b - ab = b - 55 + 8a ( subtract b from both sides )

6b - ab - b = 8a - 55, that is

5b - ab = 8a - 55 ← factor out b from each term on the left side )

b(5 - a) = 8a - 55 ← divide both sides by (5 - a)

b = $\frac{8a-55}{5-a}$

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2 years ago

10 points...............

Alisiya [41]

I think the one that's gray that's the correct answer.Hope this helps! ;)

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2 years ago

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