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3 years ago

Find the perimeter of rectangular soccer field shown below: 50 feet, 25 feet, 50 feet, 25 feet

Mathematics

1 answer:

zhannawk [14.2K]3 years ago

5 0

Answer:

perimeter is 150 ft

Step-by-step explanation:

perimeter = sum of all sides

p = 50ft + 50ft + 25ft + 25ft

p = 150ft

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Find the unit rate.

marusya05 [52]

Answer:

Step-by-step explanation:

8/2=4

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if it did pls mark brainliest

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2 years ago

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The elevation at ground level is 0 feet. An elevator starts 90 feet below ground level. After traveling for 15 seconds, the elev

kramer

Answer:

Step-by-step explanation:

i believe the answer is 7.33333333333 feet per second

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3 years ago

Someone please help me with math linear equations 3x + 2y = 12

vodka [1.7K]

3x + 2y = 12
subtract 3x from both sides
2y = -3x + 12
divide all terms by 2 so that you can have only the y on the left side
y = -3/2x + 6
And that is your answer!

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3 years ago

Find the measure of x.

Scorpion4ik [409]

Answer:

x = 6

Step-by-step explanation:

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3 years ago

What are all of the real roots of the following polynomial? f(x) = x4 - 13x2 + 36

GREYUIT [131]

ANSWER

A. -3, -2, 2, and 3

EXPLANATION

The given polynomial function is,

$f(x) = {x}^{4} - 13 {x}^{2} + 36$

To find the real roots, we equate the function to zero to obtain;

${x}^{4} - 13 {x}^{2} + 36 = 0$

We can solve this equation as a quadratic equation in
${x}^{2}.$

Thus we rewrite the equation as,

$({x}^{2})^{2} - 13 {x}^{2} + 36 = 0$

We split the middle term to get,

$({x}^{2})^{2} - 9 {x}^{2} - 4 {x}^{2} + 36 = 0.$

We factor to get,

${x}^{2} ( {x}^{2} - 9) - 4( {x}^{2} - 9) = 0$

We factor to get,

$( {x}^{2} - 9)( {x}^{2} - 4) = 0$

Either

${x}^{2} - 9 = 0$
or

${x}^{2} - 4 = 0$

$x = \pm \sqrt{9} \: or \: x = \pm \sqrt{4}$
$x = \pm3 \: or \: x = \pm2$

$x=-3,-2,2,3$

The correct answer is A

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3 years ago

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