2 years ago

Yes or no easy math plus another math question

Mathematics

1 answer:

Fed [463]2 years ago

3 0

Answer:

10 yes 18 no 17 no

Step-by-step explanation:

Hope this helps

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The length of a rectangle is eight more than twice its width. The perimeter is 88 feet. Find the dimensions of the rectangle.

vodka [1.7K]

Answer:

length: 31

width: 12

Step-by-step explanation:

l=8+2w

p=2l+2w=88

(8+2w)+(8+2w)+w+w

16+6w=88

6w=72

w=12

l=8+2(12)

l=32

sorry if this was confusing

7 0

4 years ago

Read 2 more answers

Solve for all values of x by factoring.<br> x^2 + 4x – 30 = -3x

vichka [17]

Answer:

${x}^{2} + 4x - 30 = - 3x \\{x}^{2} + 7x - 30 = 0 \\ {x}^{2} - 3x + 10x - 30 = 0 \\ x(x - 3) + 10(x - 3) = 0 \\ (x - 3)(x + 10) = 0 \\ \boxed{x = 3} \\ \boxed{x = - 10}$

<h3><em><u>x=3 or x=-10</u></em> is the right answer.</h3>

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3 years ago

how far can you get away from your little brother hwo has a water balloon if you can travel at 3 m/s and you have 5 seconds befo

Bad White [126]

I don't think u can get the far say round about 15m/s

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3 years ago

Name the property of equality that justifies the following statement

ruslelena [56]

This is subtraction property of equality.
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3 years ago

Using the discriminant, how many real number solutions does this equation have? 3x^2 – 2 = 5x

Anvisha [2.4K]

The discriminant of this equation is 49. The solutions for this equation are x=2 and x=- $\frac{1}{3}$
I hope that helps.

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3 years ago