2 years ago

Five students from the 90 students in your class not running for class

Mathematics

1 answer:

trapecia [35]2 years ago

5 0

The answer is 7859
I did it and got it right.....

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Leon has a gift card for $100. He spent $65 of it on books. What is the new balance in Leon's card?

Grace [21]

Answer:

$35

Step-by-step explanation:

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2 years ago

Sara is building a triangular pen for her pet rabbit. If two of the sides measure 8 feet and 15 feet, what could the length of t

Aleks04 [339]

As the pen is a triangle, the third side can either be the hypotenuse or a regular side. If the third side is the hypotenuse, it's length would be $l= \sqrt{8^2+15^2} = \sqrt{64+225} = \sqrt{289} =17$ feet. If the third side is a regular side, than it would be $l= \sqrt{15^2-8^2} = \sqrt{225-64} = \sqrt{161}$ ≈12.689 feet. This means your third side can either be 17 feet long or 12.689 feet long.

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2 years ago

Find the sum of 45 and 26 using mental math. Show your thinking on the open number line

Afina-wow [57]

(sum is adition)

This is all truely from my head:

40 plus 20 is 60.

5 plus 6 is 11.

60 plus 11 is 71.

please mark brainliest if you think it's gucci!

3 0

2 years ago

___ x 4 = 12<br> ___ x 5 = 20<br> ___ x 2 = 10

RideAnS [48]

Answer:

3 x 4 = 12

4 x 5 = 20

5 x 2 = 10

Step-by-step explanation:

3 + 3 + 3 + 3 = 12

3 four times equals 12

This is the same for the others

4 + 4 + 4 + 4 + 4 = 20

Four 5 times equals 20

4 0

2 years ago

When 5 is subtracted from the square of a number, the result is 4 times the number. Find the negative solution.

wariber [46]

Answer:

-1

Step-by-step explanation:

You can write it as...

$x^{2} -5=4x$

Carry the 4x

$x^{2} -4x-5=0$

Then use the quadratic formula to solve, since you want to find the negative solution, you don't need to find the positive solution, so we will have

$(4-\sqrt{16+20}) /2=\frac{4-6}{2}=\frac{-2}{2} =-1$

Therefore our answer is -1

8 0

3 years ago