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2 years ago

A right triangle are 3 cm and 4 cm. What is the length of the hypotenuse?

1 answer:

3 0

Oh this is easy.

A² + B² = C²

A and B are the sides.

But it's a little known fact that if those sides are 3 and 4 units, the hypotenuse is 5. Make sure to keep that in mind, because this trick works for other problems that ask what the hypotenuse is if the sides are 6 and 8, then it's 10.

The answer is 5.

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5/8 - 4/5 subtract as indicated and express your answer in lowest terms

Nitella [24]

Answer:

-7/40

Step-by-step explanation:

5/8 - 4/5

~Find common denominators

25/40 - 32/40

~Subtract

-7/40

Best of Luck!

4 0

2 years ago

Find the greatest common factor of 28x^2 16x

Aleks04 [339]

4x (7x +4). The greatest factor is 4x because it comes out of both.

6 0

2 years ago

For what value of x is the square of the binomial x+1 one hundred and twenty greater than the square of the binomial x-3

My name is Ann [436]

Answer:

x = 16

Step-by-step explanation:

(x + 1)² = (x - 3)² + 120

x² + 2x + 1 = x² - 6x + 9 + 120

8x = 128

x = 16

3 0

1 year ago

GCF of 72 and 81. Show your work.

frosja888 [35]

Answer:

greatest factor of 72 and 81 is 9.

Step-by-step explanation:

i got this because 9 is the greatest number when multiplied that will go into both 72 and 81. i solved this by comparing the multiples of 72 and 82.

hope this helped :))

4 0

2 years ago

Read 2 more answers

(y +12) (y - 18) (x) (z) x= y = Z =

Wittaler [7]

Answer:

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Step-by-step explanation:

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2 years ago