3 years ago

I’m only giving brainlyest to the right answer

Mathematics

1 answer:

White raven [17]3 years ago

5 0

Answer: c is the right answer

Step-by-step explanation: i just did it and i got it right.

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Given: ΔABC is a right triangle and CD ⊥ AB.

Gelneren [198K]

C

Proves ac2+ bc2 = ab2

3 0

2 years ago

Find the length of the third side. If necessary, write in simplistic radical form.

____ [38]

Answer:

Step-by-step explanation:

Just use the Pythagorean Theorem ( $a^{2}$ + $b^{2}$ = $c^{2}$ )

Let a be the missing side

$a^{2}$ = $8^{2}$ - $\sqrt{15} ^{2}$

$a^{2}$ = $64$ - $15$

$a^{2}$ = $49$

Take the square root of each side

$a$ = $\sqrt{49}$

$a$ = $7$

So the missing side is 7.

Hope this helps! :)

8 0

3 years ago

What is the answer to this problem

Ulleksa [173]

Answer:

A= 3, B=-5, C=2

Step-by-step explanation:

Put them in order of leading power.

3x^2-5x+2

6 0

3 years ago

Please help! B is the wrong answer!

Fynjy0 [20]

I think a is the answer

8 0

4 years ago

Read 2 more answers

What is the surface area of a dome ( 1/2 sphere) with a radius of 12 meters?<br> A.

Step2247 [10]

Answer:

$Area = 1357.344m^2$

Step-by-step explanation:

Given

Shape: dome

$r = 12$

Required

The surface area

This is calculated as:

$Area = 3\pi r^2$

So, we have:

$Area = 3*3.142* 12^2$

$Area = 1357.344m^2$

4 0

3 years ago