3 years ago

A=10,b=49.5,c=20 answer choices are yes or no

1 answer:

5 0

Well, if it is based off the Pythagorean Theorem, here is the formula: a squared plus b squared equals c squared. It also works with c squared minus a squared equals b squared. I hope this helps! Please mark me brainliest!

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Find the value of x.

dimaraw [331]

Answer:

$2\sqrt{77}$

Step-by-step explanation:

Use the Pythagorean theorem. $a^{2} +b^{2}=c^{2}$

a and b are the two side lengths

c is the hypotenuse (value across from the right angle)

Plug in the values that you are given.

$a^{2} +4^{2} =18^{2}$

Solve for x

$x^{2} =18^{2} -4^{2}$

$x^{2} =308$

x= $\sqrt{308}$

$x=2\sqrt{77}$

5 0

2 years ago

If f(x)=2+abs(x-3) for all x, what's the value of the derivative f'(x) at x=3?

ruslelena [56]

No derivation at x=3 .
only at x=3

8 0

2 years ago

Simplify 3(x+2)-6+x please!

kirill115 [55]

The answer is 4x that the answer

7 0

2 years ago

Read 2 more answers

10 x 1/2+(-6)(-3) simplified in steps

miv72 [106K]

Answer:

Step-by-step explanation:

Remember PEMDAS/order of operations (Parentheses, exponent, multiplication, division, addition, subtraction)

10*1/2+(-6)(-3)

10*1/2+18

5+18

5 0

2 years ago

Explain how to verify that 3(2x + 5) = 9 + 3x and x = –2 are equivalent equations.

aniked [119]

3 times (2x + 5) is 6x + 15.

6x + 15 = 9 + 3x.

Group by like terms. 6 = -3x

Divide to get x by itself. 6/-3 = -2

Thus -2 = x

6 0

2 years ago