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3 years ago

6

If a = 2 in and b = 5 in now find c.

2 answers:

kati45 [8]3 years ago

6 0

Answer:

5.38516480713

Step-by-step explanation:

Licemer1 [7]3 years ago

6 0

Answer:

5.38

Step-by-step explanation:

a^2+b^2=c^2

2^2+5^2=c^2

4+25=c^2

√29=c^2

5.38

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Translate and solve: eight more than the product of three and a number is -13

Murrr4er [49]

Ok, so let’s take the given phrase.
Eight more than the product of 3 and a number is -13. A translation to numbers looks like this:
3x + 8 = -13
Now, let’s solve for x. We can start the process by subtracting 8 from both sides.
3x = -21
now, we will divide each side by 3 to isolate the variable, thus solving for x.
x = -7

6 0

4 years ago

BRAINLIESTT ASAP! PLEASE HELP ME :)<br> thanks!

fredd [130]

Answer:

A is correct, x=7, AB=20

Step-by-step explanation:

All of the options say x=7 so you can just input 7 into 4x-8 to find AB

4(7)-8=AB

28-8=AB

20=AB

Hope this helps, please mark brainliest :)

3 0

3 years ago

The sale price of the new car was $14,500. The sales tax rate was 6.5 percent. What was the sale tax on the car?

elixir [45]

$942.50.

$14,500 x 0.065 = $942.50

6.5% = 0.065

3 0

4 years ago

Yo i need help with 1,000,000 + - 3,000,000

Arada [10]

Answer: -2,000,000

Step-by-step explanation:

Think of it as -3,000,000 + 1,000,000

6 0

4 years ago

Read 2 more answers

Benjamin threw a rock straight up from a cliff that was 48 ft above the water. If the height of the rock h, in feet, after t s

fomenos

Answer: It will take 4 seconds for the rock to hit the water.

Step-by-step explanation:

Given : Benjamin threw a rock straight up from a cliff that was 48 ft above the water.

If the height of the rock h, in feet, after t seconds is given by the equation

$h = -16 t^2+ 52 t + 48$

To find : Time taken for the rock to hit the water.

When rock hit the water height becomes zero , i.e. put h = 0 , we get

$-16 t^2+ 52 t + 48 =0$

Divide equation by 2 , we get

$-8t^2+26t+24=0$

The Laue of x for ax²+bx+c =0 is $x=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}$

So , $t=\frac{-26\pm\sqrt{(26^{2}-4(-8)(24))}}{2(-8)}$

$t=\dfrac{-26\pm 38}{-16}\\\\ t=-\dfrac{-26+38}{-16}=-0.75\ \ t=\dfrac{-26-38}{-16}=4$

Since t cannot be negative , so t= 4

Hence, it will take 4 seconds for the rock to hit the water.

5 0

3 years ago