All categories

3 years ago

SHOW ALL OF WORK. Find missing length, round to the nearest tenth if necessary.

Mathematics

2 answers:

hoa [83]3 years ago

8 0

This is using the pythagorean theorem:)

Basile [38]3 years ago

3 0

Answer:

Step-by-step explanation:

to do this you need to use the Pythagorean theorem

a^2+b^2=c^2

9^2+12^2=c^2

81+144=c^2

$\sqrt{225}$ = $\sqrt{c^2}$

c=15

You might be interested in

Translate to inequality twice a number is at most 40

kow [346]

In mathematical form, it would be: 2x ≥ 40
x ≥ 20

Hope this helps!

5 0

3 years ago

The ratio of boys to girls at the movie is 4:7. If there are 21 girls l, how many boys are at the movie?

Gelneren [198K]

There are 12 boys 21/7=3 so 4(3)= 12
You are welcome

7 0

3 years ago

population of villages 20000 if the population growth rate of villages 2% per year what will be the population after 2 year

olganol [36]

The answer is 6.00009

3 0

2 years ago

What two numbers add to 13 but multiply to negative 12?

Phoenix [80]

9514 1404 393

Answer:

13.8654599313 and -0.8654599313

Step-by-step explanation:

If one of the numbers is x, then the other is 13-x, and their product is ...

x(13 -x) = -12

x^2 -13x = 12 . . . . multiply by -1 and simplify

x^2 -13x +6.5^2 = 12 +6.5^2 . . . . complete the square

(x -6.5)^2 = 54.25

x -6.5 = √54.25

x = 6.5 +√54.25 ≈ 13.8654599313

and the other number is ...

13 -x = 13 -13.8654599313 = -0.8654599313

The two numbers are 13.8654599313 and -0.8654599313.

3 0

2 years ago

1. if a = 16 and b= 12, find c

klasskru [66]

Answer:

Step-by-step explanation:

The pythagorean theorem states that

$a^2+b^2=c^2$

So $16^2 + 12^2 = c^2\\256+144 = c^2\\400 = c^2$

You would then do

$400 = c^2\\\sqrt{400} = c$

Because a square root is the opposite of a square.

$\sqrt{400} = 20$

because 20 * 20 = 400

7 0

3 years ago