2 years ago

HELPPPPPP PLEASEEEEEEE

Mathematics

1 answer:

Burka [1]2 years ago

4 0

19 would be the answer

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SOLVE Janet piano teacher charged $12.50 for a 30-minute lesson if Janet has a 4 lesson per month how much will she owe her pian

miskamm [114]

You would multiply 12.50 by 4 because thats how much each lesson is and you go 4 times a month. You then multiply this by 12 because there are 12 months in a year. The answer comes out to $600 a year. Hope this helps. XD

3 0

4 years ago

Triangle- interior angle<br> Please help !

sp2606 [1]

Answer:

x = 25

<B = 120 degrees

<C = 30 degrees

Step-by-step explanation:

Total angle measure of a triangle - 180 degrees

Add all the angles together to find the value of x

30 + 4x + 20 + x + 5 = 180

55 + 5x = 180

55 - 55 + 5x = 180 - 55

5x = 125

$\frac{5x}{5} = \frac{125}{5}$

x = 25

<B = 4(25) + 20

<B = 100 + 20

<B = 120

<C = 25 + 5

<C = 30

7 0

4 years ago

⣀⣤⣤⣄⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

AysviL [449]

Wow! So so so cool lol

8 0

3 years ago

Read 2 more answers

<img src="https://tex.z-dn.net/?f=f%5Cleft%28x%5Cright%29%3D%5Cfrac%7B%5Cleft%28x%5E%7B3%7D%2B8x%5E%7B2%7D%2B21x%2B18%5Cright%29

scoundrel [369]

Answer:

f = $\frac{x^{3}+8x^{2}+39}{x^{2}+3x }$

Step-by-step explanation:

Solved for f!

8 0

3 years ago

Trigonometry

ValentinkaMS [17]

Answer:

$\cos(A)=\frac{12}{13}$

Step-by-step explanation:

Without loss of generality, let $AB=24$ and $BC=10$ (follows tan(C)=2.4). In a right triangle, the tangent of an angle is equal to its opposite side divided by its adjacent side and the cosine of an angle is equal to its adjacent side divided by the hypotenuse.

We can use the Pythagorean Theorem ( $a^2+b^2=c^2$ , where $c$ is the hypotenuse) to solve for the hypotenuse:

$24^2+10^2=h^2,\\h^2=676,\\h=26$

Therefore, $\cos(A)=\frac{24}{26}=\boxed{\frac{12}{13}}$

8 0

3 years ago

Read 2 more answers