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Butoxors [25]
3 years ago
15

Solve the perimeter formula for an isosceles triangle, P = 2a + b for a.

Mathematics
1 answer:
QveST [7]3 years ago
7 0

Step-by-step explanation:

subtract b to get P-b=2a. divide each side by 2 to get (P-b)/2=a

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Oka okay i need help
tekilochka [14]

Answer:

x=120, y=70

Step-by-step explanation:

X must be 120 degrees as it is on a parallel line.

The outer+interior angles of a triangle on a straight line must be supplementary, so the second angle of the triangle is 180-120=60.

All interior angles of a triangle add up to 180 degrees: 50+60+y=180

y+110=180

y=70

8 0
3 years ago
Read 2 more answers
Explain Long division in your own words using at least 3 sentences.
Marina86 [1]

Answer:

form of devision that takes longer bc it a fraction or decimal. first you want to get rid of the decimals. then devide the numbers from the lowest to the highest

I may be wrong been for ever since I did it on paper

4 0
3 years ago
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Adult tickets to the fall play cost $8 and student tickets cost $4. the drama class sold 20 more adult tickets than student tick
Ganezh [65]
Let a = Adult tickets, s = Student tickets; we are going to set up a system of equations. 

8a + 4s = 880
a - s = 20

We are going to multiply the second equation by so that we can cancel out one of the variables and solve for the other. This gives you:

8a + 4s = 880
4a - 4s = 20

Notice the s-variables will cancel:

12a = 900
a = 75

Now we plug in the amount of adult tickets to solve for the student ones.

75 - s = 20
- s = - 55

Divide both sides by - 1
s = 55.

There were 55 student tickets sold and 75 adult tickets. 


6 0
3 years ago
Given the following functions, find the indicated values.
schepotkina [342]

Answer:f(5)

Step-by-step explanation:

8 0
3 years ago
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Can someone help?? please!
Crazy boy [7]

Answer:

cheese

Step-by-step explanation:

cheese is the best answer

4 0
3 years ago
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