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olganol [36]
3 years ago
7

(b12)3 The simplified expression is

Mathematics
1 answer:
AlexFokin [52]3 years ago
8 0

Answer:

b^36

Step-by-step explanation:

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Scott burned 20 calories per minute jogging for x minutes and 5 calories per minute for biking for y minutes. He spent a total o
stiv31 [10]

Answer:

x = 112

Step-by-step explanation:

We can create two equations 1. one that calculates calories burned and 2.another that calculates minutes:

20*x + 5*y = 1200

x + y = 120

Then we can solve for x

x = 120 - y

then we can plug that into the top equation:

20(120 - y) + 5y = 1200

divide by 5:

4(120 - y) + y = 240

distribute:

480 - 4y + y = 240

and then do all that combining like factors what not and simplify and solve:

480 - 3y = 240

-3y = -240

y = 8

NOW WE CAN JUST PLUG IN THE ANSWER FOR Y TO FIND X

8+x =120

x = 112

7 0
2 years ago
There are 6 girls and 7 boys in a class. A team of 10 players is to be selected from the class. If the selection is random, what
Luden [163]
For the selection to be 10, there has to be at least 3 girls. So there's a 1/4 chance of 3 girls picked, 1/4 4 girls, 1/4 5 girls and 1/4 6 girls. Because the sum of people has to be 10, if 4 girls are picked, to make 10 people there is a 1/1 chance of 6 boys. 1/4 * 1/1 = 1/4. So 1/4 chance of 4 girls and 6 boys
7 0
3 years ago
I NEED THIS ROGHT NOE help me pls
Lorico [155]

Answer:

A is estimated to 110.11

Step-by-step explanation:

Area of a regular pentagon = pa/2

p= perimeter

a= the apothem

Calculate it from the side length: p= 5s

8 0
3 years ago
What is the slope of the line?
rodikova [14]

Answer:

Step-by-step explanation:

If you look careful,the line is passing throw the middle of the square which that means 0,5=>1/2

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3 years ago
The price s of a pair of shoes plus 5% sales tax
diamong [38]
Price=P
Tax= (Px0.05)
Total= P + (Px0.05)
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3 years ago
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