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Katena32 [7]
3 years ago
13

Number 4 has me stuck ​

Mathematics
2 answers:
bonufazy [111]3 years ago
5 0
(-5C^2)^3-(5c)^6
-125C^5 - 15625c^6
Rudiy273 years ago
5 0

Answer:

-15750

Step-by-step explanation:

-125c^6 - 15625c^6

-15750

B/c the variables cancel out

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Your math teacher tells you that the next test is worth 100 points and contains 38 problems muitiple choices are worth 2 points
jeka94

Answer:

multiple choice have 30 questions

word problems have 8 questions

Step-by-step explanation:

x=multiple choice. y=word problems

2x+5y=100 ---eq1

x+y=38 ---eq2

y=38-x ---eq3

substitutet eq3 into eq1

2x+5(38-x)=100

2x+(-5x)+190=100

2x-5x=100-190

-3x=-90

x=-90/-3

x=30

substitute x to eq3

y=38-(30)

y=8

multiple choice have 30 questions

word problems have 8 questions

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2 years ago
A blue spruce grows an average of 6 inches per year and a hemlock grows an average of 4 inches per year.
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Answer:

It will take 12 years for the trees to be at the same height.

Step-by-step explanation:

7 0
2 years ago
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Which of the following is the same as 2.3 times 10 to the third power
trasher [3.6K]
23000 which is it in scientific notation
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3 years ago
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