3 years ago

Which one is it in the screenshot below?

Mathematics

2 answers:

Sidana [21]3 years ago

8 0

The answer would be Q. This is because R has an undefined slope.

babunello [35]3 years ago

8 0

It would have to be Q. Think of how the line Q is not going up at all.

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The first term in a geometric series is 64 and the common ratio is 0.75. Find the sum of the first 4 terms in the series.

maks197457 [2]

Answer:

195.25

Step-by-step explanation:

Consider geometric series S(n) where initial term is a

So S(n)=a+ar^1+...ar^n

Factor out a

S(n)=a(1+r+r^2...+r^n)

Multiply by r

S(n)r=a(r+r^2+r^3...+r^n+r^n+1)

Subtract S(n) from S(n)r

Note that only 1 and rn^1 remain.

S(n)r-S(n)=a(r^n+1 -1)

Factor out S(n)

S(n)(r-1)=a(r^n+1 -1)

The formula now shows S(n)=a(r^n+1 -1)/(r-1)

Now use the formula for the problem

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3 years ago

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OlgaM077 [116]

Answer: 48 stard

Step-by-step explanation:

12 stars = 30 balloons

? = 120 balloons

Solve

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7 0

3 years ago

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Deffense [45]

Answer:

B) 4 one-point baskets: 5 three-point baskets

Step-by-step explanation:

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2 years ago

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Montano1993 [528]

Answer:

x > $\frac{7}{2}$

Step-by-step explanation:

given

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dusya [7]

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3 years ago