2 years ago

Please help with the question in the picture!!

Mathematics

1 answer:

Greeley [361]2 years ago

7 0

Answer:

Top: -5

Middle: -40

Bottom: -24

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PLEASE HELP 25 POINTS!!!

miss Akunina [59]

Sequence: 2 + 1 + 1/2 + 1/4 + 1/8 + ...

Explanation:

Here Given Sum to Infinity

$\sf S \infty \ =a_1 \ x \ \dfrac{1}{1-r}$

Identify following

a1 = 2

r = 1/2

Solve:

$\rightarrow \sf S \infty \ =2 \ x \ \dfrac{1}{1-\frac{1}{2} }$

$\rightarrow \sf S \infty \ =4$

The sum of this infinity series is 4

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1 year ago

1. 18 is 30% off what number

marusya05 [52]

2 7.5
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2 years ago

Derek spends $8.50 a day on school breakfasts and lunches. How much does he spend on food in a school week? (Hint: there are 5 d

Anit [1.1K]

Answer:

$42.50

Step-by-step explanation:

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2 years ago

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Mandarinka [93]

7 is the GCF of 21 and 49. Does this help at all?

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3 years ago

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Use the function f(x)=2x^3-3x^2+7 to complete the exercises

Anastaziya [24]

To answer this set of questions, all we have to do is just to substitute the value of x in F(x) to the given f(x) equation.

By substitution and following PEMDAS rule:<span>
F(-1)=2(-1)³-3(-1)²+7=5</span>

F(1)=2(1)³-3(1)²+7=6

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Therefore the answers are 5, 6 and 11.

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3 years ago

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