2 years ago

What is the first four terms of the geometric sequence where a1=−8 and r=−2 ?

Mathematics

1 answer:

mash [69]2 years ago

7 0

Answer:

-8, 16, -32, 64

Step-by-step explanation:

a1 = -8

r = -2

a2 = -8(-2)=16

a3 = -8(-2)²=-8(4)=-32

a4=-8(-2)³=-8(-8)=64

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ValentinkaMS [17]

Answer:

118

Step-by-step explanation:

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118

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2 years ago

A $70 dollar jacket is on sale for 25%. What is the new price?

nadya68 [22]

25% = 0.25
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2 years ago

Which expression is equivalent to 7/10-2/10

ki77a [65]

Solution:

we have been asked to find

The expression is equivalent to $7/10-2/10$

we can simplify the given expression as below

$\frac{7}{10}-\frac{2}{10}=\frac{7-2}{10}\\ \\ \Rightarrow \frac{7}{10}-\frac{2}{10}=\frac{5}{10}\\ \\ \text{Simplify we get}\\ \\ \frac{7}{10}-\frac{2}{10}=\frac{1}{2}\\$

Hence the simplified expression , equaivalent to the given expression is 1/2.

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2 years ago

Read 2 more answers

What is the radius of a circle in it in if the area is 36m²?

allsm [11]

Answer:

B. 3.39 m

Step-by-step explanation:

r² = A/π

= 36/3.14

= 11.465

r = √11.465 = 3.39

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2 years ago

4/11x10/8<br> What is the answer

aliya0001 [1]

Answer:

5/11

Step-by-step explanation:

4/11 × 10/8

= 40/88

= 5/11

8 0

2 years ago