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iren [92.7K]
4 years ago
12

Find the next three terms of the sequence 5,-10,20,-40

Mathematics
2 answers:
valkas [14]4 years ago
8 0

Answer:

200,-1000,5000

Step-by-step explanation:

First we need to find the common ratio

Take the second term and divide by the first

-10/2 = -5

To find the 5th term take the 4th term and multiply by the common ratio

-40*-5 = 200

To find the 6th term take the 5th term and multiply by the common ratio

200 *-5 = -1000

To find the 7th term take the 6th term and multiply by the common ratio

-1000*-5 = 5000

Mazyrski [523]4 years ago
8 0

Answer:

80, -160, 320

Step-by-step explanation:

5,-10,20,-40

It's a Geometric sequence with:

r = -10/5 = -2

-40 × -2 = 80

80 × -2 = -160

-160 × -2 = 320

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Lana71 [14]

Answer:

the height of the water in the pool is 2m

Step-by-step explanation:

This problem bothers on the mensuration of solids.

Given data

Volume of pool v= 270m³

Base length l= 15m

Base width b= 9m

Height h=?

The pool takes the shape of a rectangular prism

The expression for the volume of the pool is

v= l*b*h

Substituting our given data we have

270= 15*9*h

270= 135h

h= 270/135

h= 2

Therefore the height h =2m

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4 years ago
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dezoksy [38]

22.6% of 65 is 14.69


65×22.6/100=14.69

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Mr. Rodriguez has owned his truck for 3 months. In that time, he has driven the truck a total of 45 miles.
marishachu [46]

Answer:

45 miles

Step-by-step explanation:

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A letter is chosen from the word ROCK and a standard die is rolled. What is the probability that you will get a "vowel and then
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Find the range f(x)=2x-3 for the domain {-1, 0, 4, 7}
Yakvenalex [24]

Answer:

The set of output values are (1,3,11,17) as Range

Step-by-step explanation:

Given function is f(x)=2x-3 and domain  is (-1,0,4,7)

Function is given that taking set of input values from domain and give out set of output values.

For x=(-1)

f(x)=2x-3

f(-1)=2(-1)+3=(-2)+3=1

For x=0

f(x)=2x-3

f(0)=2(0)+3=3

For x=4

f(x)=2x-3

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For x=7

f(x)=2x-3

f(7)=2(7)+3=14+3=17

Thus,

The set of output values are (1,3,11,17) as Range

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