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Lynna [10]
3 years ago
6

Factor.

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
4 0
15x^3-12x

Begin with sorting out what 15x^3 and 12x have in common

15 and 12 are both divisible by 3, so divide 3 by both 15 and 12 and put 3 on the outside.

15x^3 and 12x also both have an x in common, so divide the x's (which is basically subtracting them).

3x(5x^2-4)

B
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3 years ago
In 2007, the first generation of the i-phone sold for $499. The average cost of an i-phone today is $999. At a press conference
Gwar [14]

Answer: the statement made by Tim Cook is TRUE

Step-by-step explanation:

Given that;

in 2007 cost of 1st gen iphone = $499 (base year price)

cost of iphone today = $999 (current year price)

Using the Consumer Price Index

the Consumer Price Index = (cost pf product in current years/cost of product base year) × 100

we substitute

CPI  = (999/499) × 100

CPI  = 200.2004

so the CPI is 100.2004% higher in the current year than in the base year

Checking the inflation rate

IR = (( CPI this year- CPI last year)/CPI last year) × 100

CPI last year (base year) = 100

CPI current year is = 100.2004

so

IR = (( 100.2004 - 100)/100) × 100

IR = 0.002004 × 100

IR = 0.2004%

THEREFORE the statement made by Tim Cook is TRUE

3 0
3 years ago
A colored ball was drawn out of a bag with replacement. What is
Tresset [83]

Answer:

a

.Step-by-step explanation:

5 0
3 years ago
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Answer:

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Step-by-step explanation:

yeah i think thats right trust

4 0
2 years ago
Which rule represent the reduction of a figure?
vazorg [7]

Answer:

Correct option: second one

Step-by-step explanation:

Let's check each option to find the correct one.

First option: x and y increase by 2.3 times, so the figure expands. So this is not the correct option.

Second option: x and y decrease 0.52 times, so the figure is reduced. So this is the correct option.

Third option: x and y are translated by 1/3 of their position, so the figure is not reduced.

Fourth option: x and y increase by 7/2 times, so the figure expands. So this is not the correct option.

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5 0
2 years ago
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