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2 years ago

What would a 44% decrease of 13 be?

Mathematics

2 answers:

skad [1K]2 years ago

8 0

Answer: I think it’s 7.28

I HOPE ITS HELP

TEA [102]2 years ago

6 0

Answer:

Step-by-step explanation:

p% = p 'out of one hundred',

p% is read p 'percent',

p% = p/100 = p ÷ 100.

44% = 44/100 = 44 ÷ 100 = 0.44.

100% = 100/100 = 100 ÷ 100 = 1.

Decrease number by 44% of its value.

Percentage decrease = 44% × 13

New value = 13 - Percentage decrease

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Suppose that y varies inversely with x, and y=4 when x=7. What is an equation for the inverse variation

balu736 [363]

Answer:

xy = 28

Step-by-step explanation:

The formula for inverse variation is

xy =k

If y = 4 and x = 7

4*7 = k

28 = k

The equation is xy = 28

8 0

2 years ago

How many numbers multiple of 3 are in the range [2,2000]?

amm1812

Answer: so there are 666 multiples of 3 between 2 and 2000.

Step-by-step explanation:

the smallest number = 3 which is 3*1. The largest number is = 1998 = 3*666

multiples of 3 between {2,2000} = 666-1+1 = 666

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2 years ago

HELP ME IM SO CONFUSED

givi [52]

Answer:

1) 4812 students
2) 763 pounds
3) $30906.76

Step-by-step explanation:

Initial number = 2988
Rate of increase = 10%

Number of students after 6 years:

$a_6 = 2988(1+0.1)^{6-1} = 4812$

Initial number = 1200
Rate of decrease = 14%

Amount of gold after 4 years:

$a_4=1200(1-0.14)^3 = 763$

Initial number = 28000
Rate of increase = 2.5%

Salary after n years:

$a_n=28000(1+0.025)^{n-1} = 28000*1.025^{n-1}$

Salary in the 5th year:

$a_5=28000*1.025^4 = 30906.76$

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2 years ago

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A population grew from 100,000 in 1990 to 124.000 in 2000. What was the percent of increase?

forsale [732]

Answer:

24%

Step-by-step explanation:

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2 years ago

A game consists of randomly choosing a bag (labelled 1, 2 or 3) out of a choice of 100, and then again randomly, picking a ball

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Answer:

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Step-by-step explanation:

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