3 years ago

It rained 18 days during the month of April. What percent of the days during the month of April did it not rain?

Mathematics

1 answer:

Morgarella [4.7K]3 years ago

6 0

The percent that it rained in April would be 5.4%

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John’s father is 5 times older than John and John is twice as old as his sister Alice. In two years time, the sum of their ages

oksano4ka [1.4K]

Answer:

John’s age is 8 years

Step-by-step explanation:

Let

x -----> John’s father's age

y -----> John’s age

z -----> John’s sister's age

we know that

$x=5y$ -----> equation A

$y=2z$

$z=y/2$ -----> equation B

$(x+2)+(y+2)+(z+2)=58$

$x+y+z+6=58$

$x+y+z=52$ -----> equation C

Substitute equation A and equation B in equation C and solve for y

$5y+y+y/2=52$

Multiply by 2 both sides to remove the fraction

$10y+2y+y=104$

$13y=104$

$y=8$

<em>Find the value of x</em>

$x=5(8)=40$

<em>Find the value of z</em>

$z=8/2=4$

therefore

John’s father's age is 40 years

John’s age is 8 years

John’s sister's age is 4 years

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3 years ago

Which is the equation for the line that has a slope of 12 and passes through the point (3, 20)?

sasho [114]

Answer:

y=12x-16

Step-by-step explanation:

y-y1=m(x-x1)

y-20=12(x-3)

y=12x-36+20

y=12x-16

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A rectangle has a perimeter of 182 in and length of 52 in. What is the width?

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Check the picture below.

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2/3, 24%, 0.61 least to greasiest

Semmy [17]

24% .61 2/3 two thirds is .66 24% is .24 and .61 is .61

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The discount store is having a big sale. Paper towels are two rolls for $1. Laundry detergent is $3 a box. If Serena buys two ro

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Step-by-step explanation:

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4 years ago

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