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Art [367]
3 years ago
15

The variables a and b vary directly. Use the given values for a and b to write an equation relating a and b

Mathematics
2 answers:
Alenkasestr [34]3 years ago
5 0

Answer:

a = 1/5 b

Step-by-step explanation:

Morgarella [4.7K]3 years ago
3 0

Answer:

a = 1/5 b

Step-by-step explanation:

A direct variation is given by

a = k*b where k is the constant of variation

3 = k* 15

Divide each side by 15

3/15 = k*15/15

1/5 = k

a = 1/5 b

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PAST DUE DATE PLEASE HELP. whats is the surface are of this figure​
Setler79 [48]

Answer:

A = 2.83 feet²

Step-by-step explanation:

From the attached figure,

Length of the cube, l = 1.5 ft

Breadth of thecube, b = 0.5 ft

Height of the cube, h = 4 inches

We need to find the surface area of this figure.

We know that : 1 foot = 12 inch

4 inches = 0.334 foot

It is in the form of a cubiod. The formula for the surface area of a cuboid is given by :

A = 2(lb+bh+hl)

Put all the values in the above formula :

A = 2(1.5×0.5+0.5×0.334 +0.334×1.5)

A = 2.83 feet²

So, the surface area of this figure is 2.83 feet².

3 0
2 years ago
What percent of 600 is 3 3/4?
neonofarm [45]
The percent is .635% and the fraction form is 127/200
5 0
2 years ago
Read 2 more answers
The federal government spends $25.2 million each year to operate parks and historic sites in Washington D.C. This is $7.8 millio
Ray Of Light [21]

Answer:

y + 7.8 = 25.2

y = 17.4

Step-by-step explanation:

y + 7.8 = 25.2

(now we solve the equation .... we substract 7.8 from each side of the equation )

y = 25.2 - 7.8

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5 0
3 years ago
Could someone pls help me if you know it thank you!:)
fenix001 [56]

Answer:

30

Step-by-step explanation:

The full pie chart will equal 100%

So we can add all the percentages together and then subtract that percentage from 100 and whatever's left is the parentage that they attend school.

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100-70

30

They spend 30% attending school

Don't be afraid to reach out for further assistance. Hope this helps!

4 0
2 years ago
Lincoln invested $15,000 in an account paying an interest rate of 3\tfrac{1}{2}3 2 1 ​ % compounded continuously. Harper investe
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Answer:

54750

Step-by-step explanation:

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