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3 years ago

Use inverse operation to solve it. Show all steps 19= h/3 -8

Mathematics

1 answer:

inysia [295]3 years ago

8 0

<h3><u>The value of h is equal to 81.</u></h3>

19 = (h/3) - 8

Multiply all terms by 3.

57 = h - 24

Add 24 to both sides.

81 = h

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Find the circumference of a circle with a radius of 35 inches in terms of 7 and to the nearest tenth of an inch.

Lera25 [3.4K]

Answer and Step-by-step explanation:

The circumference formula for a circle is:

C = $2\pi r$

Plug 35 in for r (radius) and solve.

C = $(35) 2\pi\\\\C = 70\pi\\\\C = 219.9$

So, approximately 219.9 $in^2$ is the answer.

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2 years ago

Here are two sets of numbers, a and b. Set a :200,104,100,160. Set b: 270,400,483,300, x. Mean of set a: mean of set b= 3:8. Wor

LenKa [72]

Given:

The given sets are:

Set a : 200, 104, 100, 160.

Set b: 270, 400, 483, 300, x.

Mean of set a: mean of set b= 3:8

To find:

The value of x.

Solution:

Formula for mean:

$Mean=\dfrac{\text{Sum of observations}}{\text{Number of observation}}$

The mean of set of a is:

$Mean=\dfrac{200+104+100+160}{4}$

$Mean=\dfrac{564}{4}$

$Mean=141$

The mean of set of b is:

$Mean=\dfrac{270+400+483+300+x}{5}$

$Mean=\dfrac{1453+x}{5}$

It is given that,

Mean of set a: mean of set b= 3:8

$\dfrac{141}{\dfrac{1453+x}{5}}=\dfrac{3}{8}$

$\dfrac{705}{1453+x}=\dfrac{3}{8}$

$8\times 705=3\times (1453+x)$

$5640=4359
+3x$

Isolate the variable x.

$5640-4359
=3x$

$1281
=3x$

Divide both sides by 3.

$\dfrac{1281}{3}
=x$

$427
=x$

Therefore, the value of x is 427.

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2 years ago

Jeremiah ran 5.6 miles every day for<br> 2 weeks. How many miles did he run<br> in all?

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Answer:

78.4 miles

Step-by-step explanation:

Since there are 14 days in two weeks, you multiply 5.6 miles times 14 days to get 78.4 miles in total since 5.6 is how much he ran every DAY

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2 years ago

James has a lot of games. Samuel, his friend, has 4 times as many games as James. Write an algebraic expression to represent how

viva [34]

Answer: The answer is given below

Step-by-step explanation:

From the question, James has a lot of games while his friend Samuel, has 4 times as many games as James.

Let the number of games James has be represented by g.

Since Samuel has 4 times as many games as James, then Samuel's game will be:

= 4 × g

= 4g

The expression for James is g.

The expression for Samuel is 4g.

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3 years ago

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iragen [17]

Answer:

Step-by-step explanation:

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2 years ago