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3 years ago

Why is it important to solve an equation for a specific variable?

1 answer:

8 0

It all depends on the importance of the variable its self. Its important to solve it so you know what the variable is and its important to solve one at a time because its impossible to solve a variable completely if you have two of them

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What do i do for 8 times 9 to the 4th power?? please show your work....Thankyou! <3

Nookie1986 [14]

52488 because 9 times 9 is 81, 81 times 9 equals 729, 729 times 9 equals 6561. 6561 x 8 = 52488

4 0

3 years ago

Besides phone numbers, what are the other categorical variables in your survey? (The survey asks for family size, the kind of pe

Firdavs [7]

Answer:

I believe it would be C.

Step-by-step explanation:

8 0

3 years ago

Select the choice that translates the following verbal phrase correctly to algebra: y less than 21

8_murik_8 [283]

Y less than 21 = 21 - y

Remember, "less than" indicates a subtraction with the terms in inverted order.

Hope I helped!

4 0

3 years ago

Read 2 more answers

The circumference C of a circle is equal to the product of π and the diameter d.

Lelu [443]

C=3.14 • d

3.14 is pi as a number but it’s non ending :3

D is diameter

C is circumference

Since it said the product of pi and diameter it means d or diameter times pi is c or circumference.

So if

D= i don’t n know maybe 5 find what’s c or te circumference.

So 5 multiplyed by pi or 3.14 is your circumference!

If u need help with the problem please don’t hesitate to ask me! And am purely her to help!!! :3

8 0

3 years ago

Read 2 more answers

Mr. Smith built a rectangular-shaped sandbox for his children, measuring 4 feet by 4 feet by 6 inches. Sand has a density of app

ehidna [41]

Answer:

To completely fill the sandbox will cost $56

Step-by-step explanation:

First, we calculate volume of the rectangular-shaped sandbox:

$V=long*with*height\\V=4feet*4feet*0.5feet\\V=8cubicfoot$

We know that density of sand is 100 pounds per cubic foot. Then, to fill the sand box that has a volume of 8 cubic foot, we calculate by rule 3:

1cubic foot..............100 pounds

8 cubic foot.............x pounds

$x=\frac{8*100}{1}$

$x=800 pounds$

We will need 800 pounds of sand to fill the sandbox, then we can calculate by rule 3 the number of bags needed and next the total cost of them:

50 pounds.......1bag

800 pounds.....x bags

$x=\frac{800*1}{50} \\x=16$

To calculate the cost:

1 bag ..................$3.50

16 bags.................$x

$x=16*3.50\\x=$56$

To completely fill the sandbox will cost $56

4 0

3 years ago