Need help with 7,8,9,10 please help me

Answers

Answer 1

Answer: make sure and use distributive property on the ones multiplying by what’s in the parentheses

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Your aunt gives you a fish tank that holds 48 quarts of water. You can buy saltwater for the tank but only by the gallon. How many gallons of saltwater do you need to fill the tank?
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24+3x=3x+3(7-1) What does x equal? Please show me how to do it I don't want the answer. (Well I do but show me how to get it also pleaz) Lease help this is due tomorrow!

Answers

24 + 3x = 3x + 3(7 - 1)

Eliminate the parentheses: 24 + 3x = 3x + 3(6)

24 + 3x = 3x + 18

Subtract 3x from each side: 24 = 18

Look at that for a second. Can ANY value of 'x' make 24 equal to 18 ?
I don't think so.
There's NO number that makes the equation a true statement.

That's just another way to say: "The equation has NO solution."

What would be the answer?

Answers

ANSWER

The equation is used to find out the length of each side of tank is

3,375 = s³

Reason

As given in the question the shape of the tank is cube.

FORMULA

Volume of cube = s³

where s represented the side of a cube.

volume of cube = 3375 cubic feet

put the value in the above equation

we get

3375 = s ³

∛ 3375 = s

Therefore

s = 15 feet

Hence the equation is used to find out the length of the tank is 3,375 = s³

Hence proved

1st?- cynthia paid $0.20 per hobby magazine at a tag sale. She bought half of all the magazines that were for sale and paid $10. How many magazines were there in all?2nd?-in the first problem, the amount of money cynthia pays is a function of the number of magazines she bought.
a- write an equation that shows what cynthia pays dollars (d) for the number of magazines (m) shes buys.
b- make a function table with four (m,d) pairs of your choosing that satisfy the function.

Answers

1. She paid .2 per magazine, so .2*number of magazines = 10. So the number of magazines she bought was 10/.2, or 50. Since that was only half of them, there were 100 total.
2. a d=.2m
b. You make a function table. Just plug the points into d=.2m

Answer:

1. 50 magazines

a. m= d times $0.20

b. I dont know but i go 1 and 2a.

Which expression correctly represents “ten times the difference of a number and six”

Answers

Answer:

Expression will be 10(x - 6).

Step-by-step explanation:

Let the given number is x.

Difference of this number and 6 will be represented by

(x - 6)

Then ten times the difference of this number and 6 will be represented by

10(x - 6)

Therefore, the statement " ten times the difference of a number and six " will be represented by the expression 10(x - 6)

Answer:

10 * (m * 6)

Step-by-step explanation:

hope thats alright!

C=3.14d solve for d

Answers

you would divide both sides by 3.14, to get d by itself. so c/3.14=d

$3.14d=c\ \ \ \ |divide\ both\ sides\ by\ 3.14\n\nd=(c)/(3.14)\n\nd=(100c)/(314)\n\nd=(50c)/(157)$

Can anyone help me with this one? i don't understand this worksheet at all.

Answers

12^-6/12^7

When dividing the only thing you do is subtract the exponents from each other.

-6-7

In this case, you have to subtract a number from a negative. -6-7 would actually be -6+-7.

-6+-7= -13

12^-13 is the final answer

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NEED HELP ASAP!!! WILL GIVE BRAINLIEST!!!!