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ehidna [41]
3 years ago
14

Anna charges $8.50 per hour to babysit. How much will she earn in 3,3 1/2,4 hours?

Mathematics
1 answer:
elena-s [515]3 years ago
3 0
In 3 hours she will earn $25.50 because I just multiplied the amount of hours to amount of money. For the next one do 31 x 8.50 and you get the amount.
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4(3x+5)=6(x+8)-x someone please help me with this equation
zvonat [6]

Answer:

x=4

Step-by-step explanation:

4(3x+5)=6(x+8)-x

Distribute

12x +20 = 6x +48 -x

Combine like terms

12x+20 = 5x+48

Subtract 5x from each side

12x-5x +20 = 5x-5x+48

7x +20 = 48

Subtract 20 from each side

7x+20-20 = 48-20

7x = 28

Divide each side by 7

7x/7 = 28/7

x = 4

7 0
3 years ago
Read 2 more answers
The volume of a rectangular prism is 420 cubic centimeters. The length, L, is 6 centimeters and the width, W, is 14 centimeters.
Harman [31]

Answer:

5 centimeters

Step-by-step explanation:

We know the equation to find volume is V = B x h, where B is the base of the prism. (It is also known as the simple V = l x w x h.)

No matter what equation you use, you will end up with V = l x w x h, since the base of a rectangular prism is length x width. So, we're going to plug in our known information to get 420 = 6 x 14 x h.

Then, we're going to multiply 6 x 14 to get 84. Now we have 420 = 84 x h. To isolate the h (in order to find what it is), we must divide both sides by 84.

420/84  = 5, so whats left of the equation is 5 = h, meaning your height is 5 centimeters.

4 0
3 years ago
Which size bottle of ketchup is the best deal with the lowest unit price?
tresset_1 [31]
The answer is 18 oz the others come out to below .3 per ounce but the 18 comes out to 30 cents an ounce
8 0
3 years ago
For f(x)=4x+11, what is the value of f(15)?
OLEGan [10]
71 is the answer

4 x 15 +11= 71
7 0
3 years ago
Please help will make you brainliest, <br>make r the subject of m=n+<img src="https://tex.z-dn.net/?f=%5Csqrt%7Bh%5E%7B2%7D%20%2
LekaFEV [45]

●✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎❀✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎●

             Hi my lil bunny!

❧⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯☙

Take the root of both sides and solve.

r = \sqrt{( m - n + h ) ( m - n - h)} \\r = \sqrt{( m - n + h ) ( m - n - h)} \\

❧⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯☙

●✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎❀✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎●

Hope this helped you.

Could you maybe give brainliest..?

❀*May*❀

3 0
3 years ago
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