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Likurg_2 [28]
3 years ago
8

Calvin wants to buy for books at 4.89 dollars each estimate how much change will get back from two $10 bills

Mathematics
2 answers:
Lemur [1.5K]3 years ago
7 0

Answer:

44 cents

Step-by-step explanation:

Murrr4er [49]3 years ago
5 0

Answer:

5.1 dollars

Step-by-step explanation:

estimate-round 4.89 to 4.90 and subtract from 10.00

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If f(x)=x-5 and g(x)=3x+11, find (f+g)(x).
lawyer [7]

Answer:

4x+6

Step-by-step explanation:

x-5+(3x+11)=4x+6

4 0
3 years ago
can you solve the question but tell me how to do it I'm trying to study but don't know how to solve it?
Vedmedyk [2.9K]

Answer:

8x+19=9x+9

Step-by-step explanation:

Simplifying

(8x + 19) = (9x + 9)

Reorder the terms:

(19 + 8x) = (9x + 9)

Remove parenthesis around (19 + 8x)

19 + 8x = (9x + 9)

Reorder the terms:

19 + 8x = (9 + 9x)

Remove parenthesis around (9 + 9x)

19 + 8x = 9 + 9x

Solving

19 + 8x = 9 + 9x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-9x' to each side of the equation.

19 + 8x + -9x = 9 + 9x + -9x

Combine like terms: 8x + -9x = -1x

19 + -1x = 9 + 9x + -9x

Combine like terms: 9x + -9x = 0

19 + -1x = 9 + 0

19 + -1x = 9

Add '-19' to each side of the equation.

19 + -19 + -1x = 9 + -19

Combine like terms: 19 + -19 = 0

0 + -1x = 9 + -19

-1x = 9 + -19

Combine like terms: 9 + -19 = -10

-1x = -10

Divide each side by '-1'.

x = 10

Simplifying

x = 10

6 0
1 year ago
Read 2 more answers
4 * (3.4+2)-(56 divided by 7)= 13.6, please give an explanation to this problem!!
Vika [28.1K]

Answer:

=13.6

Step-by-step explanation:

\mathrm{Remove\:parentheses}:\quad \left(a\right)=a

=4\left(3.4+2\right)-\frac{56}{7}

=21.6-8

\mathrm{Subtract\:the\:numbers:}\:21.6-8=13.6

=13.6

7 0
3 years ago
2/3 of a cherry pie is left .Supposed 4 friends want to share it equally what fraction names how much the whole pie each friend
ycow [4]
You would divide the 2/3 by 4 which would be 1.6 recurring and then put that back into a fraction which would be 1/6. I'm not sure if his is correct but this what is learnt ♡♡chyna
8 0
3 years ago
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Is 54 prime or composite?
sineoko [7]

Answer:i guess yes

Step-by-step explanation:

6 0
3 years ago
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