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Novay_Z [31]
3 years ago
7

Evaluate the expression for x= 13, y = 7: y + 5 Enter the correct answer.

Mathematics
2 answers:
lara [203]3 years ago
8 0

Answer:

Step-by-step explanation:

Alenkinab [10]3 years ago
7 0
The answer is 12 because the x does not matter, due to the fact that there is no x in the equation. Hence forth, the answer is 12, because it is 7+5
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Solve for s.<br> -7 = 7s + 28
Zinaida [17]

Answer:

s=  -5

Step-by-step explanation:

have a good day

6 0
3 years ago
Read 2 more answers
12.5 = 3x = 20
kotegsom [21]
The correct answer would be B
7 0
3 years ago
Determine whether the triangles are similar. If so, name the postulate or<br> theorem you used.
Mice21 [21]

Answer:

Yes, AA~

Step-by-step explanation:

because 2 of the angles are the same (90 and 52) they have to be the same. The triangle on the right is known to be 90 degrees because 52+38 is 90 and 180-90 is 90 and a triangle has to add up to 180 degrees

5 0
2 years ago
Susan works as a tutor for $10 and hour, and as a waitress for $11 an hour. This month, she worked a combined total of 90 hours
uysha [10]

Answer:

\$(990-t)

Step-by-step explanation:

The correct question is

Susan works as a tutor for $10 and hour, and as a waitress for $11 an hour. This month, she worked a combined total of 90 hours at her two jobs. Let t be the number of hours Susan worked as a tutor this month. Write an expression for the combined total dollar amount she earned this month

Let

t -----> the number of hours that Susan work as a tutor

y ----> the number of hours that Susan work as a waitress

z ---> the combined total dollar amount she earned this month

we know that

t+y=90

y=90-t-----> equation A

we know that

The combined total dollar amount she earned this month is equal to the number of hours that Susan work as a tutor multiplied by $10 plus the number of hours that Susan work as a waitress multiplied by $11

z=10t+11y ----> equation B

substitute equation A in equation B

z=10t+11(90-t)

z=10t+990-11t

z=990-t

therefore

The expression for the combined total dollar amount is $(990-t)

3 0
3 years ago
a bag contains 6 red 4 blue and 8 green marbles how many of each color should be added so that the total number of marbles is 27
PSYCHO15rus [73]
You would need to add 3 marbles to each group.

4 0
3 years ago
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