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Nady [450]
3 years ago
12

Evaluate the expression of 8x - 20 if x=10

Mathematics
1 answer:
Readme [11.4K]3 years ago
4 0

Answer:

60

Step-by-step explanation:

1. Substitute

8 (10) - 20

2. Multiply

80 - 20

3. Subtract

60

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Answer

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3 years ago
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3 years ago
Rectangle poster is 3 times as long as wide perimeter is 24 in
Alexxandr [17]

w= width

l = 3w

P = 2(l+w)

substitute

24 = 2(3w+w)

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3 years ago
Which expression is equivalent to pq?<br> p+q <br> p-a<br> p/q<br> pq
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Answer:

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5 0
2 years ago
In Scarlett's grade, 1/5 of the students have a sister. Of the students who have a sister, 1/4 also have a brother. What fractio
My name is Ann [436]

Answer:

1/20

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In Scarlette grade 1/5 of the students have a sister.

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= 1/5 ×1/4

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3 0
2 years ago
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