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Vaselesa [24]
4 years ago
9

Find the sum of 5x+20 and the opposite of 20. Write an equivalent expression in standard form.

Mathematics
1 answer:
baherus [9]4 years ago
5 0
5x+(-20)=-15x and there you have it
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4. If it costs $18 for 24 pounds of grapes, how much would 8 pounds cost? What is the unit rate?
Anon25 [30]

Answer:

144 and 18

Step-by-step explanation:

18 ×24=432÷3=144

7 0
3 years ago
Which product has 4 zeros after the digit 3?
sveticcg [70]

Answer:

0.03×104=3.12

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4 0
3 years ago
If RT is greater than BA, which correctly compares c and s
Fofino [41]

Answer:


Step-by-step explanation:

The answer is B

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3 0
3 years ago
What is the solution to y=5x+1 and y=-5x+15?
Semenov [28]

Answer:

x=7/5, y=8

Step-by-step explanation:

You can use substitution.

7 0
3 years ago
Read 2 more answers
In the accompanying diagram of parallelogram ABCD,diagonals AC and DB intersect at E, AE = 3x - 4, andEC = x + 12.What is the va
skelet666 [1.2K]

x = 8

Explanation:

AE = 3x - 4

EC = x + 12

SInce diagonals AC and DB intersect at E

it means the lines which meet at the intersection E are equal. A and C meet at E which gives AE and EC

AE = EC

3x - 4 = x + 12

collect like terms:

3x - x = 12 + 4

2x = 16

divide both sides by 2:

2x/2 = 16/2

x = 8

4 0
1 year ago
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