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ddd [48]
3 years ago
6

Which of these strategies would eliminate in the system of equations? x-2y=11 5x+3y=-11

Mathematics
2 answers:
fredd [130]3 years ago
6 0

Answer:b

Step-by-step explanation:If you multiply the top equation by -5 then you will have -5 +5, which is 0, therefore you are eliminating the x value

Sergio039 [100]3 years ago
5 0

Answer:

b

Step-by-step explanation:

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A buyer purchases 75 yards of material for $120. Then an additional 90 yards are ordered. What is the additional cost?
dezoksy [38]

Answer:

$128

Step-by-step explanation:

1. We need to find how much 1 yard of material cost.

If needed, use a calculator*

120/75=1.6

2. Now we need to know how much 15 yards of material cost.

1.6 times 15=24

3. The buyer ordered an additional 90 yards. If we know how much 75 yards cost, and 15 yards, all you have to do is...

120+24=144

90 yards=$144

4. The additional cost is $144

(Note: the total cost would be $264 (120+144=264))

4 0
3 years ago
Which point on the graph best represents the location of left parenthesis minus 4.5 comma space minus 7 right parenthesis ?
Anna11 [10]

Answer:

The answer will be A because you start at 4 and in between 4 and 5 you will go up to 7 and that will be your answer

6 0
2 years ago
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What 5+5=10 5+23#qrka
jolli1 [7]
5+23= 28 .........................
4 0
3 years ago
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Help please ⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️​
Darina [25.2K]

one hour 55 min

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8 0
2 years ago
The difference between three times a number and 7 is 14
Stels [109]
3x -7 = 14

3x - 7 (+7) = 14 (+7)

3x = 21

3x/3 = 21/3

x = 7

hope this helps
6 0
3 years ago
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