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Elanso [62]
3 years ago
5

What is the solution of the system? Use the elimination method.

Mathematics
1 answer:
Yuki888 [10]3 years ago
7 0
I got D.There is no solution
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−2x−(−5−4x)=−5(2x−7)
hoa [83]

Answer:

<em>x = 2.5</em>

Step-by-step explanation:

- 2x - ( - 5 - 4x ) =  - 5 ( 2x - 7 )

- 2x + 5 + 4x = - 10x + 35

- 2x + 5 + 4x = - 10x + 35

- 2x + 4x + 10x = 35 - 5

12x = 30

<em>x = </em>\frac{5}{2}<em> = 2.5</em>

Check the answer:

<em>L.H.S.</em> = - 2(2.5) - [ - 5 - 4(2.5) ] = <em>10</em>

<em>R.H.S.</em> = - 5 [ 2(2.5) - 7 ] = <em>10</em>

6 0
3 years ago
0.05 is 10 times what number
Alinara [238K]

Answer

0.5

Step-by-step explanation:

5 0
2 years ago
amy has 3 pounds of raisins. she divides the raisins equally int 12 bags. how many pounds of raisins are in each bag? tell how m
larisa [96]
There is a decimal between the 3 and the 0

4 0
3 years ago
Read 2 more answers
Please help me 7th grade math operations with rational numbers
Katena32 [7]
1. Stock Market:
If a stock price decreased $2 per day for four days, then the total change in value of the stock is $8. (2 x 4)
Answer: $8.

2. Evaporation:
With the given information, we can infer that if 3 inches of water in a tank decreases each week, then 15 inches of water would decrease over the course of 5 weeks. (3 x 5)
Answer: 15 inches.

3. Football:
If a football team lost 9 yards on 3 consecutive plays, then the team's total change in position is 27 yards. (9 x 3)
Answer: 27 yards.

Hope this helps! Good luck.
5 0
3 years ago
You have a Bread recipe:- 500 g flour 2 teaspoons salt 7 g dry yeast 4 tablespoons olive oil 300 ml water If you’re scaling down
makvit [3.9K]

Answer:

228 grams

Step-by-step explanation:

500/2=250

7*4=28

300-250=50

250-50-+28=228

6 0
3 years ago
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