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coldgirl [10]
3 years ago
5

7) Newton sees 50 frogs in the morning, and 7 fewer frogs in the

Mathematics
1 answer:
mario62 [17]3 years ago
8 0

Answer:

93

Step-by-step explanation:

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**Solve by Elimination<br> 3 + 2x - y = 0<br> -3-7y = 10x<br> 7) x =<br> 8) y =
timofeeve [1]
Answer:

Explanation:

3 + 2x - y = 0
Or 2x - y = -3 (1)

-3-7y = 10x
Or -10x - 7y = 3 (2)

2x - y = -3 (1)
-10x - 7y = 3 (2)
———————

Multiply 5 to (1)

5(2x - y = -3)
-10x - 7y = 3
———————
10x - 5y = -15
-10x - 7y = 3
———————
-12y = -12
y = -12/-12
y = 1

Plug y value in (1)

2x - 1 = -3
2x = -3 + 1
2x = -2
x = -2/2 = -1

Therefore, x = -1 and y = 1
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2 years ago
In 1980, in Great Falls, Montana, the temperature rose from 32 °F to 15 °F in seven minutes. How much did the temperature increa
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17 degrees Fahrenheit
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Use the information to answer the following question.
svlad2 [7]
Since he starts with (10x+7) dollars and is buying two pairs of jeans that each cost (4x-5) dollars you should subtract the cost of the jeans from his starting amount.

(10x+7)-2(4x-5)=
10x+7-8x+10=
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2 years ago
What is the equation for: 32 is the sum of a number x and 9
KengaRu [80]

Answer:

x + 9 = 32

Step-by-step explanation:

answer for x is 32 - 9 = 23

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2 years ago
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