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sergij07 [2.7K]
3 years ago
13

Systems of equations - substitution method -8x+7y=10 Y=3x+7

Mathematics
1 answer:
andre [41]3 years ago
5 0

Answer:

<h2>x= -3 , y = -2</h2>

Step-by-step explanation:

<h3> <em>Hope </em><em>it </em><em>helps </em><em>you.</em><em>.</em><em>.</em><em>.</em></h3><h2>Mark this answer as brainliest</h2>

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4 0
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What is negative 3÷0
Gnoma [55]
Division by zero is undefined. That is a impossible question  
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3 years ago
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Suppose you just received a job offer with a starting salary of $37,000 per year and a guaranteed raise of $1500 per year. How m
Taya2010 [7]
Based on the given description above, here is how we are going to solve it.
Let n be the number of years. So the equation will be like this.
37000n + 1500n = 1025000
Now let us solve for n.
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Therefore, it will take 26 years and 6 months before you made a total salary of 1,025,000 dollars. Hope that this answer helps.
8 0
3 years ago
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To make concrete, the ratio of cement to sand is 1 : 3. If cement and sand are sold in bags of equal mass, how many bags of ceme
kotykmax [81]

Answer:

5 bags of cement are required.

Step-by-step explanation:

Since to make concrete, the ratio of cement to sand is 1: 3, if cement and sand are sold in bags of equal mass, to determine how many bags of cement are required to make concrete using 15 bags of sand the following calculation must be done:

Cement = 1

Sand = 3

3 = 15

1 = X

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Therefore, 5 bags of cement are required.

3 0
3 years ago
The ratio of the corresponding side lengths is 10:7 What is the ratio of the areas?
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4 0
4 years ago
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