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Luden [163]
3 years ago
11

Solve each system by substitution Y=2x+7 3x-4y=-13

Mathematics
1 answer:
natali 33 [55]3 years ago
4 0
The correct answer is (-3,1)

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Change 3/2 to a mixed number
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Ethan went bowling on Saturday night. His scores were 128, 97, 123, and 108. What was his average score for the night?
telo118 [61]

Answer:

114

Step-by-step explanation:

97+108+123+128=456

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X²=361/100,<br> please help<br> ​
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3 years ago
Read 2 more answers
A sample of students is taken from the school's A honor roll. The school estimates that there are actually 360 students on the A
Sergio [31]

Answer:

Number of 8th Graders = 360 - X

Step-by-step explanation:

As you can see this question is not complete and lacks the essential data. But we will try to create a mathematical expression to calculate the number of students on the A honor roll which are from 8th grade.

As we know:

Total number of students on the A honor roll = 360

We are asked to calculate, number of students from 8th grade on the A honor  roll.

So, let's assume that "X" represents the all the students who are on the A honor roll except 8th grade.

Mathematical Expression:

Number of 8th Graders = Total number of students on the A honor roll - X

Number of 8th Graders = 360 - X

So, if you know the value of X, you can easily calculate the number of students which are from 8th grade on the A honor roll.

3 0
3 years ago
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