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sergiy2304 [10]
3 years ago
7

Sarah has 6 more marbles than Jane. Two times Jane's plus 3 times Sarah's is 68. How many marbles does Jane have?

Mathematics
2 answers:
Brums [2.3K]3 years ago
4 0

Answer:

answer is 10

Step-by-step explanation:

monitta3 years ago
3 0

Answer:

10

Step-by-step explanation:

Construct the equation

Let S=Sarah J=Jane

S=J+6

2J+3S = 68

Using substitution you can get

3(J+6)+2J = 68

5J + 18 = 68

5J = 50

J= 10

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Natalija [7]

Answer:

40x+32y\leq 5,000\\x\geq 0, y\geq 0

Step-by-step explanation:

Let the number of acre of corn planted =x

Let the number of acre of soybeans planted =y

Seed costs for a farmer are $40 per acre for corn and $32 per acre for soybeans.

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The farmer wants to spend no more than $5,000 on seed.

Therefore the linear inequality is:

40x+32y\leq 5,000\\x\geq 0, y\geq 0

Next, we graph the inequality

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The graph is attached below.

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3 years ago
What is an equation of the line that passes through the points (-1, 6) (−1,6) and (-1, -5) (−1,−5)
slavikrds [6]

Answer:

x = -1

Step-by-step explanation:

You can write the equation of the line by finding the slope between the points and substitute it with a point into the point slope form.

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These points have a slope which is undefined. This means it is a vertical line that crosses through the x-axis at the x-coordinate of both points -1. The equation is x = -1.

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(PLS HELP)<br> Choices:<br> A. 120cm<br> B. 117cm<br> C. 101cm<br> D. 350cm
weeeeeb [17]

Answer:

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Step-by-step explanation:

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