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Natali [406]
3 years ago
15

Please my brother needs help fast for his work

Mathematics
1 answer:
Anastasy [175]3 years ago
4 0

Answer:

Here is what I found:

Step-by-step explanation:

Please mark brainliest :) I hope it helps him!

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6x − 3y = 7, −2x + y = −8 <br><br> x=?<br> y=?
kap26 [50]

Answer:

no solution

Step-by-step explanation:

6x - 3y = 7 → (1)

- 2x + y = - 8 → (2)

multiplying (2) by 3 and adding to (1) eliminates the variables

- 6x + 3y = - 24 → (3)

add (1) and (3) term by term

0 + 0 = - 17

0 = - 17 ← false statement

This indicates the system has no solution

5 0
2 years ago
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What is the surface area of this rectangular prism?
Andrews [41]

the surface area is 160 cm

8 0
3 years ago
the ratio of the similar rectangular prisms is 8 to 10 and the surface area of the smaller solid is 112 cm cubed. what is the su
Schach [20]

Answer:

140

Step-by-step explanation:

10/8 = 1.25

1.25 * 112 = 140

4 0
1 year ago
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100x100 jijjjjjjjjjjjjjiiiiiiiiiiiiiiiiiijjjjjjjjjjjjjjjjuiiiiiii
Shtirlitz [24]

Answer:

10,000

Step-by-step explanation:

6 0
3 years ago
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The vertex of this parabola is at (-1,-3) which of the following could be its equation
Gnesinka [82]
Since these are parabolas with y being squared, the standard form of such a parabola with vertex at (h, k) is 

<span>x = a(y - k)^2 + h </span>

<span>There are no steps. Just look at what is inside the parentheses and compare it to (y - k) with k = -3. </span>
<span>Then look at what is added and compare it to h = -1. </span>

<span>For instance, A has (y + 1) in parentheses. So k = -1. And it has -3 added, so h = -3. That would be a vertex at (-3, -1).</span>
6 0
3 years ago
Read 2 more answers
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