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Pavlova-9 [17]
2 years ago
8

2x-3y = -7 -4x+6y = -10

Mathematics
1 answer:
maria [59]2 years ago
3 0

Answer:

-8

Step-by-step explanation:

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An architect has his floor plan for a house he is building. The foundation for the house has already been laid and measures 300
wlad13 [49]

Answer:

12

Step-by-step explanation:

You divide 300 by 25

300/25=12

His house is 12 in long on the floor plan

7 0
3 years ago
If line A contains Q(5,1) and is parallel to line MN with M(-2,4) and N(2,1), which ordered pair would be on the perpendicular t
vivado [14]
Your question does not say what were your options, therefore I will answer generically: in order to understand if a point (ordered pair) is contained in a line, you need to substitute the x-component of the pair in the equation of the line and see if the calculations give you the y-component of the pair.

Example:
Your line is <span> y = 4/3x + 1/3
Let's see if <span>(0, 0) and (2, 3) </span>belong to this line

y</span> = <span>4/3·0 + 1/3 = 1/3 </span>≠ 0
Therefore, the line does not contain (0, 0)

y = 4/3·2 + 1/3 = 9/3 = 3
Therefore, the line contains (2, 3)

6 0
2 years ago
Read 2 more answers
Which ratio is equivalent to 4:10?<br> A:2/5<br> B.8/10<br> C:12/16<br> D:16/10
Dmitriy789 [7]

Answer:

option A 2/5 is the answer

5 0
2 years ago
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Use sigma notation to represent the following series for the first 12 terms. 2 +(-8) +32 + (-128) + .
Marysya12 [62]
\displaystyle\sum_{i = 1}^{12} 2(-4)^{i-1}
7 0
3 years ago
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A crop scientist is conducting research with a drought resistant corn hybrid. She is interested in determining if increasing the
sdas [7]

Answer:

A , B and E.

Step-by-step explanation:

the scientist can control and deal with the measure of manure that is given to a solitary corn plants. thus A is correct.

The reaction variable is the yield recorded for each plot due to the fact that the yield recorded in each plot is needed to check  whether the compost is given or not. choice B is also correct

it's considered an experiment because the specialist is controlling the autonomous variable. then E is a right choice.

3 0
3 years ago
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