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REY [17]
3 years ago
6

Solve the system by substitution -8x+y=-9 y=7

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
6 0
In point for (2,7) and in Equation form x=2 y=7
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Choose only 1 number from the table to evaluate the expression <br>​
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we need to see the table, olease link the pic so I can solve it

8 0
2 years ago
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You randomly choose one marble from the jar. Find the theoretical probability of the event.
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Step-by-step explanation:

4 0
2 years ago
Triangle XYZ was dilated by a scale factor of 2 to create triangle ACB and cos ∠X = 2.5 over 5 and 59 hundredths. Triangles XYZ
adell [148]

Dilation involves changing the size of a shape

<h3>How to determine the relationship between the trigonometry ratios</h3>

From the question, we understand that:

The dilation of triangle XYZ gives triangle ACB

This means that, the following are corresponding points

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  • Points Y and C
  • Points Z and B

The above means that:

The relationships between the trigonometry ratios of both triangles are:

cos(X) = cos(A), cos(Y) = cos(C) and cos(Z) = cos(B)

<h3>How to determine the measures of segments AC and AB</h3>

In (a), segments XY and XZ corresponds to the segments AC and AB

So, the product of the lengths of XY and XZ and the scale factor will result in the lengths of AC and AB,

i.e.

AC = 2 * XY and AB = 2 * XZ

Read more about dilation at:

brainly.com/question/26332230

5 0
2 years ago
44 × 20 × 10 = 440 × 2. but is it true or false ?
Vinil7 [7]
If you would like to know if 44 * 20 * 10 equals to 440 * 2, you can check it like this:

44 * 20 * 10 = 440 * 20 = 8800
and
440 * 2 = 880

So, the correct result is False, because 8800 is not equal to 880.
6 0
3 years ago
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Find the area. Round to the nearest tenth.
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Answer:

40m^2

Step-by-step explanation:

Hope it helps!!:)

6 0
3 years ago
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