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VladimirAG [237]
3 years ago
9

It's about 5 AM, haven't slept in 28 hours, need help.

Mathematics
1 answer:
Minchanka [31]3 years ago
7 0

Answer:

2nd option

Step-by-step explanation:

8x^{4} - 4x³ - x + 2 - (2x^{4} - 8x² - x + 10) ← distribute by - 1

= 8x^{4} - 4x³ - x + 2 - 2x^{4} + 8x² + x - 10 ← collect like terms

= 6x^{4} - 4x³ + 8x² - 8

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Without using a calculator, choose the statement that best describes the value of the square root of 46
allochka39001 [22]

Answer:

The value of √46 is between 6.5 and 7.

Step-by-step explanation:

We can use perfect squares to solve this problem.

1² = 1

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Therefore, using this information, we can see that clearly the value of 46 is closer to 49, meaning that the square root of 46 is between 6.5 and 7.

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The pair of triangles that are congruent by ASA criterion is
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Answer:

The pair of triangles that are congruent by the ASA criterion isΔ ABC and Δ XYZ.

The pair of triangles that are congruent by the SAS criterion is Δ BAC and ΔRQP.

Step-by-step explanation:

Two triangles are congruent by ASA property if any two angles and their included side are equal in both triangles .In triangles Δ ABC and Δ XYZ the equal side 5 is between the two equal angles. So these triangles are congruent by ASA criterion.

Two triangles are congruent by SAS if  two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle .In triangles  Δ BAC and ΔRQP. the included angles A and Q are equal and hence the triangles are congruent by SAS criterion.

4 0
3 years ago
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