3 years ago

Please help me asap!

Mathematics

1 answer:

sergejj [24]3 years ago

4 0

Answer:

b: $(x-4)^{2} =12$

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Find the measure of each angle (in degrees) of

d1i1m1o1n [39]

Answer:

∠A = 88°

∠B = 92°

∠C = 88°

∠D = 92°

Step-by-step explanation:

∠A + ∠B = 180°

(2x + 4) + (3x - 34) = 180

reduce:

5x - 30 = 180

5x = 210

x = 42

∠A = 2(42) + 4 = 88°

∠B = 3(42) -34 = 92°

∠C = ∠A = 88°

∠D = ∠B = 92°

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3 years ago

g A researcher conducts a hypothesis test where he compares the scores of a random sample of students' SAT scores to the nationa

elena-s [515]

Answer:

Let level of significance is $\alpha$ =0.05

Since p-value is greater than alpha so students' mean score does not significantly differ from the national average.

Correct option is:

His students' mean score does not significantly differ from the national average, because his p-value is greater than alpha.

Let level of significance is $\alpha$ =0.10

Since p-value is less than alpha so students' mean score does significantly differ from the national average.

Correct option is:

His students' mean score does significantly differ from the national average, because his p-value is less than alpha.

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3 years ago

8 plus 3 cubed over 12-7

Finger [1]

Answer:

Step-by-step explanation:

8+3³/12-7

8+27/5

35/5

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3 years ago

Can someone please answer i will mark brainliest

Dmitrij [34]

A) 2007
b) 120
c) the donations are decreasing as years increase

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The sale price of an item is 0.75 the original price of the item, x.

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Ur answer should be C because it tells more about the question and makes more of a statement.

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4 years ago

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