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antiseptic1488 [7]
3 years ago
9

Simplify the expression below. (6-3)(66)

Mathematics
1 answer:
irinina [24]3 years ago
6 0

Answer:

198

Step-by-step explanation:

(6-3) x 66 subtract

3x66 multiply

198

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What value in place of the question mark makes the polynomial below a perfect square trinomial ?
gregori [183]

Answer:

Option D is correct.

Step-by-step explanation:

We have been given x^2+22x+?

We need to tell which one of them will give the perfect square trinomial.

Trinomial is the polynomial with three terms.

x^2+22x+121

If we factorize it by middle term splitting we get:

x^2+11x+11x+121

\Rightarrow x(x+11)+11(x+11)

\Rightarrow (x+11)(x+11)

\Rightarrow (x+11)^2  is the perfect square trinomial.

Therefore, option D is correct

4 0
3 years ago
Read 2 more answers
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Kay [80]

Answer:

3n-1+8n+5

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Let me know if this helps!

3 0
3 years ago
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ExtremeBDS [4]

Answer:

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Step-by-step explanation:

5 0
3 years ago
It is believed that students who begin studying for final exams a week before the test score differently than students who wait
olga55 [171]

Answer:

H0 : μ1 = μ2

H0 : μ1 < μ2

Step-by-step explanation:

Given :

Early studiers, group 1, mean μ1

Late studiers, group 2 ; mean, μ2

To test the claim that students who study earlier have an average score that is less than the average score for students

The null hypothesis ; there is no difference in average score

H0 : μ1 = μ2

Alternative hypothesis is early studiers means is less than average score of late studiers

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7 0
4 years ago
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Veseljchak [2.6K]
Angle Y = 104 degrees
Angle X = 70 degrees
7 0
4 years ago
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