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Pavel [41]
4 years ago
7

What is the answer to this

Mathematics
1 answer:
GalinKa [24]4 years ago
3 0

2, 67, and 83 are all prime. 63 and 91 are composite. For the bottom question the answer is A and B.

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Use the Product Property for Exponents to explain why x · x = x2.
Lubov Fominskaja [6]

Whenever there is no exponent on a variable,

you can give it an exponent of 1.

So we can rewrite the x's in this problem as x¹.

When we multiply two terms together

with like bases, we add their exponents.

So now just add their exponents to get x².

3 0
3 years ago
Solve <br> 5x+y=-17 8x-3y=-18
Olenka [21]

Answer:

x = -3

y = -2

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
9. Find the point of intersection of the lines: y = 4x + 1 and y = - 2x + 4 A. (2,9) B.(1/2,3) C. (1,2) D. (1/4,2)
Colt1911 [192]

Step-by-step explanation:

y = 4x + 1 and y = -2x + 4

4x + 1 = -2x + 4, 6x = 3, x = 0.5

When x = 0.5, y = 4(0.5) + 1 = 3.

The point of intersection is (0.5, 3). (B)

3 0
3 years ago
Read 2 more answers
Express the null hypothesis and the alternative hypothesis in symbolic form that would be used for a hypothesis test. A psycholo
deff fn [24]

Answer:

Null Hypothesis

                 H₀ :  P = 3.8

Alternative Hypothesis

                 H₁: P > 3.8

Step-by-step explanation:

<u><em>Explanation</em></u>:-

<u><em>Null Hypothesis</em></u> :-

 The single statistic, H₀ will be that the sample statistic

H₀ : There is does not differ significantly from hypothetical parameter values

H₀ :  P = 3.8

<u><em>Alternative Hypothesis:</em></u>

The statistic , H₁ will be the sample statistic

H₁: There is  differ significantly from hypothetical parameter values

H₁: P > 3.8

7 0
3 years ago
Please help!<br> 5x^2 - 3x - 2 = 0<br> Solve using the zero-factor property.
Alex

Answer:

x = -2/5

x = 1

Step-by-step explanation:

5x² - 3x - 2 = 0

(5x + 2)(x - 1) = 0

⇒ 5x + 2 = 0

⇒ 5x = -2

⇒ x = -2/5

⇒ x - 1 = 0

⇒ x = 1

7 0
3 years ago
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