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andriy [413]
2 years ago
10

What numbers multiply to -30 and add to 7​

Mathematics
1 answer:
insens350 [35]2 years ago
6 0

Answer:

10 and -3

Step-by-step explanation:

10 x -3 = -30

10 + (-3) = 7

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The function below represents the interest Kristina earns on an investment. Identify the term that represents the amount of mone
Amanda [17]

Answer:

\boxed{5000}

Step-by-step explanation:

The formula for the amount accrued on an investment earning compound interest is

f(x) = P(1 + r)^{x}

where

P = the amount of money invested

r = the interest rate per payment period expressed as a decimal fraction

t = the number of periods

Your formula is

f(x) = 5000(1 + 0.04)^{x}\\\text{By comparing the formulas, we see that the amount of money invested is $\boxed{\textbf{5000}}$}

4 0
2 years ago
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In a survey of U.S. adults with a sample size of 2062​,330said Franklin Roosevelt was the best president since World War II. Two
tigry1 [53]

Answer:

a) 0.0255

b) 0.7050

c) 0.2945

Step-by-step explanation:

Probability that one of those sampled saying that Roosevelt was the best president since World War II = 330/2062 = 0.16

Probability that one of those sampled don't mention Roosevelt = (2062 - 330)/2062 = 1732/2062 = 0.84

a) The probability that both adults picked say Franklin Roosevelt was the best president since World War II = (330/2062) × (329/2061) = 0.0255

b) The probability that neither of the two adults say Franklin Roosevelt was the best president since World War II = (1732/2062) × (1731/2061) = 0.7050

c) The probability that at least one of the two adults says Franklin Roosevelt was the best president since World War II = Probability that one of the two adults mention Roosevelt + Probability that the two adults mention Roosevelt

Probability that one of the adults mention Roosevelt = [(330/2062) × (1732/2061)] + [(1732/2062) × (330/2061)] = 0.269

Probability that two of the adults mention Roosevelt has been done in (a) and it is equal to 0.0255

probability that at least one of the two adults says Franklin Roosevelt was the best president since World War II = 0.269 + 0.0255 = 0.2945

3 0
2 years ago
2. Simplify<br> 3x<br> (x-5)<br> 2x - 3<br> - where x = 0 and x* 5.<br> 3x
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Answer:

3x

(x-5)

2x - 3= 3x,x-5,2x-3

Step-by-step explanation:

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3 years ago
What is the congruence theorem used to prove that the two triangles are congruent?
natka813 [3]

Answer:

AAS, the two equal angles, the two right triangles, and the shared side

Step-by-step explanation:

8 0
2 years ago
Find the equivalent fraction of 1/3 equals
kolezko [41]

Equivalent Fractions for 1/3:

1/3, 2/6, 3/9, 4/12, 5/15, 6/18, 7/21, 8/24, 9/27, 10/30,

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