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Sav [38]
2 years ago
9

I feel like something is wrong, is there?

Mathematics
1 answer:
Phoenix [80]2 years ago
8 0

Answer:

# 4 (-5,2) should be placed one more place to the right

#5 (5,1) should be moved once up

Step-by-step explanation:

:)

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8. A bag contains 2 black marbles, 3 red marbles and 4 orange marbles. Two marbles are drawn from the bag, without replacement.
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Answer:

there is a 50 percent chance

Step-by-step explanation:

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2 years ago
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Which equation can be used to solve the problem? 75 percent of what number is 150
Stolb23 [73]

Solve word problems leading to equations of the form px + q = r and p(x + q) = r, where p, q, and r are specific rational numbers. Solve equations of these forms fluently. Compare an algebraic solution to an arithmetic solution, identifying the sequence of the operations used in each approach.

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3 years ago
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Solve the word problem. The formula P = 6s gives the formula for the perimeter of a regular hexagon with side length s. What is
Lunna [17]
The perimeter of the hexagon would be 20.4

To solve:

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P=6(3.4)

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6 0
2 years ago
A student records the repair cost for 17 randomly selected stereos. A sample mean of $52.33 and standard deviation of $21.44 are
Dafna11 [192]

Answer:

90% confidence interval is (43.25, 61.41)

Step-by-step explanation:

Given that,

n = 17

Mean, \bar{x} = 52.33

Standard deviation, \sigma = 21.44

∝ = 0.10

Now,

Confidence interval = \bar{x}  ± t_{\frac{\alpha }{2}, n-1} [\frac{\sigma}{\sqrt{n} } ]

                                 = 52.33 ± 1.7646 [ 21.44 / √17 ]

                                 = 52.33 ± 9.0791

So,

52.33 + 9.0791  = 61.4091

52.33 - 9.0791  = 43.2509

So,

90% confidence interval is (43.25, 61.41)

Also,

Lower end-point = 43.25

Upper end-point = 61.41

4 0
2 years ago
The table shows the times of the gold, silver, and bronze medal winners for the men’s 100-meter race (in seconds) for 10 Olympic
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3 years ago
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