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Over [174]
3 years ago
8

Leonard earned $100 from a bonus plus $15 per day (d) at his job this week. Which of the following expressions best represents L

eonard's income for the week? (1 point)
15 + 100d
15d + 100
15 + d + 100
15 + 100
Mathematics
1 answer:
djyliett [7]3 years ago
8 0

Answer:

...........

⟼15d + 100

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A different map has a scale of 1:50000
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Answer:

8 Km

Step-by-step explanation:

16 x 50000 = 800,000 cm

800,000 cm = 8,000 m

8,000 m = 8 km

I hope this helps, if not sorry

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3 years ago
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Read 2 more answers
A true/false test has 40 questions. Suppose a passing grade is 30 or more correct answers. Test the claim that a student knows m
Angelina_Jolie [31]

Answer:

z≈3.16

p≈0.001

we reject the null hypothesis and conclude that the student knows more than half of the answers and is not just guessing in 0.05 significance level.

Step-by-step explanation:

As a result of step 2, we can assume normal distribution for the null hypothesis

<em>step 3:</em>

z statistic is computed as follows:

z=\frac{X-M}{\frac{\sqrt{p*(1-p)} }{\sqrt{N} } } where

  • X is the proportion of correct answers in the test (\frac{30}{40})
  • M is the expected proportion of correct answers according to the null hypothesis (0.5)
  • p is the probability of correct answer (0.5)
  • N is the total number of questions in the test (40)

z=\frac{0.75-0.50}{\frac{\sqrt{0.5*(0.5)} }{\sqrt{40} } } ≈ 3.16

And corresponding p value for the z-statistic is p≈0.001.

Since p<0.05, we reject the null hypothesis and conclude that the student knows more than half of the answers and is not just guessing in 0.05 significance level.

7 0
3 years ago
Figure ABCDE is similar to figure FGHIJ. What is the length of segment FG?
Viefleur [7K]
It must be 6 since the length sides r doubled and it's similar
7 0
3 years ago
-2 1/3 divided by -3/5
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Answer:

나는 대답이 글꼴 알고 있다고 생각한다.나는 대답이 글꼴 알고 있다고 생각한다.

7 0
2 years ago
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