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3 years ago

9

Tell weather a triangle can have the given angle measure if not change the first angle measure so that the angle measure form a

triangle.

1 answer:

uranmaximum [27]3 years ago

7 0

The angels in a triangle should be 180° all
85+64+30=179<180
so we should add 1° to the first one
the angels would be 86 64 30

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Suppose that the hourly wages of fast food workers are normally distributed with an unknown mean and standard deviation. The wag

Nutka1998 [239]

Answer: 1.303639

Step-by-step explanation:

The t-score for a level of confidence $(1-\alpha)$ is given by :_

$t_{(df,\alpha/2)}$ , where df is the degree of freedom and $\alpha$ is the significance level.

Given : Level of significance : $1-\alpha:0.80$

Then , significance level : $\alpha: 1-0.80=0.20$

Sample size : $n=40$

Then , the degree of freedom for t-distribution: $df=n-1=40-1=39$

Using the normal t-distribution table, we have

$t_{(df,\alpha/2)}=t_{39,0.10}=1.303639$

Thus, the t-score should be used to find the 80% confidence interval for the population mean =1.303639

8 0

3 years ago

The graph below shows the cost of pens based on the number of pens in a pack. What would be the cost of one pen?

MaRussiya [10]

The answer would be B. $1.75

5 0

3 years ago

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Wesley can use the equation y=3x to calculate how far he has walked, where y represents the number of miles walked, and x repres

arlik [135]

16.5/3 = 5.5

Step-by-step explanation:

becuase he needs to walk 16.5 miles. and he can walk 3 miles per x(hour)

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5 0

2 years ago

U is the midpoint of TV. If TU = 6x and TV = 11x + 8, what is TV?

soldi70 [24.7K]

Answer:

96

Step-by-step explanation:

U is the midpoint of TV, so mTU is half of mTV or mTV = 2 * mTU, so

mTV = 2 * mTU

11x + 8 = 2 (6x)

11x + 8 = 12x

8 = x

mTV = 11x + 8 = 11(8) + 8 = 88 + 8 = 96

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2 years ago

A theater sells two types of tickets to their plays, children's tickets and adult tickets. For today's persformance they have so

evablogger [386]

784 adult tickets
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3 years ago