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neonofarm [45]
3 years ago
14

Help please!!!! I will really appreciate it please help

Mathematics
2 answers:
andriy [413]3 years ago
6 0

Answer:

x=28

Step-by-step explanation:

We know a triangle equals 108 degrees. B is a right angle so that's 90 degrees. 180-148 will give us C. C is 32 degrees So we know 2 angles, to find the third add the 2 angles (122) and create the equation 2x+2+122=180 simplify to get x=28

Hope this helped :D

Scorpion4ik [409]3 years ago
4 0

Answer:

Correct answer is x = 28°

Step-by-step explanation:

Okay we know Angle A is 2x + 2

Angle B is 90

Angle C is 180 - 148 = 32 ( straight line angle is 180)

Sum of all angles should be 180 in a triangle

which means

A + B + C = 180

2x + 2 + 32 +90 = 180

2x + 124 = 180

2x = 180-124

2x = 56

x = 56/2

x = 28

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In a recent survey of college professors, it was found that the average amount of money spent on entertainment each week was nor
Alenkinab [10]

Answer:

0.0918

Step-by-step explanation:

We know that the average amount of money spent on entertainment is normally distributed with mean=μ=95.25 and standard deviation=σ=27.32.

The mean and standard deviation of average spending of sample size 25 are

μxbar=μ=95.25

σxbar=σ/√n=27.32/√25=27.32/5=5.464.

So, the average spending of a sample of 25 randomly-selected professors is normally distributed with mean=μ=95.25 and standard deviation=σ=27.32.

The z-score associated with average spending $102.5

Z=[Xbar-μxbar]/σxbar

Z=[102.5-95.25]/5.464

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We have to find P(Xbar>102.5).

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P(Xbar>102.5)=P(0<Z<∞)-P(0<Z<1.33)

P(Xbar>102.5)=0.5-0.4082

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3 years ago
Members of Alachua District Choir were asked, when given the choice between Romanticism or Gothic
zalisa [80]

Answer:

\begin{array}{cccc}{} & {Romanticism} & {Gothic} & {Total} & {Males} & {48} & {63} & {111}& {Females} & {59} & {62} & {121} & {Total} & {107} & {125} & {232} \ \end{array}

Step-by-step explanation:

Given

Romanticism

Male = 48

Female = 59

Gothic

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Female = 62

Required

Complete the table <em>(See attachment for complete question)</em>

The table can be represented as:

\begin{array}{cccc}{} & {Romanticism} & {Gothic} & {Total} & {Males} & {48} & {63} & {111}& {Females} & {59} & {62} & {121} & {Total} & {107} & {125} & {232} \ \end{array}

The "total" column represents the number of males and female sampled, respectively.

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Female = 59 + 62 = 121

The "total" row represents the number of Romanticism and Gothic sampled, respectively.

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Gothic = 63 + 62 = 125

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Overall = Male + Female

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or

Overall = Romanticism + Gothic

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erma4kov [3.2K]

Answer:

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Step-by-step explanation:

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The larger component force is about 48.8 pounds.

6 0
2 years ago
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