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ryzh [129]
3 years ago
15

The length of a shadow of a building is 30 m. The distance from the top of the building to the tip of the shadows is 36 m. Find

the height of the building.
Mathematics
1 answer:
kupik [55]3 years ago
7 0

Answer:

46.86

Step-by-step explanation:

a^2+b^2=c^2

30^2+36^2=c^2

2196=c^2

Square root both sides

46.86=c

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12345678998998898998756685666747434565468585668565856 +214146275865978765e4wq3
EastWind [94]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
When testing the difference between two population means and the population variances are unknown and unequal, the degrees of fr
levacccp [35]

Answer: 34 degrees of freedom should be used to find the p-value of the test .

Step-by-step explanation:

Degrees of Freedom relates to the maximum number of independent values, that have independence to vary in the sample.

Given : When testing the difference between two population means and the population variances are unknown and unequal, the degrees of freedom are calculated as 34.7.

But degree of freedom must be an integer , so we find the greatest integer less than equal to the calculated degree of freedom.

i.e. [df]=[34.7]= 34

Thus , 34 degrees of freedom should be used to find the p-value of the test .

6 0
4 years ago
Akira and her puppy are both dressing up as superheroes for Halloween this year. Akira needs 1 yard of cloth for her cape. She a
Ahat [919]

The feet of cloth that she should buy for the capes is 4 feet.

<h3>How many feet should she buy?</h3>

The mathematical operations that would be used to determine the answer are addition and multiplication.

Addition is the process of summing two or more numbers together. Multiplication is the process of determining the product of two or more numbers.

The first step is to convert yard to feet

According to the unit of conversion : 1 yard = 3 feet

1 x 3 = 3 feet

The second step is to add the feet needed for Akira's cape with the foot needed for the puppy's cape

Total feet needed = 3 + 1 = 4 feet

To learn more about addition, please check: brainly.com/question/349488

#SPJ1

8 0
2 years ago
Help please asap i will give brainlist
7nadin3 [17]
28°

a triangle = 180°
180°-140°= 40°
180°-68°= 112°
180°-112°-40°= 28°
3 0
3 years ago
Estimate the awnser to 17 x 193
8_murik_8 [283]
I think i know this one. it's 3,281.
8 0
3 years ago
Read 2 more answers
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