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ozzi
3 years ago
13

Pls can someone help me I need help

Mathematics
1 answer:
iris [78.8K]3 years ago
3 0

Answer:

Sin C = 0.8824

Step-by-step explanation:

Sin C = 15/17

Sin C = 0.8824

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What is the ratio 28 : 4 in it's simplest form?
Lisa [10]

Answer:

7:1

Step-by-step explanation:

28:4=

7(4):1(4)=

7:1

Hope this helps!

5 0
3 years ago
Read 2 more answers
25% of the student's in Mrs.Brown's class like chocolate ice cream. How many students are in her class if 6 students like chocol
Katen [24]

Answer:

24 students.

Step-by-step explanation:

25% is 1/4 of 100.

6*4= The number of students.

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3 years ago
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A person standing on a moving walkway travels 75 feet in 25 seconds. What
Goshia [24]

Answer:

C

Step-by-step explanation:

75 divided by 3 is equal to 25 therefore it is 3 feet per 1 second they will travel 30 feet in 10 seconds

7 0
3 years ago
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A sleep time of 15.9 hours per day for a newborn baby is at the 10h percentile of the distribution of sleep times for all newbor
Step2247 [10]

The mean time in hours per day for newborn babies is 16.5 hours ⇒ D

Step-by-step explanation:

A sleep time of 15.9 hours per day for a newborn baby is at the 10th

percentile of the distribution of sleep times for all newborn babies

Assuming the distribution is normal with a standard deviation of

0.5 hour

To find the mean time let us do that

1. Use the normal distribution table to find the corresponding z-score

   for 10th percentile

2. Use the rule μ = x - zσ, where μ is the mean, σ is the standard

    deviation and x is the score

3. Substitute the values of x, σ and z in the rule to find μ

Look to the normal distribution table to find z-score that equivalent

to the area = 10/100 = 0.1 (10th percentile)

∵ z-score = -1.28

∵ σ = 0.5 hour

∵ x = 15.9

∵ μ = x - zσ

- Substitute the values in the rule

∴ μ = 15.9 - (-1.28)(0.5)

∴ μ = 15.9 + 0.64

∴ μ = 16.54 ≅ 16.5 hours

The mean time in hours per day for newborn babies is 16.5 hours

Learn more:

You can learn more about the normal distribution curve in brainly.com/question/8799684

#LearnwithBrainly

6 0
3 years ago
A circle has a circumference of 113.04. What is the diameter of the circle?
Alekssandra [29.7K]

Answer:

56.52

Step-by-step explanation:

because the circumference is double the diameter and the circumference is 113.04 so half of that is 56.52

8 0
4 years ago
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