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zloy xaker [14]
3 years ago
8

Helpppppp please thank you

Mathematics
2 answers:
ElenaW [278]3 years ago
5 0

Step-by-step explanation:

5/3 x 1/7

= 5/21

alternate form: 0.238095

AleksandrR [38]3 years ago
4 0

Answer:

5/21

Step-by-step explanation:

5/3 divide by 7

5/3  /  7/1

5/3  x  1/7

5/21

i think its this

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15/y=20/4 Solve the proportion
lesya692 [45]

Answer:

y=3

Step-by-step explanation:

15/y=20/4

or, 15/y=5

or, 15/5= y

or, y=3

4 0
3 years ago
5.62 in expanded form
Korvikt [17]
5+.60+.02 = 5.62 is the correct answer
6 0
3 years ago
What percent of the total budget is the dog food (to the nearest tenth)?
Scorpion4ik [409]

Answer:

D

Step-by-step explanation:

8 0
4 years ago
Read 2 more answers
A study of the career paths of hotel general managers sent questionnaires to an SRS of 280 hotels belonging to major U.S. hotel
const2013 [10]

Answer and Step-by-step explanation:

we have the following data:

Point estimate = sample mean = \ bar x = 12.39

Population standard deviation = \ sigma = 3.7

Sample size = n = 177

a) the margin of error with a 90% confidence interval

α = 1 - 90%

alpha = 1 - 0.90 = 0.10

alpha / 2 = 0.05

Z \ alpha / 2 = Z0.05 = 1,645

Margin of error = E = Z \ alpha / 2 * (\ sigma / \ sqrtn)

we replace:

E = 1.645 * (3.7 / \ sqrt177)

Outcome:

E = 0.46

b) margin of error with a 99% confidence interval

α = 1-99%

alpha = 1 - 0.99 = 0.01

alpha / 2 = 0.005

Z \ alpha / 2 = Z0.005 = 2,576

Margin of error = E = Z \ alpha / 2 * (\ sigma / \ sqrtn)

we replace:

E = 2,576 * (3.7 / \ sqrt177)

Outcome:

E = 0.72

c) A larger confidence interval value will increase the margin of error.

6 0
3 years ago
the formula for the circumference (c) of a circle is c= 2πr. calculate c if r=0.8695 mm, keeping the highest possible number of
Marianna [84]

The value of the circumference (C) of a circle, having a radius (r) = 0.8695 mm, using the formula C = 2πr, is calculated to be <u>5.4632296245926504416865368435231‬ mm</u>.

A circle is a shape formed by all points in a plane that are at a particular distance from the center.

The linear distance around a circle is defined as its circumference. In other words, if a circle is opened to produce a straight line, the length of that line equals the circumference of the circle.

The formula for the circumference of a circle is given:

C = 2πr,

where C is the circumference of the circle, r is its radius, and π is a constant.

We are asked to find the circumference of the circle (C), given its radius (r) = 0.8695 mm.

Using the formula of the circumference C = 2πr, we can find the circumference as:

C = 2*π*(0.8695) mm,

or, C = 5.4632296245926504416865368435231‬ mm.

Thus, the value of the circumference (C) of a circle, having a radius (r) = 0.8695 mm, using the formula C = 2πr, is calculated to be <u>5.4632296245926504416865368435231‬ mm</u>.

Learn more about the circumference of a circle at

brainly.com/question/12823137

#SPJ1

6 0
2 years ago
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