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ddd [48]
3 years ago
8

Solve the proportion 5/x=4/8 is

Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
7 0
D. 10 is your answer.
In order to solve a proportion, you cross multiply.
In this case it will be 40=4x
Solve for x is 10. Therefore D is your answer.
Please give 5 star if it helped you. :)
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A news service conducted a survey of 1026 adults ages 18 years or older in a certain​ country, August 31minus−September ​2, 2015
Musya8 [376]

Answer:

B. To determine the percent of adults in the country who believe the federal government wastes 51 cents or more of every dollar.

Step-by-step explanation:

Given that:

sample size = 1026

sample proportion = 0.36

Margin of error = 55% = 0.55

Confidence interval level = 99%

The purpose of this question is to determine the research objective:

The research objectives indicate the intention of the study, the objectives,\ or the main idea. This main idea arises from a need (the research problem) and refined into specific questions (i.e. the research questions). From, the given information, the research objective is to determine the percent of adults in the country who believe the federal government wastes 51 cents or more of every dollar.

7 0
3 years ago
PLZ HELP ANSWER BY TODAY
Ivahew [28]

X = 29

Explanation:

Rigt angle means 90°

Here 2x + 32 = 90

so, 2x = 90 - 32

2x = 58

x = 58÷2

x = 29

7 0
2 years ago
Find the slope of a line parallel to each given line y = 1
NeX [460]
Don’t take my word for it but if there’s no x then it might be undefined.
Sorry if I’m incorrect
4 0
2 years ago
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The regular octagon in the ceiling of this cathedral has a radius of 10.5 feet and a perimeter of 64 feet.
SVEN [57.7K]

Answer:

first blank: 9.7

second blank: 310.4

4 0
2 years ago
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Find the value of sin’60°+2tan45°-cos30°​
Anton [14]

Answer:

The answer is 2

Step-by-step explanation:

sin60°+ 2 tan45° - cos30°

sin60° = √3/2

2 tan45° = 1

cos30° = √3/2

sin60°+ 2 tan45° - cos30°

√3/2 + 2(1) - √3/2

√3/2 - √3/2 + 2(1)

0 + 2 = 2

Thus, The answer is 2

<u>-TheUnknownScientist</u>

8 0
3 years ago
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