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Biblioteka

Lesson 1 : Ratios and Proportions

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Posljednje ažuriranje 4 months ago
28

You COMPARED two quantities (wins to losses or wins to total games) for four years. You can write a RATIO to compare two or more quantities.

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More Practice

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SOLUTIONS for #23 - 28

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Pitanje 1
1.

The table gives the wins and losses of a baseball team. In which year(s) did the team have the best record? Select all that apply.

1
Pitanje 2
2.

Explain your rationale/reasoning for your answer to question 1. Be concise.

Pitanje 3
3.
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Pitanje 4
4.
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Pitanje 5
5.
Pitanje 6
6.

A bonsai tree is 18 in. wide and stands 2 ft. tall. What is the ratio of the width of the bonsai to its height.

Pitanje 7
7.

The measure of two supplementary angles are in the ratio 1 : 4. What are the measures of the angles?

Pitanje 8
8.

The lengths of the sides of a triangle are in the extended ratio 4 : 7 : 9. The perimeter is 60 cm. What are the lengths of the sides

Pitanje 9
9.

What is the solution of the proportion

?

Pitanje 10
10.

What is the solution of the proportion

?

Pitanje 11
11.

In the first four games of the season, a soccer team scored a total of ten goals. If this trend continues, how many goals will the team score in the eighteen remaining games of the season?

Pitanje 12
12.

WRITING AND SOLVING PROPORTIONS. Write the sentence as a proportion (in the show your work area). Then, solve the proportion.

b is to 10 as 7 is to 2

Pitanje 13
13.

Use the proportion.

What ratio completes the equivalent proportion below?

Pitanje 14
14.

Use the proportion.

What ratio completes the equivalent proportion?

Pitanje 15
15.

Explain why the first proportion below is an equivalent proportion to the second proportion below.

Pitanje 16
16.

Pitanje 17
17.

Two angles measures are in the ratio 5 : 9. Write expressions for the two angle measures in terms of the variable x.

Pitanje 18
18.

Pitanje 19
19.

Pitanje 20
20.

Pitanje 21
21.

Error Analysis: What is the error in the solution of the proportion shown?

Pitanje 22
22.

What is a proportion that has means 6 and 18 and extremes 9 and 12?

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Pitanje 23
23.

Solve for x.

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Pitanje 24
24.

Solve for z.

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Pitanje 25
25.

Solve for m.

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Pitanje 26
26.

Solve for a.

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Pitanje 27
27.

Solve for r.

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Pitanje 28
28.

Solve for w.