AnswersFL-1205040-MJ Grade 7 Mathematics B -GFChanging a Scale

Changing a Scale Answers

9 verified answers2 views
1
Free Preview

Question text not available

Answer not available
2
Free Preview

Question text not available

A
4
B
10
C
20
D
21
3

Question text not available

A
4
B
10
C
20
D
21
4

Question text not available

A
4
B
10
C
20
D
21
5

Yasmin designed a square table using a scale drawing. The actual length of each side was 4 feet and the scale factor was 1 inch : 2 feet. Choose the figure with the new side length if Yasmin changed the scale factor to 1 inch : feet.

Question illustration
A
A square with side lengths of 2 feet.
Option A
B
A square with side lengths of 6 and two-thirds feet.
Option B
C
A square with side lengths of 7 and one-third feet.
Option C
D
A square with side lengths of 14 and two-thirds feet.
Option D
6

The length of the garden is meters. The width of the garden is meters. If the scale changes to 1 cm : 9 meters, the new length of the garden is meters and the new width of the garden is meters. The new length of the garden is times as long as the original length of the garden.

Answers:
Selection 1:21
Selection 2:5.25
Selection 3:63
Selection 4:15.75
Selection 5:3
7

What error did Anya make?

A
She set up the proportion incorrectly; the second ratio should be .
Option A
B
She cross-multiplied incorrectly.
C
She divided incorrectly.
D
She used the wrong label; it should be inches.
8

The change in the scale factor is . The change of scale means that 1 inch represented 4 feet, but now 1 inch represents feet.

Answers:
Selection 1:4/5
Selection 2:5
9

Question text not available

Answer not available

Did you find these answers helpful?

More from this Course

Assignment
13 verified answers

Assignment

Assignment
11 verified answers

Changing a Scale

Assignment
10 verified answers

Assignment