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morpeh [17]
3 years ago
15

Shawn wants to make the perimeter of the fence in his backyard 2.5 times the size it currently is. What scale factor should he u

se to dilate the dimensions of the fence? a. Scale factor of 2.5 b. Scale factor of 5 c. Scale factor of 6.25 d. Scale factor of 3
Mathematics
1 answer:
gladu [14]3 years ago
8 0

Answer:

a scale factor of 2.5

Step-by-step explanation:

if this was area, you would square. Therfore if it is only perimeter so you only have to multiply by the same number

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Write an expression/equation/inequality represented by the following statements. NO NEED TO SOLVE
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Answer:

a. n - 11 \le 14

b. 5n - 10 < 4(n - 8)

Step-by-step explanation:

a. A number decreased by 11 is at most 14.

n - 11 \le 14

b. Ten less than five times a number is less than four times the number decreased by eight.

5n - 10 < 4(n - 8)

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John made this model to show \frac{4}{7}\times\frac{13}{9} 7 4 ​ × 9 13 ​ Using John's model, what is \frac{4}{7}\times\frac{13}
harkovskaia [24]

Answer:

\frac{4}{7}\times\frac{13}{9} = \frac{52}{63}

Step-by-step explanation:

Given

See attachment for model

Required

Determine \frac{4}{7}\times\frac{13}{9} from the model

The model is represented by:

\frac{4}{7}\times\frac{13}{9} = \frac{4}{7}\times\frac{9}{9} + \frac{4}{7}\times\frac{4}{9}

To get: \frac{4}{7}\times\frac{9}{9}, we consider the first partition

The number of shaded box is 63 ---- this represents the denominator

The total boxes shaded at the bottom is 36 ---- this represents the numerator

So, we have:

\frac{4}{7}\times\frac{9}{9} = \frac{36}{63}

To get: \frac{4}{7}\times\frac{9}{9}, we consider the first partition

The number of shaded box is 63 ---- this represents the denominator

The total boxes shaded at the bottom is 16 (do not count the gray boxes) ---- this represents the numerator

So, we have:

\frac{4}{7}\times\frac{4}{9} =\frac{16}{63}

The equation becomes:

\frac{4}{7}\times\frac{13}{9} = \frac{4}{7}\times\frac{9}{9} + \frac{4}{7}\times\frac{4}{9}

\frac{4}{7}\times\frac{13}{9} = \frac{36}{63} + \frac{16}{63}

\frac{4}{7}\times\frac{13}{9} = \frac{36+16}{63}

\frac{4}{7}\times\frac{13}{9} = \frac{52}{63}

5 0
3 years ago
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