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kicyunya [14]
3 years ago
8

Please help me with my math question! Felisa is creating a scrapbook of her family. A photo of her grandmother measures 3 inches

by 5 inches. She enlarges it by a scale factor of 1.5 to place in the scrapbook. Then she enlarges the second photo by a scale factor of 1.5 to place on the cover of the scrapbook. What are the dimensions of the photo for the cover of the scrapbook?
Mathematics
1 answer:
damaskus [11]3 years ago
7 0
You would have to multiply 3x5 by 1.5 which equals 4.5x7.5 the multiply the second photo, 4.5x7.5 by 1.5 and the answer is 6.75x11.25

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Multiply.
tatyana61 [14]

Answer:

53.702

Step-by-step explanation:

You split the two numbers into two.

24, 0.41, 2, and 0,2

Then multiply each one by each other

2 x 24

2 x 0.41

0.2 x 24

0.2 x 24

24 x 2

24 x 0.2

0.41 x 2

then add all of them together and you get your answer

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3 years ago
A new type of pump can drain a certain pool in 8 hours. An older pump can drain the pool in 12 hours. How long will it take both
Marina86 [1]

Answer:

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Step-by-step explanation:

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4 years ago
A path 5m wide is to be built along the border and inside a square garden of side 90m. Find the cost of cementing the path at th
gizmo_the_mogwai [7]

Answer:

Total cost of cementing the path = Rs. 17,000.

Step-by-step explanation:

Let the square garden be ABCD

Let the region inside the garden (ABCD) be WXYZ.

<u>Given the following data;</u>

Length of sides of ABCD = 90m

Width of path = 5m

Cost = Rs. 10 per m²

Area of ABCD = 90 * 90

Area of ABCD = 8100m²

<em>To find the area of WXYZ;</em>

WX = WZ = 90 - (5 + 5)

WX = WZ = 90 - 10

WX = WZ = 80m

Area of WXYZ = WX * WZ

Substituting into the equation, we have;

Area of WXYZ = 80 * 80

Area of WXYZ = 6400 m²

Area of path = Area of ABCD - Area of WXYZ

Area of path = 8100 - 6400

Area of path = 1700 m²

Total cost of cementing the path = Area of path * cost

Total cost of cementing the path = 1700 * 10

<em>Total cost of cementing the path = Rs. 17,000</em>

6 0
3 years ago
(picture) is this the correct way to solve 19?
goldfiish [28.3K]

I cant see your work very clearly so I'll work it out below:-

f(x + Δx) = (x + Δx)^2 - 2(x + Δx) - 3

= x^2 + 2x(Δx) + (Δx)^2 - 2x - 2(Δx) - 3

= x^2 - 2x + (Δx)^2 + 2x(Δx) - 2(Δx) - 3

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3 years ago
Write and equation and solve it
Vedmedyk [2.9K]

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Step-by-step explanation:

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3 years ago
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