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uranmaximum [27]
3 years ago
10

Which transformation would result in the area of a polygon being different from the area

Mathematics
1 answer:
7nadin3 [17]3 years ago
4 0

Answer:

B) Dilated by a scale factor of 2.5

Step-by-step explanation:

Dilation is multiplying the size of the polygon which would be changing the area. The reason A is wrong because multiplying anything by 1 doesn't change it.

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I woke up at 6:47 a.M. I spent 25 minutes showering and getting dressed then I walked down stairs. I got down stairs at blank I
yawa3891 [41]

Answer:

a. Blank time = 7:12 am

b. Blank Minutes = 30 minutes

Step-by-step explanation:

The individual got downstairs 25 minutes after 6:47am

Hence Blank time = 6:47am + 25 minutes = 7:12 am

To calculate amount of blank minutes he spent reading books

7:42am - 7:12am = 30 minutes

6 0
3 years ago
Alana and two of her friends evenly split the cost of a meal. each person owes $14.68.
True [87]

Answer:

$44.04

Step-by-step explanation:

14.68 * 3 = 44.04

8 0
3 years ago
The volume of a 10 ounce box of cheerios is 258.75in3. the length of the box is 4 inches less than the height and the width is 3
Marina86 [1]

Answer:

Height of the box = 11.5 in

Step-by-step explanation:

Let h be the height of the box.

Assuming the volume of the Box is 258.75\ in^3.

Given:

Length = Height - 4 = h - 4

Width = 3 in

We need to find the height of the box.

Solution:

We know that the volume of the box.

Volume = Length\times height\times width

Substitute all given value in above formula.

258.75 = (h-4)\times h\times 3

Rewrite the equation as:

258.75 = 3h(h-4)

258.75 = 3h^2-12h

3h^2-12h-258.75=0

whole equation divided by 3.

h^2-4h-86.25=0

Use quadratic formula with a = 1, b = -4,c=-86.25

h=\frac{-b\pm \sqrt{(b)^{2}-4ac}}{2a}

Put these a, b and c value in above equation.

h=\frac{-(-4)\pm \sqrt{(-4)^{2}-4(1)(-86.25)}}{2(1)}

h=\frac{4\pm \sqrt{16+345}}{2}

h=\frac{4\pm \sqrt{361}}{2}

h=\frac{4\pm 19}{2}

For positive sign

h=\frac{23}{2}  

h = 11.5 in

For negative sign

h=\frac{-15}{2}

h = -7.5

We take positive value of h.

Therefore, the height of the box h = 11.5 in

4 0
3 years ago
Jasmine is 12 years old. Her father is three times older. How old is Jasmine’s father?
Alenkinab [10]

Answer:

36

Step-by-step explanation:

4 0
3 years ago
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PLEASE Help with number 14
scZoUnD [109]

14) The sum of anything and its additive inverse is zero. (That is the definition of additive inverse.) The appropriate choice is ...

... A) equal to 0

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