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3 years ago

The diagram shows a dilation of line AB

Mathematics

2 answers:

Orlov [11]3 years ago

7 0

Answer:

1. OA= 2.0 OA’= 3.0

2. OB= 3.0 OB’= 4.5

3. AB= 2.2 A’B’= 3.3

4. 1.5

5. 1.5

6. 1.5

horrorfan [7]3 years ago

3 0

Answer:

For e-2020 OA=2 units and Oa' = 3 units

Step-by-step explanation:

Ob=3.0 units

OB'= 4.5 units

Ab=2.2 units

AB'=3.3 units

Oa'/OA=1.5 units

Ob'/Ob=1.5 units

A'B'/AB= 1.5 units

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2 years ago

Find an equation of the circle that has center (-4,3) and passes through (6,-4).

kumpel [21]

Answer:

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Step-by-step explanation:

The equation of a circle is $(x-h)^2+(y-k)^2=r^2$ where $(h,k)$ is the center of the circle and $r$ is the radius of the circle.

Given that $(h,k)\rightarrow(-4,3)$ and it passes $(6,-4)$ , their distance between each other must the radius of the circle, so we can use the distance formula to find the radius:

$d=\sqrt{(y_2-y_1)^2+(x_2-x_1)^2}\\\\d=\sqrt{(-4-3)^2+(6-(-4))^2}\\\\d=\sqrt{(-7)^2+10^2}\\\\d=\sqrt{49+100}\\\\d=\sqrt{149}$

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3 years ago

Use 2 unit multipliers to convert 4 square feet to square inches

allochka39001 [22]

Answer:

4 square feet is equal 576 square inches

Step-by-step explanation:

to convert 4 square feet to square inches

Now, We know that 1 feet = 12 inches

∴ $1^{2} \ feet = 12^2 \ inches\\1\ square\ feet= 144 \ square \ inches\\$

Now we need to find 4 square feet

$4 \times 1\ square\ feet= 4\times 144 \ square \ inches\\4 \ square\ feet= 576 \ square \ inches$

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3 years ago