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3 years ago

Determine if the following scale factor would be an enlargement or reduction. scale factor: 2.5

Mathematics

2 answers:

Sati [7]3 years ago

5 0

Answer: Enlargement

Step-by-step explanation: If the number is larger than 1 it is an enlargement if it is smaller it is a reduction.

Verdich [7]3 years ago

4 0

Answer:

It would be an enlargement

Step-by-step explanation:

You are moving each point 2.5 units out

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A cylinder fits inside a square prism as shown. For every cross section, the ratio of the area of the circle to the area of the

kolbaska11 [484]

Answer:

Volume of cylinder = $\pi r^2h$

Step-by-step explanation:

Given : A cylinder fits inside a square prism.

To find : The volume of cylinder

Solution : Refer the attached graph.

Area of circle = $\pi r^2$

Area of square = $s^2$

Side of square = diameter of circle= $D^2$

Diameter = 2r

∴ Area of square= $2r^2=4r^2$

$\frac{Area of circle}{Area of Square}=\frac{\pi r^2}{4r^2}=\frac{\pi}{4}$

Area of circle is $\frac{\pi }{4}$ of area of square.

Volume is always = area × height

Volume of prism = Area of square × h = $4r^2h$

Volume of cylinder = Area of circle × h = $\pi r^2h$

Now, rate

$\frac{Volume of cylinder}{Volume of prism}=\frac{\pi r^2h}{4r^2h}=\frac{\pi}{4}$

⇒Volume of cylinder is $\frac{\pi }{4}$ of Volume of prism.

Volume of Cylinder = $\frac{\pi }{4}\times Volume of prism$

Volume of cylinder = $\frac{\pi }{4}\times 4r^2h$

Volume of cylinder = $\pi r^2h$

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3 years ago

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PolarNik [594]

Answer:

Step-by-step explanation:

Find the vanilla first by dividing 420 by 7 and multiplying the quotient by 2 to get 120.

Then find the banana using the equation 35/100 = x/420, cross multiply to get 147.

Add 120 and 147 to get 267.

Subtract 267 from 420 to get 153.

Divide 153 by 9 to get 17.

Get the number of lemon cakes by multiplying 17 by 4.

The number of lemon cakes is 68!

(and chocolate cakes is 85)

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timofeeve [1]

Answer:

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Step-by-step explanation:

Experimental probability is the result of an individual experiment, not theoretical probability

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Stephanie read 72 pages on Sunday and 83 pages on Monday . About how many pages did Stephanie read during the two days ?

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About how many pages.....estimate : 70 + 80 = 150

actual : 72 + 83 = 70 + 80 + 5 = 155

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svetoff [14.1K]

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