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d1i1m1o1n [39]
3 years ago
15

Explain how to use models to divide 2.1 by 0.7

Mathematics
1 answer:
tankabanditka [31]3 years ago
6 0

Answer:

The answer is 3

Step-by-step explanation:

0.7*3 = 2.1

Think of it this way

its basically 7 times what equals 21?

then you find out 7 timex 3 = 21

and then put the decimals

0.7 times 3 (0.7 + 0.7 + 0.7) = 2.1

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The measure of central angle xyz is radians. What is the area of the shaded sector? 32 85 96 256.
statuscvo [17]

If the measure of central angle is 3π /4 radians, then the area off the shaded sector is 96π square units

The radius of the circle = 16 units

The central angle of the shaded region = 3π /4 radians

The area of the sector = (θ/ 360) × πr^2

Where θ is the central angle of the sector

r is the radius of the sector

Substitute the values in the equation

The area of the sector = ((3π /4) /360) × π × 16^2

Convert the radians to the degrees

= (135/360) × 256π

Multiply the terms

= 96π square units

Hence, the area of the shaded sector is  96π square units

The complete question is

The measure of central angle XYZ is 3 pie / 4 radians. What is the area of the shaded sector?

Learn more about area of the sector here

brainly.com/question/7512468

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5 0
1 year ago
Please answer this for me
Bumek [7]

Answer:

422.39 sq cm

Step-by-step explanation:

Find the area of the circle and subtract the area of the rectangle from it.

Circle area: pi*12^2, 144pi sq cm

REctangle area: 10*3=30sq cm

144pi-30≈422.39

7 0
3 years ago
3 2/5 miles in 7/8 hour as a unit rate
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Answer:

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Step-by-step explanation:

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Area is 9 x 3.14 = 28.3
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5 0
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Find the area of the following triangle. Show your<br>work!​
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