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Vaselesa [24]
3 years ago
9

A wheel has a radius of 15 cm . approximately how far does it travel in 4 revolutions?

Mathematics
1 answer:
storchak [24]3 years ago
8 0
C Because 15 x pie(3.14)=47.1 and 47.1 x 4= 188.4
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What is the area of the circle if DF=20 in.
crimeas [40]
We know that

DF is the diameter of the circle
so
radius r=DF/2----->20/2-----> r=10 in

area of the circle=pi*r²------> pi*10²-----> 100*pi in²-----> 314 in²

the answer is

100*pi in² or 314 in²
4 0
3 years ago
the national flag of scotland has a white diagonal on a blue backround Tracy is sewing a scottish flag she knows that the length
dybincka [34]

Answer:

12 feet

Step-by-step explanation:

By Pythagoras theorem, a²+b²=c², where c represents the diagonal and a and b represents the other sides of a right angled triangle

As a flag is a rectangle, the two triangles cut would be  right angled triangles

Therefore, a²+9²=15²

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7 0
3 years ago
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777dan777 [17]

Answer:

64°

Step-by-step explanation:

∠RQP = 46°

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116° + <u>∠RPQ</u> = 180°

Find <u>∠RPQ</u>

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4 0
3 years ago
Solve for x. ​ −1.9=x/0.5 ​
Feliz [49]

-1.9 = x/.5  given equation

multiply both sides by .5

.5(-1.9) = x/(.5) *(.5)

-.95 = x



check: -1.9 = -.95/ .5


4 0
3 years ago
Determine which side is the smallest in the diagram
AnnyKZ [126]

the shortest side is always opposite the smallest angle.

In triangle ABC the shortest side is AC

In triangle ADC  the shortest side is DC

DC<AC since they are in the same triangle.

5 0
3 years ago
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