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mote1985 [20]
3 years ago
14

taylot is making a cookie cake that has a diameter of 15 in what is the area of a fourth of the cake?

Mathematics
1 answer:
vlabodo [156]3 years ago
3 0
Circle since diameter
area=pir^2
d/2=r
15/2=7.5=r
area=pi7.5^2
area=pi56.25
1/4 of that
56.25pi times 1/4=14.0625pi

answer is 14.0625pi in^2 or aprox 44.1786375 in^2
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stepan [7]

Answer:

Train A is faster by a factor of 1.01

Step-by-step explanation:

Given:

Train A:

Distance = 175 Miles

Time = 4 Hours

Train B:

y=43.5x

To Find:

which train travels at a faster rate in by what factor  =?

Solution:

The speed of the train A = \frac{Distance}{time}

The speed of train A  =\frac{175}{4}

The speed of train A = 43.75 miles per hour

Speed of the train B is the slope of the given line

The standard equation of the slope of the line is

y = mx+b

where m is the slope

and we are given with

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So comparing with the standard equation

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Hence the speed of train B is 43.5  miles per hours

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Rate =\frac{\text{speed of train A}}{\text {Speed of train B}}

rate  = \frac{43.75}{43.5}

rate  =1.01

7 0
3 years ago
8.1 Tangent Lines find the side of of triangle KLJ
Stells [14]

Answer:

x=12

Step-by-step explanation:

tangent forms 90° with the touch point at circle

(x+8)^2 = 256+x^2

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8 0
2 years ago
Please help me for the brainliest answer
olga55 [171]

Answer:

3, 12, 27 and 300

Step-by-step explanation:

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8 0
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Answer:

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8 0
3 years ago
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Sidana [21]
The chace of the number that will be pulled out of the hat being an even number is a 7 / 15 chance.
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