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Sergeeva-Olga [200]
3 years ago
10

Pls help this is due today! A circular plate has a circumference of 14p in. Find the area of the same plate.

Mathematics
2 answers:
dexar [7]3 years ago
8 0

Answer:

area = 153.86 in²

Step-by-step explanation:

Diameter = 14π / π = 14

radius = 1/2(14) = 7

area = π7² = 153.86 in²

NeX [460]3 years ago
7 0
Circumference is pi x diameter
So the diameter is 14
Area of a circle is pi x r^2
radius is half the diameter
so radius = 7
So pi x 7^2
= 49pi
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I will give brainiest to whoever answers correctly !!
KonstantinChe [14]

Answer:

The number of units sold increased by \mathbf{11.2\%}

Step-by-step explanation:

Vacuum dealer sold units in 2011 = 420

Vacuum dealer sold units in 2012 = 467

We need to find percent increase or decrease

Since, In 2012 units sold are greater than 2011, so there will be percent increase.

The formula used is: Percent\:Increase=\frac{New\:Value-Original\:Value}{Original\:Value}\times 100

We have New Value (Units sold in 2012) = 467

Original Value (Units sold in 2011) = 420

Percent increase is:

Percent\:Increase=\frac{New\:Value-Original\:Value}{Original\:Value}\times 100\\Percent\:Increase=\frac{467-420}{420}\times 100\\Percent\:Increase=\frac{47}{420}\times 100\\Percent\:Increase=11.2\%

So, The number of units sold increased by \mathbf{11.2\%}

4 0
3 years ago
Mailyn loves cookies. She can eat 32 in an hour. Her brother Juan, however, needs 3 hours to eat the same amount of cookies. How
bezimeni [28]

we know that

1) Mailyn can eat 32 cookies in an hour

1 hour  is equal to 60 minutes

<u>Find how cookies eats Mailyn in one minute</u>

by proportion

\frac{32}{60} \frac{cookies}{minutes}= \frac{x}{1} \frac{cookie}{minutes} \\\\ x=32/60\\x=0.53 \ cookies

2) Juan needs 3 hours to eat 32 cookies

<u>Find how cookies eats Juan in one minute</u>

by proportion

\frac{32}{180} \frac{cookies}{minutes}= \frac{x}{1} \frac{cookie}{minutes} \\\\x=32/180 \\x=0.18\ cookies

<u>3) Find how long will it take them to eat 40 cookies together</u>

we know that

Maylin and Juan eats in one minute together ---------> (0.53+0.18)=0.71 cookies

so

by proportion

\frac{0.71}{1} \frac{cookies}{minutes}= \frac{40}{x} \frac{cookie}{minutes} \\\\0.71*x=40\\x=56.34 \ minutes

therefore

<u>the answer is</u>

56.34\ minutes

4 0
3 years ago
Can y'all answer this please n–2 1/2=7 1/2
Yuki888 [10]
Hi!
So this is an algebra question. We basically want to know what number minus 2 and 1/2 is going to equal 7 and 1/2. An easy way to check for that first number is adding those two numbers together

So we take 2 and 1/2 + 7 and 1/2 , and because they have the same denominator we can add the two numbers . 2 + 7 = 9 and then 1/2 + 1/2 = 1 so 9+ 1 = 10

10- 2 1/2 = 7 1/2
5 0
3 years ago
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NikAS [45]
8 because x + 8 =y Example : 18+8 = 26
7 0
3 years ago
99 points
Scrat [10]
l \ equal \ 3m \\\\ therefore, 6 *L^2=6*3^2 = (6*9)

((6*9)) = 54m^2

<span>27 m²
30 m²
36 m²
54 m²</span>
3 0
4 years ago
Read 2 more answers
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