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3 years ago

PLS HELPP I WILL BE GIVING 30 POINTS AND BRINLIEST :)

Mathematics

1 answer:

forsale [732]3 years ago

6 0

Answer:

88m

Step-by-step explanation:

Hey There!

Essentially the question is asking for the circumference of the circular garden

The first thing that we want to do is find the formula of for the circumference

$C=2r\pi$

14x2=28

they said to use $\frac{22}{7}$ for pie

so we do

$\frac{22}{7} x28=88$

so the circumference is 88m

or the amount of fencing needed is 88m

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A copy machine can print 480 copies every 4 minutes.<br> How many copies can it print in 10 minutes?

Irina-Kira [14]

Step-by-step explanation:

So you need to figure out how much it can print in 1 minute. You can find that out by dividing 480 by 4. You get 120 which you then multiple by 10.

So the answer is 1,200

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4 years ago

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Mary Sue and Betty have 603 necklaces altogether. Mary Sue has 115 more necklaces than Betty. How many necklaces does Betty have

Blizzard [7]

Let Mary Sue have m necklaces and Betty have b necklaces.

And they have 603 necklaces altogether, that is

m + b =603

And Mary Sue has 115 more necklaces than Betty, that is

m=b +115

Substituting this value in first equation we will get

b+115+b=603

Subtracting 115

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4 years ago

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Elanso [62]

Option C:

Perimeter of the $\frac{1}{4}$ of a circle = 10.71 cm

Solution:

Given figure is $\frac{1}{4}$ of a circle.

It is a quarter of a circle.

Radius = 3 cm, Value of <em>π</em> = 3.14

To find the perimeter of the quarter of a circle.

Perimeter of the quarter of a circle formula: $$\frac{\pi r}{2}+2r$

$\text {Perimeter} =\frac{\pi r}{2}+2r$

$=\frac{3.14\times3}{2}+2\times3$

$=4.71+6$

$=10.71$

Perimeter of the quarter of a circle = 10.71 cm

Option C: 10.7 is the correct answer.

Hence perimeter of the $\frac{1}{4}$ of a circle is 10.71 cm.

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4 years ago

Emergency helpn please i dk wut they mean

galben [10]

Answer:

the first one is correct

Step-by-step explanation:

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