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2 years ago

15

The diagram below shows a sign that Annie designed. It is made of two circles that share the same center. Annie wants to use str

ing to create a border around the outermost edge of the sign. About how many inches of string does Annie need?

1 answer:

Pavel [41]2 years ago

3 0

132 in

Step-by-step explanation:

Take the total radius = 18+3 = 21= R (say)
Simply use the formula for the circumference i.e. 2*pi*R
2*22/7*21= 132

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An electrician charges $40 dollars to come to your house. She also charges $55 for each hour that she works. The electricion cha

Alexxx [7]

Answer:

your question doesn't make sense if an electrician came to your house it would cost $40 then $55 dollars per hour but there is no way that you can solve that (40+(55•2)=150+55=205 which is already over $190 dollars

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2 years ago

point a has the coordinates(2,5) point B has the coordinates (6,17) how long is segment ab in simplified radical form

IRISSAK [1]

Answer:

$4\sqrt{10}$

Step-by-step explanation:

We have been given that point A has the coordinates(2,5) point B has the coordinates (6,17).

To find the length of segment AB we will use distance formula.

$\text{Distance}=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Upon substituting coordinates of point A and point B in distance formula we will get,

$\text{Distance between point A and point B}=\sqrt{(6-2)^2+(17-5)^2}$

$\text{Distance between point A and point B}=\sqrt{(4)^2+(12)^2}$

$\text{Distance between point A and point B}=\sqrt{16+144}$

$\text{Distance between point A and point B}=\sqrt{160}$

$\text{Distance between point A and point B}=4\sqrt{10}$

Therefore, the length of segment AB is $4\sqrt{10}$ .

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3 years ago

Can the sum of two mixed numbers be equal to 2?

igomit [66]

No it cant because a mixed number is over one unless that mixed number is negative

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3 years ago

Read 2 more answers

Describe how you could draw a diagram for a problem about finding the total length for two strings, 15 inches long and 7 inches

Varvara68 [4.7K]

Two strings are 15 inches and 7 inches long.

You could draw a diagram that has two rulers (that are longer than 12 inches).

Draw a piece of string that is exactly 15 inches on one ruler.
Draw another piece of string on the other ruler at exactly 7 inches.

Then you can find the total length of the two strings by adding 15 and 7 inches.
15 + 7 = 22

The total length of both the strings is 22 inches. You can draw a ruler and a piece of string on it at 22 inches.

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3 years ago

Can you help me?

jarptica [38.1K]

Answer:

f(x) = x + 3 and g(x)= $x^{2}$ - 2 ( f - g )(7t)

I'm not sure, I just tried ma best :) !

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2 years ago