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3 years ago

Select the three statements that correctly describe the coordinate system.

Mathematics

2 answers:

defon3 years ago

5 0

Answer:

I think no 3

if wrong correct me please

pls mark me brainliest

#Captainpower

guapka [62]3 years ago

4 0

Answer:

I think no 3

if wrong correct me please

pls mark me brainliest

#Captaingenius

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What is the length of the arc when the degree measure is 60° and the radius is 7?

shepuryov [24]

Inscribed angle =1/2 arc

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3 years ago

I made some brownies and cookies to sell for a local fundraiser. The cookies sold for $0.75 each and the brownies sold for $1.25

juin [17]

Answer:

Brownies made the most money

Step-by-step explanation:

Let c = cookies

b = brownies

We sold 51 items so c+b = 51

Cookies are .75 and brownies are 1.25

.75c + 1.25 b = 53.25

We have 2 equations and 2 unknowns

c = 51-b

Substituting into the second equation

.75(51-b) + 1.25b = 53.25

Distribute

38.25-.75b +1.25b = 53.25

Combine like terms

38.25+.5b = 53.25

Subtract 38.25 from each side

38.25 +.5b -38.25 = 53.25 -38.25

.5b =15

Divide each side by .5

.5b/.5 = 15/.5

b = 30

Now find c

c =51-b

c = 51-30

c = 21

They sold 30 brownies and 21 cookies

30 brownies * 1.25 =37.50

21 cookies *.75 = 15.75

Brownies made the most money

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3 years ago

The square root of an integer n is between 9 and 10. What are all the possible values for n. Explain

sashaice [31]

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The square root of 10 is $\sqrt{100}$
If $\sqrt{n}$ = 9 to 10
then $\sqrt{n}$ = $\sqrt{81}$ to $\sqrt{100}$

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Is there a picture or something to help me understand you're question??

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3 years ago

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Karolina [17]

Answer:

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