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mel-nik [20]
3 years ago
6

Alexandra earns $125 from her paper route each month, but she spends about $20 each month on personal expenses to pay for a scho

ol trip that costs $800 about how many months does she need to save money? Explain
Mathematics
1 answer:
SVEN [57.7K]3 years ago
8 0
125 per month-$20 per month expences=105 savings each month
800/105= number of months needed to save

Answer 7.6 (rounded) roughly about 7 and a half months. If shes paid monthly, then 8 montjs needed
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I need help with these three questions (please help me turn them into algebraic form) Thanks!
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5 / (x - 3) <== ur expression

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20x - 11 <== ur expression

the difference means subtract 
the difference of 30 and a number, multiplied by 2
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7 0
3 years ago
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Geometry question please help!
fiasKO [112]

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4

Step-by-step explanation:

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Hope it helps...

Marking me as Brainliest would help me... :(

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2 years ago
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Kitty [74]

Answer:

<em><u>= </u></em><em><u>28.27m   </u></em>

Step-by-step explanation:

<h3>                      AREA OF CIRCLE <u>= 2 π r</u></h3>

                                                    = 2 x 3.14 x 3m  

                                                      <em><u>= 28.27m   </u></em>

4 0
3 years ago
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xz_007 [3.2K]
It would be 1 fjjffjdj fifth because the ending would replace the 8
4 0
2 years ago
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Find the center and radius of the circle described by the equation
Debora [2.8K]
Complete the square fr x and y's sepreatly to get into form
(x-h)²+(y-k)²=r²
the center is (h,k) and radius is r

so


group x's and y's seperatly
(4x²-10x)+(4y²+24y)+133/4=0
undistribute leading confident from each
4(x²-2.5x)+4(y²+6y)+133/4=0
take 1/2 of each linear confident and square it and add negative and positive inside the parenthasees
-2.5/2=-1.25 (-1.25)²=1.5625
6/2=3, 3²=9
4(x²-2.5x+1.5625-1.5625)+4(y²+6y+9-9)+133/4=0
factor perfect squares
4((x-1.25)²-1.5625)+4((y+3)²-9)+133/4=0
expand
4(x-1.25)²-6.25+4(y+3)²-36+133/4=0
4(x-1.25)²+4(y+3)²-9=0
add 9 to both sides
4(x-1.25)²+4(y+3)²=9
divide both sides by 4
(x-1.25)²+(y+3)²=9/4
(x-1.25)²+(y+3)²=(3/2)²

the center is (1.25,-3) and the radius is 1.5
8 0
3 years ago
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