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kipiarov [429]
3 years ago
14

Hey, can someone help??? I don't have much time left.

Mathematics
2 answers:
antiseptic1488 [7]3 years ago
5 0
Answer is 26.50 square units
Explanation:
Since the information given to you was areas all you needed to do was add those numbers up: 7.95+9.8+8.75
Alex73 [517]3 years ago
4 0

Answer:

Add it all together

Step-by-step explanation:

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Which equation of a circle represents the graph?
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r=5

x²+y²=5²
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3 years ago
A phone company charges a $4 monthly service fee and $0.25 for every minute of long-distance call time. If your telephone budget
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Assuming it's the amount of minutes you can call per month:
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7 0
4 years ago
What is the radius of a circle with the equation x^2+y^2+6x-2y+3?
atroni [7]

Answer:

r = √13

Step-by-step explanation:

Starting with x^2+y^2+6x-2y+3, group like terms, first x terms and then y terms:  x^2 + 6x            + y^2 -2y             = 3.  Please note that there has to be an " = " sign in this equation, and that I have taken the liberty of replacing " +3" with " = 3 ."  

We need to "complete the square" of x^2 + 6x.  I'll just jump in and do it:  Take half of the coefficient of the x term and square it; add, and then subtract, this square from x^2 + 6x:     x^2 + 6x  + 3^2 - 3^2.  Then do the same for y^2 - 2y:  y^2 - 2y + 1^2 - 1^2.

Now re-write the perfect square x^2 + 6x + 9 by (x + 3)^2.  Then we have x^2 + 6x + 9 - 9; also y^2 - 1y + 1 - 1.  Making these replacements:

(x + 3)^2 - 9 + (y - 1)^2 -1 = 3.  Move the constants -9 and -1 to the other side of the equation:  (x + 3)^2 + (y - 1)^2 = 3 + 9 + 1 = 13

Then the original equation now looks like (x + 3)^2 + (y - 1)^2 = 13, and this 13 is the square of the radius, r:  r^2 = 13, so that the radius is r = √13.


8 0
3 years ago
Read 2 more answers
PLEASE HELP!
anyanavicka [17]

A customer that uses an internet plan that costs $10 per month is expected to give a customer rating of 6

<h3>How to determine the customer rating?</h3>

We start by calculating the regression equation of the table of values using a graphing calculator.

Using the graphing calculator, we have:

y = 0.04x + 5.75

When the cost is $10 per month, it means that

x = 10

So, we have:

y = 0.04 * 10 + 5.75

Evaluate

y = 6.15

Approximate

y = 6

Hence, a customer that uses an internet plan that costs $10 per month is expected to give a customer rating of 6

Read more about regression equations at:

brainly.com/question/17844286

#SPJ1

8 0
2 years ago
Find Tims salary if she paid $1,500.50 biweekly
igor_vitrenko [27]
If he gets paid twice a month, or every other week his salary is $36,012. If he gest paid twice a week then his salary is $72,024.
5 0
3 years ago
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