3 years ago

First to answer will be the brainliest I need the answer ASAP

Mathematics

1 answer:

tatuchka [14]3 years ago

3 0

6b+2 I think I combined them and that’s what I got

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What is the radius of a circle whose equation is x2 + y2 – 10x + 6y + 18 = 0? how many units?

morpeh [17]

$(x-a)^2+(y-b)^2=r^2$
$x^2 + y^2 - 10x + 6y + 18 = 0\\\\ x^2-10x+y^2+6y+18=0 \\\\ (x-5)^2-25+(y+3)^2-9+18=0\\\\ (x-5)^2+(y+3)^2=16\\\\ r^2=16$
$r = \sqrt{16} \\\\ r=4$

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4 years ago

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There are 20 families living in the Willbrook Farms Development. Of these families, 10 prepared their own federal income taxes f

ioda

Answer:

a) 1/2

b) 9/40

Step-by-step explanation:

Given

Total number of families living in Willbrook Farms Development = 20

Number of families preparing their own federal income taxes for last year = 10

Number of families for which taxes were prepared by a local professional = 7

Number of families for which taxes were prepared by H&R Block = 3

a) Probability of selecting a family that prepared their own taxes = 10/20 = 1/2

b) The probability of selecting two families, both of which prepared their own taxes

10/20 * 9/20 = 9/40

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3 years ago

If you flip a coin or roll a 6-sided die, what is the probabilty that you will flip a tails and roll a 2?

telo118 [61]

Answer:

$\frac{1}{12}$

Step-by-step explanation:

P(tail) = $\frac{1}{2}$

P(2) = $\frac{1}{6}$

P(tail and 2 ) = $\frac{1}{2}$ × $\frac{1}{6}$ = $\frac{1}{12}$

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3 years ago

Your peers always get to the playground first and take all of the balls. It takes you longer to put on your clothes, so you alwa

melomori [17]

Answer:

Talk to a teacher

Step-by-step explanation:

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4 years ago

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Tamiku [17]

Answer:

30%. Based on the given conditions, formulate: 12/40 Cross out the common factor: 3/10 Multiply a number.

Step-by-step explanation:

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3 years ago