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MAVERICK [17]
1 year ago
5

Determine whether Point A lies on the circle whose center is Point C and whichcontains the Point P. Justify your answer mathemat

ically using a graph of the circle.a. Point A(-5,2); Point C(0,0); Point P(2,-5)

Mathematics
1 answer:
Arada [10]1 year ago
8 0

The Solution:

Given:

Center = (0,0)

Point A = (-5,2) being a point on the circle.

We are required to check if point P = (2,-5) is on the circle.

Solving the given problem graphically, we have:

From the above graph, it is clear that point P(2,-5) is a point on the circle.

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The sum of the roots of x² + 6x - 55 = 0 is: <br> A. 6 <br> B. -6 <br> C. -55
lana66690 [7]

Answer:

B

Step-by-step explanation:

the sum of the roots = - \frac{b}{a}

x² + 6x - 55 = 0

with a = 1 , b = 6 , then

sum of roots = - \frac{6}{1} = - 6

4 0
2 years ago
Can someone help me solve for y
juin [17]
The answer for y is 20
3 0
3 years ago
Read 2 more answers
Jamie needs some clothes for school. He will purchase 5 socks for $ 1.31 each, 3 dozen t-shirts at $ 2.34 a dozen, and a pair of
kaheart [24]

Answer:

he was a little bit off but he was close because it $26.95

Step-by-step explanation:

1. 5 x 1.31= 6.55

2.  3x2.34=7.02

3.  6.55+7.02+13.38=  26.95

5 0
3 years ago
Read 2 more answers
Determine the number of pounds of nuts selling for $6 per pound and raisins selling for $3 per pound
Luda [366]
For the mix you need 60 Ib of nuts and raisins, and 60 lb of mix will sell for $300.
Let <em>x</em> be the weight of nuts and <em>y</em> the weight of raisins needed for the mix.
Total weight = <em>x</em>+<em>y</em> = 60, so <em>y</em> = 60 - <em>x</em>
Total value = 6<em>x</em> + 3<em>y</em> = 300.  From the above, we can substitute the <em>y</em> for 60 - x:
Total value = 6<em>x</em> + 3(60 - <em>x</em>) = 300, which we can simplify to:
6<em>x</em> + 180 - 3<em>x</em> = 300, and simplify again to:
3<em>x</em> = 120, and again to:
<em>x</em> = 40.  We can now calculate<em> y</em> from the first equation y = 60 - <em>x</em>, so:
y = 20.
40 lb of nuts and 20 lb of raisins.  Check:
40 lb x $6/lb = $240, and 20 lb x $3/lb = $60, $240 + $60 = $300.



7 0
3 years ago
Mr. Johnson has his newspaper delivered every day. He determines the probability the newspaper is on his front porch is 0.64. Th
n200080 [17]

Answer:

Step-by-step explanation:

Probability of getting the newspaper on his front porch = P(A) = 0.64

Probability of finding the newspaper on his  lawn = P(B) =? (We don't know, this is what we have to find.)

Total probability = 1

Formula, P(A) + P(B) = 1

Let's put all values in this formula,

              0.64 + P(B) = 1

              P(B) = 1 - 0.64

              P(B) = 0.36

Thus, the probablity that Mr. Johnson finds his newspaper on his lawn is 0.36 or 36%.

3 0
3 years ago
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