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jarptica [38.1K]
3 years ago
14

Enter the equation of the circle described below. Center (3, -2), radius = 5

Mathematics
1 answer:
Alik [6]3 years ago
5 0

Answer:

(x-3)^{2} +(y+2)^{2} =5^{2}

Step-by-step explanation:

The equation of the circle with center A=(a,b) and radius = r are:

(x-a)^{2}+(y-b)^{2}  =r^{2}

When A=(3,-2) and radius=r=-5

(x-3)^{2} +(y+2)^{2} =5^{2}

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X + 7y = 21
Ket [755]

Answer:

x=21−7y?

Step-by-step explanation:

I don't really know what else to do

7 0
3 years ago
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A hot air balloon was flying at an altitude of 300 meters when the pilot decided to land by descending at a rate of 2 meters per
krok68 [10]

Answer:

The answer is "150 seconds".

Step-by-step explanation:

\to distance = 300 \ meter\\\\\to speed = 2 \ \frac{m}{s} \\\\\ formula: \\\\ \bold{speed = \frac{distance}{time}}\\\\

time= \frac{distance}{speed}\\\\

        =\frac{300}{2}\\\\=150  \ seconds

7 0
3 years ago
A company offers premium cable for 39.95 per month plus a one time setup fee. The total cost of 6 months of service is 264.70. W
ss7ja [257]

Answer:

Total cost = 983.8

Step-by-step explanation:

Monthly charge = 39.95

One time set up fee = x

Number of months = y

Total cost = x + 39.95y

The total cost of 6 months of service is 264.70.

264.70 = x + 39.95(6)

264.70 = x + 239.7

264.70 - 239.7 = x

x = 25

Total cost = 25 + 39.95y

Write and solve a linear equation to find the total cost for 2 years of service

2 years = 24 months

Total cost = 25 + 39.95y

= 25 + 39.95(24)

= 25 + 958.8

= 983.8

Total cost = 983.8

6 0
3 years ago
P( 4) =<br> 13 and Q( 4) = 8, evaluate P( 4) Q(4).
mariarad [96]
This is a common multiplication problem. Imagine P(4) as x, and Q(4) as y. You are plugging them into the equation x*y. Since x is equal to 13, and y is equal to 8, you are going to plug them into their corresponding variables and multiply. 13 * 8 = 104. The answer is 104.
7 0
3 years ago
An expression is shown.<br>5 x 20 x 10²<br>What is the value of the expression? ​
dangina [55]

Answer:

10,000

Step-by-step explanation:

using PEMDAS we multiply the exponent first to get 5*20*100, now they are all multiplicative so we go left to right, 100*100 which is 10,000

7 0
3 years ago
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