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devlian [24]
3 years ago
10

Solve this please A B C D thanks

Mathematics
1 answer:
evablogger [386]3 years ago
6 0

Answer:

The answer is A.

Step-by-step explanation:

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How did you get 0.36 from 7/20
Tema [17]
I'm confused when I did it I got .35 and you divide
hope it helped

7 0
3 years ago
Find the equation of a circle with a center at (–7, –1) where a point on the circle is (–4, 3).
gogolik [260]

Answer:

(x + 7)^2 + (y + 1)^2 = 25.

Step-by-step explanation:

The center of a circle is easy to set up. According to the formula below, the formula for the circle will be (x - a)^2 + (y - b)^2 = r^2.

In this case, a = -7 and b = -1, so we have...

(x - (-7))^2 + (y - (-1))^2 = r^2

(x + 7)^2 + (y + 1)^2 = r^2

To get the radius, we need to find the distance between the center and the point on the circle. The distance formula is d = sqrt((x2 - x1)^2 + (y2 - y1)^2).

In this case, x2 = -4, x1 = -7, y2 = 3, and y1 = -1.

sqrt((-4 - -7)^2 + (3 - -1)^2) = sqrt((-4 + 7)^2 + (3 + 1)^2) = sqrt((3)^2 + (4)^2) = sqrt(9 + 16) = sqrt(25) = plus or minus 5.

Since distance can only be positive, the distance is 5 units, meaning that the radius is 5 units.

5^2 = 25

So, your equation should be (x + 7)^2 + (y + 1)^2 = 25.

Hope this helps!

8 0
3 years ago
HELP PLZ
Fittoniya [83]
The answer is C. y=4x-3
3 0
3 years ago
Read 2 more answers
The function C (t) = StartFraction 4 t Over t squared + 2 EndFraction models the cost per student of a field trip when x student
choli [55]

Answer:

C. It is vertically stretched by a factor of 200 and shifted 10 units up.

Step-by-step explanation:

<3

7 0
2 years ago
125 is what % of 400?
mixer [17]
Answer: 3.2

Just divide 400 by 125 because the opposite of multiplication is division.

When you divide you get 3.2
8 0
2 years ago
Read 2 more answers
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