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brilliants [131]
3 years ago
12

Write an equation of the circle with center (-7, -4) and radius 6 .

Mathematics
1 answer:
siniylev [52]3 years ago
8 0

Answer:

(x+7)^2 + (y+4)^2 = 6^2

or

(x+7)^2 + (y+4)^2 = 36

Step-by-step explanation:

We can write the equation of a circle in the form

(x-h)^2 + (y-k)^2 = r^2

Where (h,k) is the center and r is the radius

(x--7)^2 + (y--4)^2 = 6^2

(x+7)^2 + (y+4)^2 = 6^2

or

(x+7)^2 + (y+4)^2 = 36

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An art supply store buys paintbrush sets for $2 and sells them at a markup of 240%. One day, they decide to put the sets on sale
pav-90 [236]

Answer:

A. <em>6.12</em>

Step-by-step explanation:

if you mark up 2.00$ with 240% you get 6.80 $

then, 0.68 is 10% of 6.80%

if you subtract 0.68 your answer will be 6.12$

So your answer is A. 6.12$

5 0
2 years ago
Read 2 more answers
What is the value of x in the equation 2x + 1/2x + 2(1+x) = 29?
erica [24]

Answer:

<h2>x = 6</h2>

Step-by-step explanation:

2x  +  \frac{1}{2} x + 2(1 + x) = 29

Multiply through by 2

That's

4x + x + 4(1 + x) = 58

<u>Expand</u>

That's

5x + 4 + 4x = 58

9x = 58 - 4

9x = 54

Divide both sides by 9

That's

\frac{9x}{9}  =  \frac{54}{9}

We have the final answer as

<h3>x = 6</h3>

Hope this helps you

5 0
3 years ago
Why are tenths, fifths, fourths, and halves easy<br> to express as percent?
Marysya12 [62]
Because they all go into 100 easily. for example 10×10=100 5×20=100
6 0
2 years ago
Please help this is due today please I really need the help!!!
Phantasy [73]

Answer:

X=34°

Y= 56°

Angle HIF are 90° when we bisectors YI 90-34

Therfore y = 56°

FGI are a triangle sum of it is 180 = 90+56

146 - 180

X= 34

5 0
3 years ago
2(4K + 7)<br> Helppp lol
Hoochie [10]
8k+14

Hope this helps !!!
8 0
3 years ago
Read 2 more answers
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