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wlad13 [49]
3 years ago
11

write the standard form of the equation of the circle with radius and center (h,k). r =4; (h,k) = (-2,-3) nee help please answer

.

Mathematics
2 answers:
VMariaS [17]3 years ago
5 0
The equation of the circle is written as (x-h)² + (y-k)² = r²

With the given center and radius the equation will be 

(x + 2)² + (y + 3)² = 16

The answer is A

Hope this helps :)
Hoochie [10]3 years ago
5 0
The standard form of the circle equation is:
{(x - h)}^{2}  +  {(y - k)}^{2}  =  {r}^{2}
In this problem,
r = 4
h = -2
k = -3

Therefore, we just plug in the numbers and simplify:
{(x - ( - 2))}^{2}  +  {(y - ( - 3))}^{2}  =  {(4)}^{2}  \\  {(x + 2)}^{2}  +  {(y + 3)}^{2}  = 16
The correct answer is A
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Grant walks 4/5 of a mile in 1/4 hour. What is his ratio of miles to hours in simplest form?
Sedbober [7]

Answer:

You can always ask the tutor they give the correct answer :))

8 0
3 years ago
What is the value of x in this equation
eduard
The the first one the answer should be -4

For the second one the answer should be 3
7 0
3 years ago
Read 2 more answers
Solve for b, then solve for each angle in the triangle
lesya692 [45]

We know that the sum of the interior angles of a triangle equals 180, then,in this case we have the following equation:

b+2b+(b+16)=180

then, solving for b, we get:

\begin{gathered} b+2b+(b+16)=180 \\ \Rightarrow4b+16=180 \\ \Rightarrow4b=180-16=164 \\ \Rightarrow b=\frac{164}{4}=41 \\ b=41 \end{gathered}

now that we have that b = 41, we can find the measure of each angle:

\begin{gathered} b=41 \\ 2b=2(41)=82 \\ b+16=41+16=57 \end{gathered}

7 0
1 year ago
The next model of a sports car will cost 5.2% less than the current model. The current model costs $41,000. How much will the pr
Ivanshal [37]

The price will decrease by $2132

<u>Step-by-step explanation</u>

Given that the next model of the sports car will cost 5.2% less than the current model.

The price of the current model=$41000

The price of the next model will be 5.2% less than $41000

price\ of\ next\ model=price\ of \ current \ model \times(100-5.2)/100\\=41000\times 94.8/100\\=38868

decrease in price=41000-38868=2132

There is a $2132 decrease in prize of the sports car.

3 0
3 years ago
Given that the two triangles are similar, solve for x if AU = 20x + 108, UB = 273, BC = 703, UV = 444, AV = 372 and AC = 589.
777dan777 [17]

If two triangles are similar then the corresponding sides are in proportion. Thus,

AB / AU = BC / UV = AC / AV

AB / (20x+108) = 703 / 444

Where AB is equivalent to:

AB = AU + UB

AB = 20x + 108 + 273

AB = 20x + 381

Therefore going back to the first equation:

(20x + 381) / (20x + 108) = 703/444

444 (20x + 381) = 703 (20x + 108)

8880x + 169164 = 14060x + 75924

14060x - 8880x = 169164 – 75924

5180 x = 93240

x = 93240 / 5180

<span>x = 18          (ANSWER)</span>

6 0
3 years ago
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