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Tanya [424]
3 years ago
10

The equation of a circle is (x-1)^2 +(y-2)^2=4. What is the center of the circle and what is the radius of the circle?

Mathematics
1 answer:
Virty [35]3 years ago
8 0

Answer:

Step-by-step explanation:

(x-1)²+(y-2)² =4 compare the given equation with the general one

(x-h)² +(y-k)² =r², where (h, k) are coordinates of the center and r is radius

so center is at ( 1, 2) and radius is 2

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A car is traveling at 65 miles per hour how many miles does the car travel in 1.5 hours
uysha [10]

Answer:

speed times time

65×1.5=97.5miles

8 0
4 years ago
Read 2 more answers
f(x) = 0.2^x is transformed 9 units right, compressed vertically by a factor of 1/6 and reflected across the x-axis. Write the t
postnew [5]

Answer:

The function g(x) is defined as g(x)=-\frac{1}{6}(0.2)^{x-9}.

Step-by-step explanation:

The given function is

f(x)=-(0.2)^x

The function f(x) transformed 9 units right, compressed vertically by factor of 1/6 and reflected across the x-axis.

The transformation of function is defined as

g(x)=kf(x+b)+c

Where, k is vertical stretch, b is horizontal shift and c is vertical shift.

If b>0, then the graph of f(x) shifts b units left and if b>0, then the graph of f(x) shifts b units right.

If c>0, then the graph of f(x) shifts c units upward and if c>0, then the graph of f(x) shifts c units downward.

The value of b is -9 because the graph shifts 9 units right. The value of k is 1/6. If the graph of function f(x)reflect across x-axis, therefore the function is defined as -f(x).

g(x)=\frac{1}{6}(-f(x-9))

g(x)=-\frac{1}{6}(0.2)^{x-9}            [\because f(x)=-(0.2)^x]

Therefore the function g(x) is defined as g(x)=-\frac{1}{6}(0.2)^{x-9}.

7 0
3 years ago
Read 2 more answers
What is the value of x?<br><br> A.31<br> B.41<br> C.29<br> D.60
Oksana_A [137]

your answer is c 29. To figure this out take 59-180= 121. Then add 121 and 30 =151. next subtract 151 from 180 and you get C 29

7 0
3 years ago
If y(x) = 3x – 2 and g(x) = 2x+1, find (f- g)(x).
r-ruslan [8.4K]

Answer:

(f- g)(x) = x - 3

Step-by-step explanation:

(f- g)(x) = f(x) - g(x)

This means that you have to subtract the two equation.

If f(x) = 3x - 2 and g(x) = 2x + 1

Then

f(x) - g(x) = [3x - 2] - [2x+1]

= 3x - 2- 2x - 1

= x - 3

∴ (f- g)(x) = x - 3

6 0
3 years ago
A spaceship weighs 410,000 kg. what is this number, without units, in scientific notation?
Nesterboy [21]

Answer:

<h3>4.1 x 10^5</h3>

Step-by-step explanation:

10^5 = 100,000 x 4.1 = 410,000

7 0
3 years ago
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