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Feliz [49]
4 years ago
5

Ok. The point (3,0) lies on a circle with the center at the origin. What is the area of the circle?

Mathematics
1 answer:
Fittoniya [83]4 years ago
7 0
If a point on the circle is (3,0) then the radius is 3 units. 
The area of the circle is \pi *r^{2}
\pi *9
about 28.27 units
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Graph the image of this figure after a dilation with a scale factor of 2 centered at (2, 2).
Maru [420]

Answer:

(-6,6), (0,12), (4,8)

Step-by-step explanation:

To dilate an object, we need to multiply the x and y values by the given scale factor.

In this case the scale factor is 2 --> 2(x, y)

Before-> After dilation

2(-3,3) = (-6,6)

2(0,6) = (0,12)

2(2,4) = (4,8)

Please leave a 'thanks' if this helps!

6 0
3 years ago
Part A
AnnZ [28]

Answer:

blue green and yellow

Step-by-step explanation:

7 0
3 years ago
If 3a-2b= 8 and a+3b=7 what is the value of 4a+b?
Fittoniya [83]
Step 1: Find the value of one variable in terms of the other.

a+3b=7\\a=7-3b

Step 2: Substitute the value you just found for this variable in the other equation.

3a-2b=8\\3(7-3b)-2b=8\\21-9b-2b=8\\21-11b=8\\21=8+11b\\13=11b\\\frac{13}{11}=b\\ b=1\frac{2}{11}

Step 3: Use your new value for the second variable to find the first.

a+3b=7\\a+3(1\frac{2}{11})=7\\a+3\frac{6}{11}=7\\\\a=3\frac{5}{11}

Now that we know the values for a and b we can find the value of 4a+b.

4a+b\\4(3\frac{5}{11})+1\frac{2}{11}\\12+\frac{20}{11}+1\frac{2}{11}\\\\12+1\frac{9}{11}+1\frac{2}{11}\\\\\boxed{15}
6 0
4 years ago
Draw a right triangle with side lengths of 3, 4, and 5 units. <br> and answer the problem please :')
11111nata11111 [884]

Answer:

Image below

Step-by-step explanation:

<em>Given: Side lengths of a right triangle 3,4 and 5 units. </em>

<em> To draw: A right triangle with the given side length. </em>

<em> Solution: </em>

<em> We know, in a right angle triangle hypotenuse is the longest side and satisfying Pythagoras theorem. </em>

<em> From the given side length, </em>

<em> Hypotenuse = 5 unit </em>

<em> We can take any of the base and perpendicular. </em>

<em> Let, Base = 3 unit </em>

<em> Perpendicular = 4 unit. </em>

<em> It a right-angle triangle with a hypotenuse 5 unit. </em>

<em> Now we draw a right angle triangle taking in the first 3 base and 4 perpendicular and second 3 perpendicular and 4 bases.</em>

8 0
3 years ago
Read 2 more answers
Please help me someone​
FinnZ [79.3K]

Step-by-step explanation:

Your answers are given in the attachment

please check it once if it is helpful to you or not

7 0
3 years ago
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