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Ne4ueva [31]
3 years ago
5

Can you find the area

Mathematics
2 answers:
yaroslaw [1]3 years ago
7 0
Area = 45 + 90
Answer: 135
baherus [9]3 years ago
7 0
First find the bigger rectangles area by doing 10 x 9 the area of that section is 90. The other part subtract 9 from 18 to get 9. Multiply 9 and 5 to get 45. add 45 and 90 to get the final answer 135
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What is the equation of the circle with center (1, −1) that passes through the point (5, 7)?
kykrilka [37]

Answer:

Option C (x-1)^2+(y+1)^2=80

Step-by-step explanation:

step 1

Find the radius of the circle

we know that

The distance from the center of the circle to any point on the circumference of the circle is equal to the radius of the circle

we have

(1,-1) and (5,7)

the formula to calculate the distance between two points is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}

substitute the values

d=\sqrt{(7+1)^{2}+(5-1)^{2}}

d=\sqrt{(8)^{2}+(4)^{2}}

d=\sqrt{80}\ units

step 2

Find the equation of the circle in center radius form

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

where

(h,k) is the center

r is the radius

substitute

(x-1)^2+(y+1)^2=(\sqrt{80})^2

(x-1)^2+(y+1)^2=80

3 0
3 years ago
What is 60% out of 40?
Afina-wow [57]

Answer:

24

Step-by-step explanation:

Divide 40 by 10 and multiply your answer by 6

8 0
3 years ago
If a cylinder has a volume of 400 m3 and a radius of 4 m, what is its height?
Fittoniya [83]
Volume = pi x radius^2 x height
400=3.14 x 4^2xheight
400=50.24h
400/50.24= h
7.96 = height

3 0
4 years ago
Can anyone help please? Just a quick answer or explain it.
QveST [7]

Answer:

B

Step-by-step explanation:

mrk brainliest plz

4 0
3 years ago
Answer would be appreciated but you can just give me the formula instead !
RSB [31]

Answer:

formula:

A=(A+B/2)H

Step-by-step explanation:

Hope I helped and good luck :)

4 0
3 years ago
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