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ivann1987 [24]
2 years ago
6

Enter the answer as an exact decimal or simplify

Mathematics
1 answer:
bixtya [17]2 years ago
6 0

Answer:

1/2

Step-by-step explanation:

Write all numerators above the leas common denominator 10

Calculate the sum -2+7=5

5/10

reduce the fraction by dividing both sides by 5

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BRAINLIESTT ASAP! PLEASE HELP ME :)<br> thanks!
VashaNatasha [74]
Since 3x+17=5x-3, x= 10. so angles
5 0
3 years ago
Read 2 more answers
Write the equation of the circle whose center is (-4,8) and has a diameter of 18
svetoff [14.1K]

Answer:

(x + 4)^2 + (y - 8)^2 = 81

or

(x + 4)^2 + (y - 8)^2 = 9^2 depending on how your teacher wants it written.

Step-by-step explanation:

The standard form for a circle is

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

r is the radius.

You are given the diameter

r = d/2

r = 18/2

r = 9

So you already have the right hand side of the equation

(x + h)^2 + (y + k)^2 = 9*2

(x + h)^2 + (y + k)^2 = 81

You basically have h and k as well. They come from the center point.

h = 4

k = - 8

So the equation of the circle (and the answer) is

(x + 4)^2 + (y - 8)^2 = 81

One question remains. Why do the x and y values change signs? If you know what the distance formula is, then what you are finding is the distance r of all points on the circle from the center of the circle.

It is the distance formula that is actually the formula for the circle.

6 0
2 years ago
The debate team has 15 members. Each member sold c coupon books as a fundraiser. Write an expression that shows the number of co
Svetllana [295]

15c

The team has fifteen members and each member sells an unknown amount of coupon books.

7 0
3 years ago
What is 4/11 in decimal form?
Rudiy27
4/11 is 0.363636363636
And "36" just keeps repeating
5 0
3 years ago
You estimate that a baby pig weighs 21 lbs but it weighs 28 lbs what is the percent of error
lbvjy [14]
Your estimate of the baby pig's weight is 2 pounds. However the actual weight of it is only 16 pounds.
Let's solve for the percentage error of this.
=> 20 - 16 = 4 pounds
=> 4 / 16 = 0.25
=> 0.25 * 100% = 25%
Thus, you added 25% of the baby pig's weight
3 0
3 years ago
Read 2 more answers
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