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ANTONII [103]
3 years ago
11

Find the area of A circle whose diameter is 8.3m round to the nearest tenth

Mathematics
1 answer:
koban [17]3 years ago
6 0
D=8.3

8.3/2 = 4.15


R=4.15



4.15* 4.15 * 3.14 = 54.07
HOPE THIS HELPS
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The graph shows the height of a hiker above sea level. The hiker walks at a constant speed for the entire trip. What are the var
Scorpion4ik [409]
It is shown that he goes down in a slower time than he does going up.
3 0
3 years ago
The price of a personal computer was 42,000 last year. If there is a decrease of
prohojiy [21]

You'll calculate the amount it was decreased by :

15% is also 15/100

15/100 * 42000

The two 0's in 100 cut 2 of the 0's in 42000 making it :

15/1 * 420

15* 420 = 6300

So, 6300 is the amount that the price is decreased by, but the question says the price of the PC (personal computer) after the decrease has happened not the price it decreased by :

So,

42000 - 6300 = 35700.

4 0
4 years ago
How do i do this? I dont really know where to start
Alex787 [66]
Well, I don’t necessarily remember how to sketch a plane. However, I can help get you started by defining some words they use and hopefully you will be able to do this on your own!

So this plane is made up of three points, names E, D and B. (Edit: This plane may be made up of four points, because of point A.)

E and B are collinear with A. This basically means that they all are on the same line.

D is a vertex. This basically means that it is a dot that these two lines called rays will shoot out of it. I will attach a picture of a vertex.

CD and FD are called rays. See those little lines above them? I’ll be sure to attached another image so that you know what I’m taking about. Anyway, that means they are rays. Rays are like never ending lines; they start at a point and the line will go on for infinity.

(Edit: where did the point f come from? I really wish you would have attached the full picture...)

Whelp, that’s all I’ve got! Good luck!!

(Edit: looks like I can only attach one picture...I’ll comment the other.)

8 0
3 years ago
At the beginning of the day, Meredith has 85.4 pounds of apple to sell at the farmers market. The table shows the change in the
fredd [130]

the answer is I think -10.2

6 0
3 years ago
Which expression is equivalent to 56x-28y + 42?
NeTakaya

Answer:

Letter c

Step-by-step explanation:

You are distributing the 7 to each term in the parentheses.  

7(8x) is 56 x

Here is the tricky part.  You can think of it a couple of ways:

7(-4y) = -28y  a positive times a negative is a negative.

or 7(4y) = 28 , but then remember that you are subtracting so it will become  -28

7(6) = 56

56x - 28y +42

4 0
2 years ago
Read 2 more answers
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