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Furkat [3]
2 years ago
8

Find the area of a circle with radius=25cm give your answer rounded to 3sf

Mathematics
1 answer:
Svet_ta [14]2 years ago
8 0

Answer:

A≈1963.5cm²

Step-by-step explanation:

I think

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Is -7 greater than -4​
antiseptic1488 [7]
No you’re welcome :)
5 0
3 years ago
Read 2 more answers
7.5 4.2
Studentka2010 [4]
<span>✡ Answer: x=6.72 </span><span>✡


- - Solve:

</span><span><span>- - First step is to cross-multiply:
</span>- </span><span>7.5*x=4.2*12
- 7.5x=50.4

- - The next step is to divide both sides by the number </span><span>7.5
-\frac{7.5x}{7.5} =  \frac{50.4}{7.5} &#10;

</span>
<span>- - x=6.72</span>




✡Hope this helps<span>✡</span>
3 0
3 years ago
Solve for c. -3b+ac=c-4. Please show all work.
Luden [163]
-3b+ac=4
Move c to the left and - 3b to the right
ac-c=-4+3b
Now factor by c at the left
c(a-1)=-4+3b
Divide the right by a-1
C=(-4+3b)/(a-1)
6 0
3 years ago
Read 2 more answers
Can you please help me with my math thank you
gayaneshka [121]
2•8.2•5.1=83.64 square feet.
ANSWER: 83.64 Square Feet
7 0
2 years ago
Solve #2 with an explanation please
KatRina [158]
The fence is 210 ft long.
There is a post every 3.5 ft.
If you divide 210 ft by 3.5 ft, you get the number of spaces between posts.
(210 ft)/(3.5 ft) = 60
The fence starts with a post. Then there is 3.5 ft of fencing. Then there is another post. Then there is another 3.5 ft of fencing followed by a post. In total there are 61 posts.

Here's another way of thinking of why you end up with 60 posts.
For each 3.5 ft of fencing, you place a post at the end of the fencing.
Since there are 60 3.5-ft-long pieces of fencing, there will be 60 posts, one at the end of each piece of fencing. The first thing that is done is to put the initial post before any fencing is put up. The first post plus 60 more posts add up to 61 posts.

Now that you see why there are 61 posts, we can calculate their cost.
61 * $8.50 = $518.50
5 0
3 years ago
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