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r-ruslan [8.4K]
3 years ago
15

Help me and I'll give brainlist to you!!!!!!!!

Mathematics
1 answer:
marysya [2.9K]3 years ago
3 0

Answer:

d

Step-by-step explanation:

We just need to use the formula:

c = 3.14(r)²

So we can insert the radius here

c = 3.14(7)²

c = 3.14(49)

c = 153.86

So your answer is d.

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(26)x = 1, what is the value of x
slamgirl [31]

Answer:

x = 1/26

Step-by-step explanation:

(26)x = 1

26x = 1

x = 1/26

3 0
3 years ago
Help!!!!!!!!!!!!!!!!
pashok25 [27]

Answer:

If the input is n then the output f(n) will be 4n - 8.

Step-by-step explanation:

Let the input of the function is denoted by x and the output is denoted by y.

Then, two ordered pairs of the linear function i.e.(x,y) are (2,0) and (3,4).

Therefore, the relation between x and y i.e. the equation of the straight line will be given by

\frac{y - 4}{4 - 0} = \frac{x - 3}{3 - 2}

⇒ y - 4 = 4(x - 3)

⇒ y = 4x - 8

⇒ f(x) = 4x - 8

Therefore, if the input is n then the output f(n) will be 4n - 8. (Answer)

6 0
3 years ago
Can someone please help me figure out how to solve this?
laiz [17]

Answer:

B. 48m²

Step-by-step explanation:

The formula for volume is length (base) times width times height, or LWH. If you break the shape into three separate areas, you can figure out the volume for each part and then add it up.

The large part on the bottom is 7m long, 2m across. Since we know the entire shape is 4m tall and the indent is 2m deep, we know that the height for the bottom part will also be 2m. <u>7 · 2 · 2 = 28.</u>

The block on the left is 2m tall, 2m across, and its width is also 2m as shown by the measurement on the bottom-right. <u>2 · 2 · 2 = 8.</u>

Finally, the block on the right is 2m tall, 3m across, with a width of 2m. <u>3 · 2 · 2 = 12.</u> And when you add it all up, <u>28 + 8 + 12 = 48.</u> Hope this helps! Feel free to ask any questions!

5 0
3 years ago
Write in standard form. <br><br> a) 2 4 b) 10 3 c) 3 5 d) 7 3 e) 2 8 f) 4
adoni [48]

Answer:

2 4 2 8 3 7 3 10 4 hope it will work

7 0
3 years ago
The cost of 8 pencils in Rupees 16 find the cost of 5 pencils​
klio [65]

Answer:

Step-by-step explanation:

cost of 8 pencils=16

cost of 1 pencil=16/8

=Rs 2

cost of 5 pencil=5*2

=Rs 10

3 0
3 years ago
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