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Irina-Kira [14]
3 years ago
10

PLS HELP! URGENT 10 POINTS!!!

Mathematics
2 answers:
mixer [17]3 years ago
8 0

Answer: 392.7

Step-by-step explanation:

A=πr2=π·52≈78.53982cm² (or 78.54)

78.54 x 5

Anastaziya [24]3 years ago
7 0

Answer:

392.7cm squared (if this is incorrect i apologize.)

Step-by-step explanation:

The Area of 1 circle if the radius of one is 5cm is 78.54. Now I can multiply that by 5 ( the amount of circles ) and my answer will be 392.7cm^2

You might be interested in
11+8q=3q-19 I need help please idk the answer
iren2701 [21]

Answer:

-6

Step-by-step explanation:

1) combine all like terms

(bring 3q to the left and 11 to the right so you can combine the like terms)

(doing that will make 3q negative and 11 negative since your moving them so their sign changes as well)

8q-3q=-19-11

5q=-30

Q=-6

Hope this helps

4 0
3 years ago
A television had a regular price of 1400. It was on sale with a 30 discount. How much is the discount on the television
lilavasa [31]

Answer:

$420.

Step-by-step explanation:

What is 30% off 1400 Dollars. The easiest way of calculating discount is, in this case, to multiply the normal price $1400 by 30 then divide it by one hundred. So, the discount is equal to $420.

6 0
3 years ago
Please answer number 1 and 2.
zavuch27 [327]

1, a.) The two specific conjectures are in the first image.

1, b.) The two general conjectures are in the second image.

2, a.) Two specific conjectures for this pattern are:

  • The common difference between two consecutive terms is 3.
  • And the given difference is A.P.

2, b.) From our observation two general conjecture is that the given sequence is an arithmetic sequence and the common difference is 3.

For finding its nth term we can use the formula: a(n) = a + (n-1) x d.

2, c.) A formula for the given pattern is 5 + (n-1)3, where n is the number of the term.

7 0
2 years ago
Evaluate the expression when x=3 and y=-6<br> 7y-x
Alenkasestr [34]
7(-6) - 3
-42 -3
-45
Your answer is -45
8 0
3 years ago
Read 2 more answers
Please assist me with this problem​
n200080 [17]

Answer:

The answer to your question is 90 dB

Step-by-step explanation:

Data

I = 10⁻³

I⁰ = 10⁻¹²

Formula

     Loudness = 10log (\frac{I}{Io})

Process

1.- To solve this problem, just substitute the values in the equation and do the operations.

2.- Substitution

     Loudness = 10 log (\frac{10^{-3}}{10^{-12}} )

3.- Simplify

      Loudness = 10log (1 x 10⁹)

      Loudness = 10(9)

      Loudness = 90

7 0
3 years ago
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