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vivado [14]
2 years ago
6

Can someone help with 3?

Mathematics
1 answer:
kupik [55]2 years ago
6 0

Answer:

120-30 is accurate because if you divide 120 by 100 you get 1.2 when multiplied by 25 equals 30

Step-by-step explanation:

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A circle with the diameter of 40 inches. what is the area?
Vsevolod [243]

Answer:

<em>A= 1256</em>

Step-by-step explanation:

<u>The formula for area of a circle is </u>A=\pi r^{2}

1. Diameter is DOUBLE of radius, so the diameter must be divided by 2. <em>40/2 = 20. </em>

<em>2. </em>Then, plug in the values into the area formula. <em>A= 3.14</em>(20^{2})

3. Solve.<em> A= 1256</em>. (Remember that 20 squared is <em>20x20</em>)

7 0
3 years ago
Help pls also show work if needed!!
kifflom [539]

Answer:

2a. No False

2b. Yes True

2c. Yes True

2d. No False

Step-by-step explanation:

4 0
3 years ago
Write the number 2.738 correct to 2 decimal places.
Andrei [34K]

Answer:

which way

Step-by-step explanation:

8 0
3 years ago
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How do we find the rate of a loan if the total payment is $1,235. The loan was $800 in 5 years
garik1379 [7]
$1235-$800=$435 thus the I which is the simple interest
:I=PRT all over 100
435=800(R) (5)all over 100
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:R=10.88%
7 0
3 years ago
5k^3-8-4k^2+5k^2-2+3k^3
lara31 [8.8K]
<h3>I'll teach you how to solve 5k^3-8-4k^2+5k^2-2+3k^3</h3>

-----------------------------------------------------------------------

5k^3-8-4k^2+5k^2-2+3k^3

Group like terms:

5k^3+3k^3-4k^2+5k^2-8-2

Add similar elements:

5k^3+3k^3+k^2-8-2

Add similar elements:

8k^3+k^2-8-2

Subtract the numbers:

8k^3+k^2-10

Your Answer Is 8k^3+k^2-10

Plz mark me as brainliest :)

7 0
3 years ago
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