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Lemur [1.5K]
4 years ago
6

CAN SOMEONE PLEASE ANSWER THIS! IM DESPERATE! 40 PTS

Mathematics
2 answers:
natulia [17]4 years ago
8 0

The answer to your question is 162.75

Volgvan4 years ago
4 0
For me i'm getting $57.75
You might be interested in
How to calculate square root?
OLEGan [10]
To calculate the square root, you can either use the √symbol on a calculator or you can manually find it using Prime Factorization. For non-perfect squares, Prime Factorization is the way to go. 
 
The first two steps work for solving large perfect squares as well.

1. Divide your number into perfect square factors.

2. Take the square roots of your perfect square factors. 

3. If your number doesn't factor perfectly, reduce your answer to simplest terms. 

4. If needed, estimate. In some cases if you have memorized some of the square roots, you can estimate where the number would be. 
ie.  \sqrt{63}       you know that 7^2 =49 and 8^2 = 64,  so you can estimate that the \sqrt{63} would be between 7 and 8 but closer to 8.

5. <span>Alternatively, reduce your number to its lowest common factors as your first step.</span><span> Finding perfect square factors isn't necessary if you can easily determine a number's prime factors (factors that are also prime numbers).
ie.  </span>\sqrt{45}
 =  \sqrt{9*5}
 = \sqrt{3*3*5}
 =   3 \sqrt{5}

Hope this helped!!!
6 0
4 years ago
can anybody help me with these questions? I have no idea how to do them. the more you could do, the better. Thanks!
vova2212 [387]
1. Square root 3 over 10
2. Square root 6 over 6
3 0
3 years ago
If f(x) =2ײ+2 and g(x) =x² -1, find (f-g) (x)
kondor19780726 [428]

Answer:

\boxed {(f-g)(x) = x^{2}+3}

Step-by-step explanation:

<u>Given</u> :

  • f(x) = 2x² + 2
  • g(x) = x² - 1

Now, this problem can be used using a simple formula.

\fbox {(f - g)(x) = f(x) - g(x)}

Let's solve.

  • (f - g)(x) = 2x² + 2 - (x² - 1)
  • (f - g)(x) = 2x² - x² + 2 + 1
  • (f - g)(x) = x² + 3

∴ The answer will be x² + 3.

7 0
3 years ago
Jason a 4 lengths of rope. The lengths are 3 inches, 15 centimeters, 0.3 meters, and 0.5 feet. About how much rope does Jason ha
AnnZ [28]

Answer: 67.5 cm

Step-by-step explanation:

Jason has 4 lengths of ropes

first is 3\ in.\approx 7.5\ cm

second is 15\ cm

Third is 0.3\ m\approx 30\ cm\quad [\text{1 m = 100 cm}]

fourth is 0.5\ ft\approx 6\ in.\approx 15\ cm\quad [\text{1 ft=12 in.}]

the total length of rope is the sum of four lengths

\Rightarrow 7.5+15+30+15=67.5\ cm

6 0
3 years ago
Angle A and angle B are supplementary. The measure of angle A is 4 less than 7 times the measure of angle B. Find the measure of
Alexeev081 [22]
<span>A = 157, B = 23 The definition of supplementary angles is that they add up to 180 degrees. So A+B = 180. And A = 7B - 4. So write down the formula A + B = 180 Substitute the formula for A in terms of B 7B - 4 + B = 180 Combine terms 8B - 4 = 180 Add 4 to both sides 8B = 184 Divide both sides by 8 B = 23 Now calculate A in terms of B A = 7B - 4 A = 7 * 23 - 4 = 161 - 4 = 157 Verify that A and B add up to 180 157 + 23 = 180</span>
7 0
3 years ago
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