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sammy [17]
3 years ago
6

Solve the following inequality: 10t + 7 , 200 > 21 , 000

Mathematics
1 answer:
Alla [95]3 years ago
4 0

Answer:

t > 1380

Step-by-step explanation:

Subtract 7200 from both sides

10t + 7200 - 7200 > 21000 - 7200

Simplify

10t > 13800

Divide both sides by 10

10t/10 > 13800/10

Simplify

t > 1380

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The edge of a cube measures 3.5 x 10 ^ -2 meters. What is the volume of the cube in cubic meters? WRITE Your ANSWERS IN SCIENTIF
Crank

The volume of given cube is: 4.29 * 10^{-5} cubic meters

Step-by-step explanation:

Volume of a cube is given by:

V = a^3

Given

Edge of the cube = 3.5*10^{-2}

Putting the value of edge

V = (3.5*10^{-2})^3\\V = 42.875 * (10^{-2})^3\\V = 42.9 * 10 ^{-2*3}\\V = 42.9 * 10^{-6}\\V = 4.29 * 10 * 10 ^{-6}\\V = 4.29 * 10^{-5}\ cubic\ meters

The volume of given cube is: 4.29 * 10^{-5} cubic meters

Keywords: Volume, cube, scientific notation

Learn more about scientific notation at:

  • brainly.com/question/10703930
  • brainly.com/question/10772025

#LearnwithBrainly

7 0
3 years ago
PLEASE HELP! IF ANYONE CAN HELP PLEASE HELP!
forsale [732]

Answer:

3/4 · 7/5=21/20

Step-by-step explanation:

3/4 ÷ 5/7=21/20

Hope this helps!

6 0
3 years ago
Read 2 more answers
Ten samples of coal from a northern appalachian source had an average mercury content of 0.242 ppm with a standard deviation of
Dovator [93]
The confidence interval is from 0.2191 to 0.2649, given by

0.242\pm0.0229.

The z-score we need is found by first subtracting the confidence level from 1:
1 - 0.95 = 0.05

Divide that by 2:
0.05/2 = 0.025

Subtract that from 1:
1 - 0.025 = 0.975

Look this up in the middle of a z-table (http://www.z-table.com) and we see that the z-score is 1.96.

Now our confidence interval is given by
\overline{x} \pm z\times \frac{\sigma}{\sqrt{n}}
\\
\\0.242\pm 1.96 \times (\frac{0.037}{\sqrt{10}})
\\
\\0.242 \pm .0229
\\
\\0.242-0.0229=0.2191
\\
\\0.242+0.0229 = 0.2649
5 0
3 years ago
The answer is 355 houses, but can someone tell me how please?
Ymorist [56]
So you do 20%*426 to get 85.2 then you would subtract 85.2 from 426 because they sold 20% more than last year.  On top of that the answer isn't 355 it is 340.8.
5 0
3 years ago
Which mixed number is equal to 27/6?
zmey [24]

Answer:

4 \frac{3}{6}

Step-by-step explanation:

8 0
2 years ago
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