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Verizon [17]
3 years ago
8

I'm sorry that I'm asking this, I feel odd doing it, but I'm tired. So what is the value of |-8|

Mathematics
1 answer:
kozerog [31]3 years ago
6 0

| - 8 | means that -8 is 8 units far away from 0.

We use the units to answer, so we say that | - 8 | = 8.

The Absolute Value has defines and they are for basics.

|a| = a\\|-a| = a\\-|a|=-a\\-|-a|=-|a|=-a

These are just basics for absolute value.

Therefore, | - 8 | = 8.

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Her 6. Karen buys a sweatshirt for $30. The sales
Fynjy0 [20]

Answer:

32.1

Step-by-step explanation:

you take 30 times .07 (this was 7% but since you need it to be a decimals you move it over 2 places left). You should get 2.1 and then you add the 2.1 and 30 to get 32.1

7 0
3 years ago
There are 10 golf balls in a rectangular prism. Each golf ball has a diameter of 1.25 inches. Find the volume of the golf balls
lara31 [8.8K]
The answer is D.

The formula for the volume of a sphere is \frac{4}{3}  \pi  r^{3} 

You would divide the diameter in half which would give you your radius (r).
Then you plug in the radius value to find the volume of ONE ball.
You would then multiply by 10 to find the volume of TEN golf balls.

D is the closest answer to the volume of ten golf balls 
8 0
3 years ago
An estimated regression equation that was fit to estimate ductility in steel using its carbon content was found to be significan
AnnZ [28]

Answer:

At a level of 95%, it is expected that the interval [0.45; 11.59] contains the value of the ductility in steel when its carbon content is 0.5%.

Step-by-step explanation:

Hello!

Considering the dependent variable:

Y: Ductility in steel.

And the independent variable:

X: Carbon content of the steel.

The linear regression was estimated and a prediction interval was calculated.

The prediction interval is calculated to predict a value that the variable Y (response variable) can take for a given value of the variable X (predictor variable) in the definition range of the linear regression line. Symbolically [Y/X=x_{0}]

In this case 95% prediction interval for Y/X=0.5

At a level of 95%, it is expected that the interval [0.45; 11.59] contains the value of the ductility in steel when its carbon content is 0.5%.

I hope it helps!

6 0
3 years ago
Can you help with this question? I am kinda stuck.
ruslelena [56]

Answer:

  • 29400 cm²

Step-by-step explanation:

The cube has 6 equal faces.

<u>Total surface area:</u>

  • S = 6a²
  • S = 6*(0.7 m)² = 6*(70 cm) ² = 29400 cm²
4 0
2 years ago
Please help me with this!!
Lemur [1.5K]

Answer:

.....................

4 0
3 years ago
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