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vlada-n [284]
2 years ago
9

The volume of a rectangular prism is given by the formula V = lwh, where / is the length of the prism, w is the width, and his

Mathematics
1 answer:
Vedmedyk [2.9K]2 years ago
6 0
The answer would be option D.
10a^3 + 91a^2 + 54a - 792
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Yo if u need an bralest i got chu
dybincka [34]

Answer:

PLease

Step-by-step explanation:

4 0
3 years ago
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(2a+1) - 4a(2a+1)+4a
maxonik [38]

Answer:

2a (3-4a)

Step-by-step explanation:

(2a+1)-4a(2a+1)+4a

2a+1-8a²-1+4a

= 2a+4a-8a²

=6a-8a²

= 2a(3-4a)

6 0
2 years ago
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Bart believes that mice exposed to microwaves will become extra strong (maybe he's been reading too much Radioactive Man). He de
OverLord2011 [107]

Complete question is;

Bart believes that mice exposed to microwaves will become extra strong (maybe he's been reading too much Radioactive Man). He decides to perform this experiment by placing 10 mice in a microwave for 10 seconds. He compared these 10 mice to another 10 mice that had not been exposed. His test consisted of a heavy block of wood that blocked the mouse food. He found that 8 out of 10 of the microwaved mice were able to push the block out of the way. 7 out of 10 of the non-microwaved mice were able to do the same.

Identify the following;

1) Control group

2) Independent variable

3) Dependent variable

4) What should bart's conclusion be?

5) How could Bart's experiment be improved?

Answer:

1) Mice not exposed to the microwave.

2) Amount of microwave radiation hitting the mice.

3) The strength of the mice exposed to the radiation.

4) Conclusion should be inconclusive.

5) Can be improved in 3 ways listed under explanation.

Step-by-step explanation:

1) The control group is the mice that were not exposed to the microwave heating. This is because a control group is a set of samples that are kept separate and not exposed to the independent variable.

2) The independent variable is the cause of the research. So in this case the independent variable is the amount of microwave radiation because the study is on how mice exposed to microwaves become extra strong.

3) Dependent variable: The dependent variable will be the strength of the mice that are exposed to the microwave radiation because the extra amount of strength depends on the radiation.

4) Bart's conclusion should be Inconclusive because even though there is difference in the results gotten from the exposure, they are not that significantly different and thus we can say that there is an equal chance of an effect or no effect.

5) Bart's experiment can be improved by the following;

- Using a larger sample size

- Increasing the amount of groups so as to have a varied amount of microwave radiation received by the exposed mice

- Increasing the mass of the block that's in front of the food.

4 0
2 years ago
In a triangle, the measure of the first angle is twice the measure of the second angle. The measure of the third angle is 80° mo
trasher [3.6K]

Answer:

The measure of the first angle is 50°.

Step-by-step explanation:

Let the three angles be <em>a, b, </em>and <em>c. </em>

<em />

The measure of the first angle is twice the measure of the second angle. In other words:

a=2b

The measure of the third angle is 80° more than the measure of the second angle. In other words:

c=b+80

And since the interior angles of a triangle must equal 180°:

a+b+c=180

Substitute <em>a</em> and <em>c: </em>

<em />(2b)+b+(b+80)=180<em />

Combine like terms:

4b+80=180

Subtract 80 from both sides:

4b=100

And divide both sides by four:

b=25^\circ

So, the measure of the second angle is 25°.

Since the measure of the first is twice the second, the measure of the first angle is 50°.

(And since the measure of the third is 80° than the second, the measure of the third angle is 105°.)

8 0
2 years ago
Help with this pls geometry!!
GarryVolchara [31]

Answer:

548

Step-by-step explanation:

First, the sides:

7 × 12 = 84

84 × 2 = 168

7 × 10 = 70

70 × 2 = 140

10 × 12 = 120

120 × 2 = 240

Add:

168 + 140 + 240

 ^         ^

     308  +  240

            548  

Hope this helped.

6 0
3 years ago
Read 2 more answers
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