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Mashcka [7]
2 years ago
12

This is for my mid term exam review but it’s #2 and it goes with the other question I answered

Mathematics
1 answer:
vodomira [7]2 years ago
3 0

Answer:

B. 8 x 10^3

Step-by-step explanation:

1.6 x 10^5 / 0.2 x 10^2

= 160 000 / 20

= 8 000

You can write this as 8 x 10^3

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Who knows about ratios
Kaylis [27]
I can help you. Just post the question
5 0
3 years ago
Im giving 20 points, can someone help?
soldi70 [24.7K]

Answer:

C

Step-by-step explanation:

∠1 = 3x + 18            {Vertically opposite angles}

∠1  + 28° = 90

3x + 18 + 28 = 90

3x + 46 = 90

3x = 90 - 46

3x = 44

x = 44/3

x = 14 \dfrac{2}{3}

8 0
2 years ago
Eva sees a dolphin 3.2 meters below sea level and a bird 47/10 meters above sea level. Which of the following expressions repres
Mars2501 [29]
7.9 meters apart from each other
6 0
3 years ago
Read 2 more answers
Each of the four sides of a swimming pool measures 9 meters. The pool is 5 meters deep. How much water will be needed to fill it
iragen [17]

The volume of the rectangular prism is equal to length times width times height. Since length and width are equal, the formula includes the squaring of the length. after substitution, the formula is 9^2 * 5 equal to 405 m^3. 

So the answer is D. 405 cubic meters

5 0
3 years ago
Read 2 more answers
I need help on number 18
zloy xaker [14]

Answer:

Volume = 35185.8 km^{3}

Step-by-step explanation:

Recall the formula for the volume of a cone: Volume = \pi  R^{2}  \frac{h}{3}

Where R is the radius of the cone's circular base (in your case half of 80 km,(that is 40 km)

And h stands for the height of the cone (in your case 21 km)

We replace such in the formula and calculate its final value:

Volume = \pi 40^{2} \frac{21}{3} = \pi  1600 \frac{21}{3} = \pi 1600 (7) = 35185.83772...

We round it to the number of decimals your problem request (let's say to one decimal) and also include the cubic units:

Volume = 35185.8 km^{3}

7 0
3 years ago
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