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____ [38]
4 years ago
6

1.1 x 10^3 - 4.9 x 10^2

Mathematics
1 answer:
MArishka [77]4 years ago
8 0

Answer:

610

Step-by-step explanation:

10 to the power of 3 is 1000. 1000x1.1=1100. 10 to the power of 2 is 100. 100x4.9=490. 1100-490=610

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After a 80% reduction, you purchase a new washing on sale for $104. What was the original price of the clothes dryer?
VikaD [51]

Answer:

$520 dollars

Step-by-step explanation:

104÷2 = 52 × 10 = 520

7 0
3 years ago
1. 2x - y = 9<br> x + 3y = -6
viva [34]

Step-by-step explanation:

If you have any questions about the way I solved it, don't hesitate to ask me in the comments below ÷)

8 0
3 years ago
A landscaper had t tons of rock to build a decorative wakls. He used 1/4 ton for each wall. How many decorative walls did he bui
MArishka [77]
Okay a ton is 2000 pounds i think you divide it 1/4
and that is it is 8000 i think
6 0
3 years ago
Your neighbor also has a swimming pool of the same shape as yours, but it is 75% the depth. Your pool is 1015 cubic feet. What i
Nastasia [14]

Answer:

761 cubic feet.

Step-by-step explanation:

Your neighbor also has a swimming pool of the same shape as yours, but it is 75% the depth.

Then, if my swimming pool's depth is H, then my neighbor's pool will have depth \frac{75 \times H}{100} = 0.75 H.  

So, if my swimming pool has dimensions L ft. by W ft. by H ft., then my neighbor's pool will have dimensions L ft by W ft. by 0.75H ft.

Now, given that the volume of my pool is 1015 cubic ft.

So, LWH = 1015 ......... (1)

Now, my neighbor's pool has volume V = 0.75LWH = 0.75(1015) = 761.25 cubic ft ≈ 761 cubic ft. {Round to the nearest whole number} (Answer)

{From equation (1)}

8 0
3 years ago
The diagram gives the dimensions of a swimming pool, what will be the approximate area of the cover
vova2212 [387]

Answer:

Step-by-step explanation:

if we wouldnt have the semicircle, all would be easy...

Area , A=10*30=300 ft^2

the semicircle has a diameter d=12 ft, than r=6

Area of the circle is Ac=3.14*r^2=113.10 ft^2

we need half of that

113.10/2=56.55

the area of the cover would be

300-56.55=243.45 ft^2

8 0
3 years ago
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