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2 years ago

6cm 5cm 20cm 4cm 5cm 4cm 12cm 6cm 4cm

Mathematics

1 answer:

dusya [7]2 years ago

4 0

Answer:

SA = 788cm^2

Step-by-step explanation:

pink one:

length- 5

width- 6

height- 20

surface area- 500

purple one:

length- 4

width- 6

height- 12

surface area- 288

total surface area:

500 + 288 = 788

SA = 788cm^2

GOOD LUCK!!!! You'll do amazing <3

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A paddle boat can move at a speed of 18 km/h in still water. The boat is paddled 16 km downstream in a river in the same time i

Vladimir79 [104]

I think the answer is 2km/h

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4 years ago

If angle U = 8x + 9 degrees, and angle W = 8x - 5 degrees, then the measure of angle U is ___ degrees.

PolarNik [594]

Answer:

m<U = $97^{o}$

Step-by-step explanation:

From the given question, it can be observed that angles U and W are supplementary. These are angles that add up to $180^{o}$ .

So that;

<U + <W = $180^{o}$

(8x + 9) + (8x - 5) = $180^{o}$

16x + 4 = $180^{o}$

16x = $180^{o}$ - 4

16 x = 176

x = $\frac{176}{16}$

= $11^{o}$

The measure of angle U = (8x + 9)

= 8(11) + 9

= 88 + 9

= $97^{o}$

Thus, the measure of angle U is $97^{o}$ .

8 0

3 years ago

Find the product 3.14 times 8

Oksana_A [137]

Answer:

25.12

Step-by-step explanation:

You would multiply 3.14 times 8 to get 2512. From there you can notice that there are 2 points after the decimal place so you need to move it over 2 places. Your final answer would be 25.12.

7 0

3 years ago

One California fan palm tree grew 51 inches in 3 years. A queen palm tree grew 48 inches in 4 years. Which tree grew faster?

Eddi Din [679]

Answer:

The queen palm tree

Step-by-step explanation:

51 divided by 3= 17

48 divided by 4= 12

7 0

3 years ago

780,573 -229,615= Estimate=

Mila [183]

550,000 or 600,000

780,573 estimates to 780,000 or 800,000
229,615 estimates to 230,000 or 200,000
780,000-230,000=550,000
or
800,000-200,000=600,000

6 0

4 years ago