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polet [3.4K]
3 years ago
5

Find the surface area of the prism.

Mathematics
1 answer:
Reika [66]3 years ago
5 0
Your question is first one that’s your answer
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Plz help me I’ll give brainliest
luda_lava [24]

Answer:

it is A i could be wrong

Step-by-step explanation:

4 0
3 years ago
a hose fills a hot tub at a rate of 3.59 gallons per minute. how many hours will it take to fill a 309 gallon hot tub​
iris [78.8K]

Answer:

about 1.43 hours.

Step-by-step explanation:

You can use your original equation to find how many minutes it takes to fill up the 309 gallon hot tub.

3.59x=309

x= how many minutes it takes to fill up a certain gallon.

Divide both sides by 3.59 to isolate x and you get x=86.0724234.

That is how many minutes it takes.

The question asks for how many hours, so that divide 86.0724234 by 60 since there are 60 minutes in an hour, and you get 1.43454039 or 1.43 hours.

There is also another way which is called dimensional analysis, but I don't know if you guys learned that yet.

Hope my answer helps!

6 0
3 years ago
Determine the perimeter of the triangle.<br> 3x<br> x + 6<br> 5x – 7
Gekata [30.6K]

Answer:

9x-1

Step-by-step explanation:

The perimeter of the triangle is adding up all 3 sides.

(3x)+(x+6)+(5x-7)=P

9x-1 = perimeter

All I have done is combine like terms.

If there is a... x = something, replace x with the number.

8 0
3 years ago
(20 points and brainliest) Which table best classifies the following numbers as rational and irrational? negative 4 over 5., squ
Mademuasel [1]

Answer:

Step-by-step explanation:

cant tell what goes with which chart....but I can do this,..

negative 4 over 5 .......rational

sqrt 2....irrational

2.5.....rational

0.4 bar.....irrational

sqrt 16....rational

8 0
3 years ago
Passing through (-1, -7) and perpendicular to the line with equation 4x + 5y = 31
MArishka [77]
4x + 5y = 31
5y = -4x + 31
y = -4/5x + 31/5...the slope here is -4/5. A perpendicular line will have a negative reciprocal slope. All that means is " flip " the slope and change the sign. So the slope we need is 5/4 (see how I flipped the slope and changed the sign)

y = mx + b
slope(m) = 5/4
(-1,-7)...x = -1 and y = -7
now we sub and find b, the y int
-7 = 5/4(-1) + b
-7 = -5/4 + b
-7 + 5/4 = b
-28/4 + 5/4 = b
- 23/4 = b

so ur perpendicular line will be : y = 5/4x - 23/4
4 0
2 years ago
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