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Sauron [17]
2 years ago
10

What is the surface area of the cube.A. 409 cm²B. 2400 cm²C. 2004 cm²D. 40 cm²​

Mathematics
1 answer:
larisa [96]2 years ago
4 0
  • Side=a=20cm

Surface area

  • 6a^2
  • 6(20)^2
  • 400(6)
  • 2400cm^2
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G(x) = 60(1 - 0.5)^x, g(4) *<br><br><br> Please do answer step by step
Flura [38]

Answer:

3.75

Step-by-step explanation:

g(x)=60(1-0.5)^x, g(4)

g(4)=60(1-0.5)^4

g(4)=60(.5)^4

g(4)=60(0.0625)

g(4)=3.75

7 0
3 years ago
The yoga instructor earns$25 per class and $10 per student that shows up. They want to earn more than $385 teaching 6 classes th
Sedaia [141]
ANSWER: 24 people

All you have to do is multiply 25 and 6 to get 150. Then minus 150 from 385 to get 235. Then divide 235 by 10 to get 23.5, since you can not have half a person the answer is to round up to 24.
3 0
2 years ago
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Alyssa fed her dog 2/3 cup of dog food in the morning and another 5/8 cup in the evening. How much did her dog eat over the cour
kotegsom [21]
1 7/24 is the correct answer I will show you how to get it if needed.
8 0
2 years ago
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Country Motorbikes Incorporated finds that it costs $400 to produce each motorbike, and that fixed costs are $1600 per day. The
faltersainse [42]

Answer:

30units,2900

Step-by-step explanation:

Given that Country Motorbikes Incorporated finds that it costs $400 to produce each motorbike, and that fixed costs are $1600 per day.

The price function is p(x) = 700 − 5x, where p is the price (in dollars) at which exactly x motorbikes will be sold.

If x units are produced and sold we have

Costs for x units = variable costs *x +Fixed costs = 400x+1600

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Profit funciton = P(x) = Sales revenue - Total cost

= 700x-5x^2-400x-1600\\=300x-5x^2-1600

To get maximum profit we use derivative test I derivative =0 and II derivative =negative

P'(x) = 300-10x\\p"(x) = -10

Producing 30 units will maximize the profit.

Max profit

=P(30) = 2900

8 0
3 years ago
Which number makes this sentence true? 7.8×3.6×1=7.8×? 1,3.6,4.6,7.8
marin [14]

In the left hand side, you're multiplying 7.8 by 3.6\times 1

In the right hand side, you're multiplying again 7.8 by a mysterious number.

So, the unknown number must be 3.6\times 1

Every number remains unchanged when multiplied by 1, so the answer is 3.6


5 0
3 years ago
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