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Misha Larkins [42]
3 years ago
8

Evaluate the exponent using the power to a power rule. (2²a4b7)^3

Mathematics
1 answer:
slega [8]3 years ago
6 0
The answer is 64a^12b^21
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What’s the surface area in square units if right I’ll mark brainleiest
erik [133]

Answer:  349 square units

============================================

Work Shown:

  • L = 5.5 = length
  • W = 5 = width
  • H = 14 = height

SA = surface area of rectangular prism

SA = 2*(L*W + L*H + W*H)

SA = 2*(5.5*5 + 5.5*14 + 5*14)

SA = 2*(27.5 + 77 + 70)

SA = 2*(174.5)

SA = 349

The surface area is 349 square units.

7 0
3 years ago
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If John takes 2 hours to travel 20km,how many kilometers does he travel in 6 hours?
Scilla [17]

Answer:

60km

Step-by-step explanation:

There are two ways to look at this

1. Finding the unit rate

We can find how many km he travels in 1 hour by diving both the hours and km by 2. 1 hour = 10km so 6 hours is 60km since we multiply by 6.

2. Multiply by 3

We can multiply both the km and hours by 3, since 2x3=6 hours

20km * 3 hours = 60km

4 0
2 years ago
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The larger of two numbers is eight more than three times the smaller number. The sum of the two numbers is 48. Find the two numb
Anarel [89]

Answer: the smaller number is 8. The larger number is 38

Step-by-step explanation:

Let x represent the smaller number.

The The larger of the two numbers is eight more than three times the smaller number. It means that the larger number is 3x + 8

The sum of the two numbers is 48. It means that

x + 3x + 8 = 48

4x + 8 = 48

4x = 48 - 8 = 40

x = 40/4 = 10

Substituting x = 10 into 3x + 8, it becomes

3 × 10 + 8 = 38

8 0
3 years ago
If f(x) = 3x and g(x)=2x, what is (gf)(x)?
PSYCHO15rus [73]

Answer: 6x

Step-by-step explanation:

we shall go right to left in the function

g(3x)

2(3x)

6x

7 0
3 years ago
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Help with the question
Alex777 [14]

Answer:

the answer is x = 4 + √13 or x = 4 − √13

8 0
2 years ago
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