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erma4kov [3.2K]
3 years ago
14

which choice represent's the simplified exponential expression? (15^-6)9 A.15 B.15^-54 C.15^3 D.15^-15

Mathematics
1 answer:
frez [133]3 years ago
7 0

Answer:

B

Step-by-step explanation:

15^(-6*9) = 15^-54

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9x + 8y3 – 7 = 3y3 -3<br> 9x+ 5y = 0
Vikki [24]

Answer:

102 actually just add it up

Step-by-step explanation:

add it up

5 0
3 years ago
What is the value of |3.25| ?
Gre4nikov [31]

Answer:

3.25

Step-by-step explanation:

The answer is 3.25 because the absolute value of a number is basically that same number but it ALWAYS comes out positive.

Hope this helps :)

3 0
3 years ago
5. What is the solution to the equation -2.5(x-4)=-3x+4?​
lana66690 [7]

Answer:

x = -12

Step-by-step explanation:

-2.5(x-4)=-3x+4

Distribute

-2.5x +10 = -3x +4

Add 3x to each side

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Subtract 10 from each side

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.5x = -6

Divide by .5

.5x/.5 = -6/.5

x = -12

6 0
3 years ago
Read 2 more answers
What is the domain of y = log Subscript 5 Baseline x?
lozanna [386]

Answer:

It's B: all real numbers greater than 0

Step-by-step explanation:

just did the quiz

4 0
4 years ago
Pls help me with this question, I need the answer and the step pls! Pls! Help me!
olga nikolaevna [1]
10) Enlarging by a factor of 7 corresponds to an increase by a factor of 7^2 for the area, or 49. The new rectangle has area 980 square-inches.

To verify, let's say the dimensions of the original rectangle are 5 \ in \times 4 \ in. We increase each dimension by a factor of 7 to get 35 \ in \times 28 \ in. This new area is 980 square-inches. 

11) We use the same concept. Increasing by a factor of 0.6 corresponds to increasing the area by 0.6^2 (n.b., an increase by a factor less than 1 is shrinking). Original area is (30)(10)( \frac{1}{2})=150. New area is (150)(0.36)=54 \ cm^2.

12) We multiply 15 by 11/30 to get 5.5 ft. We multiply 8.25 by the same factor to get 3.025 ft. The area is 5.5 \ ft \times 3.025 \ ft = 16.6375 \ ft^2.
7 0
3 years ago
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