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Tcecarenko [31]
3 years ago
6

Find the value of A that makes the following equation true for all values of x. (1/7)^x = A^-9x.

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
3 0

Answer:

D

Step-by-step explanation:

(1/7)^(x)=A^(-9x)

(1/7)^(x)=(A^(-9))^x

A^(-9)=1/7

A=(1/7)^9

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4x-5(-3) Help plzzzzzz​
kaheart [24]

Answer:

4x-15

Step-by-step explanation

You just multiply -5 and -3 to simplify this.

7 0
3 years ago
Ethan drove the first half of his trip's distance at an average rate of 60 miles per hour, and the second half at an average
tensa zangetsu [6.8K]

Answer:

Simple

65 miles per hour on average

Step-by-step explanation:

You add 60 to 70 and then you divide them by 2

Which is

60 + 70 = 130

130 ÷ 2 = 65

4 0
2 years ago
At the local sub shop, 55% of the customers order their subs with bacon or cheese. If 21% get subs with bacon and 36% with chees
Otrada [13]

Answer:

Step-by-step explanation:

P(55)=(P21) +P(36)-P(55)

8 0
4 years ago
The radius of a sphere is measured to be 3.12 cm. What is the most accurate volume of the sphere you can report?
erik [133]
V=4/3 (3.14) r^3
Just use this rule
8 0
4 years ago
Dorian buys 2 pounds of almonds for $21.98 and 3 pounds of dried apricots for $26.25. Which is less expensive per pound? How muc
ozzi

Answer:

The apricots are less expensive per pound.

Step-by-step explanation:

Cost of 1 pound of almonds = 21.98/2

Cost of 2 pounds of almonds = $21.98

So then you have to do 21.98 - 21.98/2. Which equals $10.99

Cost of 1 pound of dried apricots = 26.25/3

Cost of 3 pounds of dried apricots = $26.25

So then you have to do $26.25 - 26.25/3 which = $17.5 then divide that by 2 which equals $8.75.

To find out how much less expensive you have to find the difference, so to do that you have to do $10.99 - $8.75 = $2.24 per pound less expensive.

4 0
3 years ago
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