3 years ago

Solve 3^x − 2 = 3^7 A. 2 B. 5 C. 7 D. 9

Mathematics

1 answer:

Vikki [24]3 years ago

4 0

Answer:

C) 7

Step-by-step explanation:

3^x−2=2187

Step 1: Add 2 to both sides.

3^x−2+2=2187+2

3^x=2189

Step 2: Solve Exponent.

3^x=2189

log(3x)=log(2189) <<Take log of both sides

x*(log(3))=log(2189)

x= log(2189)/log(3)

x=7.000832

You might be interested in

Carmen is mailing packages. Each small package costs her $2.60 to send. Each large package costs her $3.40. How much will it cos

Fantom [35]

Answer:

By themselves $18.20, $13.60, and together $31.80

Step-by-step explanation:

$2.60 multiplied by 7 equals $18.20

$3.40 multiplied by 4 equals $13.60

Together this equals $31.80

6 0

3 years ago

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. Find the probabi

AlekseyPX

Answer:

$80

Step-by-step explanation:

400÷50= 80 which is the weekly rate of wages

7 0

3 years ago

Read 2 more answers

How many cubic feet in a 5 gallon bucket?

Rudiy27

5 gallons is 0.66 cubic feet, 0.5 cubic feet per container.

8 0

3 years ago

Read 2 more answers

Write the ordered pair that represents yz. Then find the magnitude of yz.<br> Y(-2, 5), z(1,3)

Marysya12 [62]

Answer:

Okay, gimme a sec...

Step-by-step explanation:

8 0

3 years ago

The manger of a water park keeps track of the amount of money collected, M, and the number of tickets,T, each day.

Serga [27]

Answer: The variable t us the dependent variable because it affects the amount of money collected, m, each day.

6 0

2 years ago