1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Leya [2.2K]
3 years ago
15

5^2x * 5^3 =5^9 what is x please help

Mathematics
1 answer:
erastovalidia [21]3 years ago
4 0

Answer:

x = 3

Step-by-step explanation:

{5}^{2x}  \ast {5}^{3}  =  {5}^{9}  \\  {5}^{2x + 3}  =  {5}^{9}  \\ 2x + 3 = 9 \\ (bases \: are \: equal \: so \: exponents \: will \: also \: \\  be \: equal) \\ 2x = 9 - 3 \\ 2x = 6 \\ x =  \frac{6}{2}  \\  \huge \red { \boxed{x = 3}}

You might be interested in
5(x+2) = 20<br><br> 15 points
hodyreva [135]

Answer:

Step-by-step explanation:

remove the parenthesis

5x+10=20

5x+10-10=20-10

5x=10

x=2

7 0
3 years ago
If the simple interest on 7000​$ for 8 years is ​3920$​, then what is the interest​ rate?
Lisa [10]

Answer:

7000(r)(8)=3920

Step-by-step explanation:

just put that down a calculator I to lazy to solve it

3 0
2 years ago
Read 2 more answers
Show work pls i need help
Anestetic [448]
This is the answers:
20: 6.9/7
21: 6.36/6
22: 6.24/6
23: 9.1/9
24: 4.6/5
25: 5.8/6
26: 9.3/9
27: 4.12/5
6 0
3 years ago
Suppose you earn $866.00 a month you are given a 15% raise. how much will you make a month now
Lapatulllka [165]
$995.9....................... (ignore the dots)
5 0
3 years ago
Read 2 more answers
Rewrite the equation by completing the square.<br> 4x2 + 28x + 49 = 0<br> (x+) =
Vlada [557]

Answer: x = - 3.5

Step-by-step explanation:

Rewrite the equation by completing the square.

4x2 + 28x + 49 = 0

Completing the square method :

Divide through by the Coefficient of x^2

x^2 + 7x + (49/4) = 0

a = 1, b = 7, c = 49/4

Move c to the right side of the equation

x^2 + 7x = - 49/4

Complete the square on the left hand side by squaring its half of the x term

(7/2)^2 = (49/4)

Add the output to both sides of the equation

x^2 + 7x + (49/4) = - (49/4) + (49/4)

(x + 7/2)^2 = 0

Square root of both sides

x + 7/2 = 0

x = - 7/2

x = - 3.5

4 0
3 years ago
Other questions:
  • Your firm wants to investigate how much money the typical tourist will spend on their next visit to New York? How many tourists
    14·1 answer
  • Match the following equation to the correct situation.
    11·1 answer
  • How do you simplify 12 + 15 ÷ 3 × 6 – 4 step by step?
    15·1 answer
  • A manufacturer with exclusive rights to a sophisticated new industrial machine is planning to sell a limited number of the machi
    10·1 answer
  • Jack bought a pair of pants and a shirt for $56. If the price of a shirt is two-fifth of the price of a pair of pants, then what
    7·2 answers
  • 3x + 1 = 3(x - 1) + 4​
    12·1 answer
  • What is 17 percent as a number
    13·2 answers
  • 3/2(4x – 1) – 3x = 5/4 – (x + 2)
    10·1 answer
  • A grocery store has 5 pounds of gronola. one customer buys 2 3rds pounds of gronola and another buys 5 6ths pounds. after these
    13·2 answers
  • What percent of 4c in each expression? <br> *2a
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!