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
enyata [817]
3 years ago
5

The tens digit of a two-digit number is five more than the units digit. The sum of the digits is 9. Find the number.

Mathematics
2 answers:
vladimir2022 [97]3 years ago
6 0
B=A+5
10A+B=3(A+B)
Replace the B’s in the bottom equation with A+5s, because we know that’s the same thing from the top equation

10A+A+5=3(A+A+5)
11A+5=3(2A+5)
11A+5=6A+15
5A=10
A=2
Then B is 5 more than that so B=7
Your number is 27
**To double check**
When we double check this and see 7 is 5 more than then 2. Then 27 is three times what we get when we add the digits (2+7=9).
Klio2033 [76]3 years ago
3 0

Answer:

72

Step-by-step explanation:

7-2=5 which fits the requirement.

7+2 =9 which also works so its 72

You might be interested in
Which represents the solution set of 5(x+5) <85?
oksano4ka [1.4K]

Answer:

X<12 first choice.

Step-by-step explanation:

5(x+5) <85

5x +25 < 85

5x <60

X<12

Hope this helps..

8 0
3 years ago
What is vertex on a graph
dusya [7]
The vertex is the highest point on a downward-opening parabola or the lowest point on an upward-opening parabola. 

6 0
3 years ago
Translate the sentence into an equation.
erastovalidia [21]

Answer:

5(x+3)=2

Step-by-step explanation:

4 0
3 years ago
Help...(MATH).......
Hitman42 [59]

If f(x) = √x and g(x) = 7x + b, then

f(g(x)) = f(7x + b) = √(7x + b)

If the plot of f(g(x)) passes through (4, 6), then

f(g(4)) = √(7•4 + b) = √(28 + b) = 6

Solve for b :

√(28 + b) = 6

(√(28 + b))² = 6²

28 + b = 36

b = 36 - 28

b = 8

7 0
2 years ago
Hurry pls help!
babunello [35]

Answer: Early in the race, Alberto runs faster. He maintains a speed of 20 km/h, as Bianca running speed ??increases??. The first person to cross the finish line is Bianca.

Step-by-step explanation:

6 0
3 years ago
Other questions:
  • what plan would great a two house legislature with representation decided only by a states population
    15·1 answer
  • 75 miles in 3 hours equals blank miles in 5 hours
    6·2 answers
  • All of the following are equivalent except _____.<br> 1.25<br> 12.5%<br> 125%
    5·1 answer
  • Chile spent $22 more then Claudia at the mall. Ryan spent twice what Claudia spent at the mall. The total amount of money spent
    7·1 answer
  • Is -12 to the power of -3 a positive or negative
    7·2 answers
  • What is the solution to 3/5x - 4/5 = 1/5x?
    7·1 answer
  • Simplify<br><br> 1/2 + (3/8 - 1/8)^2
    8·1 answer
  • 3 1/4 minus 1 7/8 equals
    12·2 answers
  • Friend me :) comment and other people will friend too
    12·1 answer
  • Can someone help me please
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!