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
Viefleur [7K]
3 years ago
14

The sum of three numbers is 123. The third number is 4 times the first. The second number is 9 more than the first. What are the

numbers?
First number:


Second number:


Third number:

Mathematics
1 answer:
Romashka-Z-Leto [24]3 years ago
8 0

Answer:

Step-by-step explanation:

Let the first number = x

Let the second number = x + 9

Let the third number = 4x

Together they make 123

x + x + 9 + 4x = 123              combine the left

6x + 9 = 123                         Subtract 9 from both sides

6x = 123 - 9

6x = 114                                 Divide by 6

x = 114/6

x = 19

=================

First number = 19

Second number = 19 + 9 = 28

Third number = 4*19 = 76

You might be interested in
Please help solve this and show work
Dafna11 [192]

Answer: x=9

Step-by-step explanation:

7x+43=106

subtract 43 from both sides

7x=63

divide by 7

x=9

8 0
3 years ago
When 5/8 of the books had been sold, there were only 309 books remaining. how many books were there originally?
Whitepunk [10]
There were 824 books originally
8 0
3 years ago
Can someone please help me with this math question .
Alona [7]

No, Yes, No, Yes

using the laws of exponents

(1)

(4^{3})³ = 4^{9}

4³ × 4³ = 4^{6}

4^{9} ≠ 4^{6} → No

(2)

(3^{4})^4 = 3^{16}

3^{8} × 3^{8} = 3^{16} → Yes

(3)

18^{8} = (6 × 3 )^8 = 6^{8} × 3^{8} ≠ 6^{4} × 3^{4} → No

(4)

20^{3} = (4 × 5 )³ = 4³ × 5³ → Yes




5 0
3 years ago
Write 45/30 in simplest form​
RideAnS [48]

Answer:

1 1/2

Step-by-step explanation:

SO first convert into mixed

1 15/30

Now simplify

1 1/2

IF YOU DONT WANT MIX AND LEAVE AS IMPROPER

3/2

7 0
3 years ago
Meg paid $9 for two tuna sandwiches. At the same rate, how much does Meg pay for 8 tuna sandwiches?
sasho [114]
She would pay 36 dollars

6 0
4 years ago
Other questions:
  • Please help?
    9·1 answer
  • One day 758 people visited the monkey house at the zoo what is 758 rounded
    8·2 answers
  • What is the standard form polynomial representing the volume of this shipping container?
    9·1 answer
  • A rectangle has a diagonal 15 cm and one side 8 cm finde the perimeter p of the rectangle
    11·2 answers
  • Enter the correct answer in the box. Solve the quadratic equation by completing the square.
    11·1 answer
  • The length of a field is three times its width.    If the perimeter is 64 m, what is the width of the field?   A. 8 m   B. 16 m
    9·1 answer
  • Write the equation of a line with the slope of -7 and passing through the point (2, 2).​
    6·1 answer
  • Write the equation of the line that passes through the points (4,7) and (8,6). Put
    5·1 answer
  • How does the graph of the function g(x) = 2^x- 3 differ from the graph of f(x) = 2^x?
    10·1 answer
  • you are taking a quiz that has 8 multiple-choice questions. if each question has 3 possible answers, how many different ways are
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!