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
Snowcat [4.5K]
3 years ago
10

When I double my number and add four, I get my number plus seven. What is my number?

Mathematics
1 answer:
romanna [79]3 years ago
6 0

Answer:

3

Step-by-step explanation:

2x+7=x+4

x=3

You might be interested in
triumphant college is planning to increase the registration fee by 11.5%.if the registration fee is currently N$ 1000, how much
frozen [14]

Current registration fee at triumphant college = N$ 1000

Percentage by which the registration fee will be increased next year = 11.5%

Registration fee at triumphant college next year :

= Current registration fee + 11.5% of current registration fee

=\tt1000 +  \frac{115}{10 \times 100}  \:  \: of \:  \: 1000

= \tt1000 +  \frac{115}{1000}  \times 1000

=\tt 1000 +  \frac{115000}{1000}

=\tt 1000 + 115

\color{plum} = \tt \:\bold{ N\$ \: 1115}

Therefore, the registration fee at triumphant college next year = <u>N$ 1115</u>

5 0
3 years ago
Determine whether the equation below has a one solutions, no solutions, or an infinite number of solutions. Afterwards, determin
Serga [27]

Answer:

One Solution

x = 8

Step-by-step explanation:

Given

-10x = -80

Required

Determine the number of solution and the value of x

The equation is a linear equation and they have just one solution

Solving further [Divide both sides by -10]

\frac{-10x}{-10} = \frac{-80}{-10}

x = \frac{-80}{-10}

x = 8

Hence;

<em>x has only one value</em>

6 0
4 years ago
An electrician has 14/15 yard of wire. He used 5/7 of wire. How many yards of wire did the electrician use?
siniylev [52]
23/105 i think :) sorry if im wrong

5 0
3 years ago
Read 2 more answers
Guys i need this an answers​ full please
disa [49]

Answer:

See below.

Step-by-step explanation:

14.

12.5/2.5 = 5

15.

(i) [(-75)/15]/5 = -5/5 = -1

(ii) 13 / [(-2) + 1] = 13 / (-1) = -13

16.

(i) 39 + (-24) - 15 = 0

36 + (-52) - (-36) = 20

Answer: <

(ii) (-10) - 4 = -14

(-10) - (-4) = -10 + 4 = -6

Answer: <

17.

He reads 1/4 book in 1 hour.

He reads 1 book in 4 hours.

In 2 1/6 hours he reads:

(2 1/6)/4 part of the book = (13/6) / 4 = 13/24 part of the book

(i) 2/5 / 1 1/2 = 2/5 / 3/2 = 2/5 * 2/3 = 4/15

(ii) 7/3 / 2 = 7/3 * 1/2 = 7/6

4 0
3 years ago
Read 2 more answers
Answer this only if you know please there’s people who answer just for points
Dimas [21]

The increase is 39 Degrees

7 0
3 years ago
Read 2 more answers
Other questions:
  • Solve the problem and enter your solution for the variable below. Do not include units in your answer.
    12·1 answer
  • Sandy is working with a carpenter to frame a house. They are using 8-foot-long boards, but each board must be cut to be 94.6 inc
    11·1 answer
  • Please help dont understand
    9·1 answer
  • What is the estimate for 879 times 8
    15·1 answer
  • Help me in the photo above
    7·2 answers
  • A binomial random variable X is defined as the number of successes achieved in the n trials of a Bernoulli process. Describe an
    9·1 answer
  • how to find the slope-intercept form of the equation of the line passing through the point (5,-2) and perpendicular to the line
    10·1 answer
  • Which of the following is not a solution of the equation 3x - 4y = 8?
    6·1 answer
  • 6 more than the square of r is same as 33 .
    8·1 answer
  • Express in the form 1 : n give n as a simplifeid fraction 8 : 6​
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!