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
Leni [432]
3 years ago
5

James is x years old now and the sum of his age is and his brothers age is 10.

Mathematics
1 answer:
Vesnalui [34]3 years ago
5 0

Answer:

1) James brother is 10-x years old

2) James was 3 years ago x-3 years old

3) James brother was 3 years ago 7-x years old

4) 3(x-3)=7-x

5) James is 4 years old, his brother is 6 years old

Step-by-step explanation:

3) 10 - x - 3 = 7 - x

5) 3* James age 3 years ago = James brothers age 3 years ago

<=> 3*(x-3) = 7-x

<=> 3x - 9 = 7 - x

<=> 4x = 16

<=> x = 4

You might be interested in
Select the three equations that have
MakcuM [25]

Answer:y+2.9=11, 2y+1=17.2, 28.4-y=20.3

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Need answers to three questions in picture will give brainly
Trava [24]

Answer:

3. the answer is A3

Step-by-step explanation:

you do 3x-1 and you get 3

6 0
2 years ago
Read 2 more answers
A friend has offered to play a gambling game with you that involves flipping a coin that she has provided. You want to test the
Sloan [31]

Answer:

The 10% condition would not apply here

Explanation:

The 10% condition is the recommended size of sample from the population to get a non biased result. The 10% condition requires that the sample be not more than 10% of the population.

Tossing a coin is an example of a Bernoulli trial. A Bernoulli trial is one that has two possible outcomes, this face of the coin or the other face of the coin. The 10% condition does not apply to Bernoulli trials that are independent events.

Therefore the 10% condition would not apply here because tossing a coin is an an independent event. An independent event is one with replacement.

5 0
3 years ago
In February, Alec had 1,562 visitors to his website. In March, he had 1,310 visitors to his website. What is the percentage decr
tigry1 [53]

Answer:

16.1% is the percentage decrease.

Step-by-step explanation:

We are given the following in the question:

Visitors in February = 1,562

Visitors in march = 1,310

We have to find the percentage decrease of the number of visitors to Alec's website from February to March.

Percentage decrease =

=\dfrac{\text{Change}}{\text{Original}}\times 100\%\\\\=\dfrac{1562-1310}{1562}\times 100\%\\\\=\dfrac{252}{1562}\times 100\% = 16.1\%

Thus, 16.1% is the percentage decrease in the number of visitors to Alec's website from February to March.

6 0
3 years ago
Please help me ......
Elan Coil [88]
Egudbschsien eiodnebevieneb
4 0
3 years ago
Other questions:
  • Write a rule for the nth term of the sequence. Then find a20<br> 37, 29, 21, 13,...
    13·1 answer
  • Over the past decade, the mean number of hacking attacks experienced by members of the Information Systems Security Association
    5·1 answer
  • Graph the linear equation -4y=-5x-18​
    11·1 answer
  • Solve the system of linear equations by elimination −2x+3y=7 and 5x+8y=−2
    14·1 answer
  • What is 7x+5=-9? Show your work.
    13·2 answers
  • The letters that form probability are placed in a bowl, what is the probability of choosing a letter b replacing it and the draw
    12·1 answer
  • There are 20 tiles in a bag. Of these, 9 are purple, 5 are black and the rest are white.
    8·1 answer
  • Using the numbers, write two powers that have the same value. <br> 2, 3, 6, 8
    6·2 answers
  • 24 is 120% of what? Pls help
    12·2 answers
  • What is the distance between (0,-8) and (3,-2) ?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!