MATHEMATICS MIDDLE SCHOOL

James and Lin got married and got new jobs. Lin earns $3100 more per year than James. Together they earn $81,980. How much does each of them earn per year?

Answers

Answer 1
Answer:

Answer:

The earning to James per year is $ 39,440

The earning of Lin per year is $ 42,540  .

Step-by-step explanation:

Given as :

The total earning of James and Lin together = $ 81,980 per year

The earning of Lin is $ 3100 more per year than James

Let The earning of James = $ J

And The earning of Lin = $ J + $ 3100

So, According to question

The total earning of James and Lin together = $ 81,980 per year

Or, The earning of Lin +  The earning of James  = $ 81,980 per year

Or,  $ J + $ 3100 + $ J  = $ 81,980 per year

or, 2 $ J = $ 81,980 - $ 3100

Or,  2 $ J = $ 78880

∴ J =

I.e The earning to James per year = $ 39,440

And  The earning of Lin per year = $ 34,440 + $ 3100 = $ 42,540

Hence, The earning to James per year is $ 39,440

And The earning of Lin per year is $ 42,540  . answer


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MIDDLE SCHOOL

List all factors of 22

Answers

The factor of 22 are  2, and 11. there is no there factors for this number.

11 and 2 is the answer due to the fact that the number 2 is uneven
MIDDLE SCHOOL

$4.30 for make up; 40% dicount; 6% tax

Answers

$4.30X40%=1.72
4.30-1.72=2.58
2.58X6%=.15
2.58+.15=2.73
Final price: $2.73

Answer:

2.73

Step-by-step explanation:

MIDDLE SCHOOL

A car travels 120 miles in 3 hours how far will it take to travel 200 miles

Answers

Answer:

5 hours

Step-by-step explanation:

Divide 120 by three to figure out the car’s speed which would be 40 mph and divide 200 by his speed to find the time which gives you 5.

COLLEGE

3 1/4 yards is how many inches

Answers

Answer: it is 117 inches.


Step-by-step explanation:

1 yard= 36 inches

36 times 3= 108

1/4 of 36= 9

36 divided by 4 is 9 so 1/4 of 36 is 9.

108 + 9= 117

The answer is 117 inches
HIGH SCHOOL

What is the area of a square with sides of length 9? A) 18 square units
B) 54 square units
C) 36 square units
D) 81 square units

Answers

Answer:

A = 81 units^2

Step-by-step explanation:

A square has the same length as width, which we will call s.

.A = l*w

A = s*s

A = s^2

A = 9^2

A = 81 units^2

Answer:

9^2 = 81 --> D) 81 square units


MIDDLE SCHOOL

Garth estimated the height of the door to his classroom in meters .What is a reasonable estimate?

Answers

Solution:

The three units of measurement that we use in day to day life is ,Centimeter, Meter and Kilometer.

Centimeter being the smallest, and Kilometer largest when comparison is made between three.

1 meter= 100 cm

1 kilometer= 1000 meter= 100000 centimeter

If we measure the height of Door of classroom in centimeters suppose it is approximately 223 cm, it is better to convert it into a better unit of measurement which is higher than centimeter ,as 100 cm is equal to a meter. So, instead of writing 223 cm it is better to write 2.23 m, neither 0.223 Km.So, if the number lies between 100 cm ≤number

The most reasonable answer would be 2 meters since two meters equals about 6 feet.
MIDDLE SCHOOL

7 and 1/2 divided by 1

Answers

If you divide any number by 1, the answer is itself. The answer is 7 and 1/2.

Hope this helps!

Answer:

7 1/2

Step-by-step explanation:

Take it like the following scenario.

There are 7 1/2 M&M's left in a bag.

Neither of your friends want any so you get to have all of them.

So, the 7 1/2 M&M's divided by one person is 7 12 since all of the M&M's go to you.

[Rememember that any number you divide by 1, the answer is itself

Ex: 4 divided by 1 = 4]

I hope this helps!

COLLEGE

the sum of three numbers is 85. the second number is 5 times more than the first. the third number is 2 time the first. what are the numbers?

Answers

X + y + z = 85
y = x + 5
z = 2x

x + (x + 5) + 2x = 85
4x + 5 = 85
4x = 85 - 5
4x = 80
x = 80/4
x = 20

x + 5 = 20 + 5 = 25
2x = 2(20) = 40

ur numbers are : 20,25,and 40

MIDDLE SCHOOL

Part A: Factor 2x2y2 + 6xy2 + 18x2y2. Show your work. Part B: Factor x2 + 10x + 25. Show your work.

Part C: Factor x2 − 36. Show your work.

Answers

Answer:

A.

B.

C.

Step-by-step explanation:

Part A. The expression consists of three terms: The first and the last terms are like terms, we can add them:

Now,

So,

Part B. The expression is a square of so

Part C. Use the difference of squares formula:

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