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Ray Of Light [21]
3 years ago
5

What is 2 and 1/3+ 3 and 1/3

Mathematics
1 answer:
pychu [463]3 years ago
4 0

The question is asking you to add mixed numbers together. The two mixed numbers you want to add up are 2 1/3 and 3 1/3.

This question is fairly simpler than other mixed number or fraction types of problems because the fractions attached to the whole numbers already come having common denominators.

This means you don't have to do anything extra to the fractions to add them; you can just add the numerators (top numbers) together and keep the denominators the same.

Add the fractions (1/3) together first.

1/3 + 1/3 = 2/3

Now add the whole numbers together.

2 + 3 = 5

Combine the whole number and the fraction together to create the mixed number as your answer. Your answer is 5 and 2/3.

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John invest $5,000 in one account and $8,000 in an account paying 4% more in interest. He earned $1,230 in interest after one ye
Elina [12.6K]

Given:

John invest $5,000 in one account and $8,000 in an account paying 4% more in interest.

Total interest in one year = $1230

To find:

The rates of the investments.

Solution:

Let x% be the rate of interest on investment $5000.

Then, (x+4)% is the rate of interest on investment $8000.

Total interest is $1230. So,

5000\times \dfrac{x}{100}+8000\times \dfrac{x+4}{100}=1230

50x+80(x+4)=1230

50x+80x+320=1230

130x=1230-320

130x=910

Divide both sides by 130.

x=\dfrac{910}{130}

x=7

Now,

x\%=7\%

(x+4)\%=(7+4)\%=11\%

Therefore, $5,000 is invested at 7% and $8,000 is invested at 11%.

5 0
3 years ago
Which pair statement is true ​
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the last pair is statements are true.

7 0
3 years ago
Express this number in scientific notation.<br> 3.868.000.000
astraxan [27]

Answer:

3.868.000.000

=3 868.000.000

=3, 868.000.000

=3, 868 × 10⁹

8 0
3 years ago
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Dayton has a population of 23,000 people. The town has been seeing its population decline by 10% every year. If this trend conti
madreJ [45]
It will be again 10%
3 0
3 years ago
10÷(2x) when x= -5/4
Vladimir [108]

Answer:

-4

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

<u>Step 1: Define</u>

10 ÷ (2x)

x = -5/4

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em>:                    10 ÷ (2(-5/4))
  2. Multiply:                               10 ÷ -5/2
  3. Divide:                                  -4
6 0
3 years ago
Read 2 more answers
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