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3 years ago

Find the sum or difference.write your answer in simplest form 2/9+1/3=

Mathematics

1 answer:

aniked [119]3 years ago

4 0

The answer is 5/9. Just find the common denominator which is 9 and the new equation is 2/9 + 3/9 = 5/9

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What's the unit fraction of 23/138?

Mice21 [21]

1/6 If you have a graphing calculator, it would be simple to type in the fraction as a division equation then type MATH, ENTER, ENTER.

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3 years ago

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What is 4930-3428+2008?

ohaa [14]

Answer:

3510

Step-by-step explanation:

You can just type this into a calculator.

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3 years ago

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Help please!<br>30 POINTS!

enot [183]

Answer:

210

Step-by-step explanation:

so the four Smallest Primes :

2, 3, 5, 7

When the number is Divided by 2, 3, 5 & 7 Leaves remainder 1

so N = 2a + 1

N = 3b + 1

N = 5c + 1

N = 7d + 1

-> N - 1 = 2a = 3b = 5c = 7d

N - 1 = 2 * 3 * 5 * 7

-> N - 1 = 210

-> N = 211

Next N - 1 = 2(210)

-> N - 1 = 420

-> N =421

Difference = 421 - 211 = 210

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2 years ago

Marcus and Lara each have the same number of songs on their ipods. Marcus has 10x + 8 songs and Lara has

devlian [24]

Answer:

The value of x is 20.

Step-by-step explanation:

Given that

Number of songs Marcus has = 10x+8

Number of songs Lara has = 15x-92

It is also given that they have the same number of songs that means both the expressions should be equal.

Putting both equal

$10x+8 = 15x-92$

This is a linear equation in one variable which can be solved using properties of equality

Subtracting 10 from both sides

$10x+8-10x = 15x-92-10x\\8 = 5x-92$

Adding 92 on both sides

$8+92 = 5x-92+92\\100 = 5x$

Dividing both sides by 5

$\frac{5x}{5} = \frac{100}{5}\\x = 20$

Hence,

The value of x is 20.

3 0

3 years ago

8. Using k as the constant, write an equation that expresses: S varies jointly as b times the square of r.

Murljashka [212]

K is the constant of proportionality.

S = b(r^2)k

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3 years ago

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