2 years ago

4/5 divided by 1/3 ??

Mathematics

1 answer:

DochEvi [55]2 years ago

3 0

Answer:

2.4

Step-by-step explanation:

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What’s 7x (5-98) ^4 = x +2?

zvonat [6]

Answer:

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2 years ago

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4x – 3y=8<br> 2. 5x – 2y = -11

AlladinOne [14]

Answer:

$x = -7$

$y = - 12$

Step-by-step explanation:

The given system is:

4x-3y=8

5x-2y=-11

We make x the subject in the top equation to get:

$x = \frac{3}{4}y + 2$

Plug this expression for x in the bottom equation to get

$5( \frac{3}{4}y + 2) - 2y= - 11$

We expand to obtain

$\frac{15}{4} y + 10 - 2y = - 11$

Multiply through by 4

$15y + 40 - 8y = - 44$

Group similar terms

$15y - 8y = - 44 - 40$

$7y = - 84$

$y = - \frac{84}{7} =-12$

This means

$x = -12\times \frac{3}{4} + 2$

$x = - 7$

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3 years ago

Solve for x in the following equation:

Feliz [49]

Answer:

x = 17

Step-by-step explanation:

1) Make the bases the same then rewrite.

4 = 2²

2^2(2x - 5) = 2^3x + 7

2) Since the bases are the same, set the exponents equal to each other.

2(2x -5) = 3x + 7

4x - 10 = 3x + 7

4x - 3x = 7 + 10

x = 17

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1 year ago

Determine x please.

Margaret [11]

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2 years ago

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alexira [117]

Answer:

8,13,18

Step-by-step explanation:

n=1

8+5(0)=8

n=2

8+5(1)=13

n=3

8+5(2)=18

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3 years ago

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