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2 years ago

12

How do you divide fractions the way they taught it on 7th grade math edgenuidy * sorry I spelt it wrong it wouldn’t let me spell

it right*

1 answer:

Aleksandr [31]2 years ago

7 0

Answer:

I'm old and the way I was taught about fraction division was:

INVERT AND MULTIPLY.

SO: (5/8) divided by (1/4) equals

(5/8) multiplied by (4/1) which equals (20/8) or 2.5

Step-by-step explanation:

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Hey, can someone plz help me.

PSYCHO15rus [73]

Answer:

3, -1

Step-by-step explanation:

4 0

2 years ago

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Tan^-1[cos(pi)] find the exact value without calculator

nata0808 [166]

Answer:

- $\frac{\pi }{4}$

Step-by-step explanation:

Evaluate cosπ then inverse tan, that is

cosπ = - 1

$tan^{-1}$ (- 1) = - $\frac{\pi }{4}$

4 0

3 years ago

Pls do it fast ill mark you brainliest

anygoal [31]

Answer:

$\sf y=7\frac{2}{3}$ and $\sf x = \frac{2}{3}$

Explanation:

$\sf (1) \ \ (2x+y = 9)$

$\sf (1) \ \ (2x+5y = 37)$

<u>solve for y</u>:

$\sf 2x + y = 9$

$\sf 2x + 5y = 37$

-----------------

$\sf 0x + 6y = 46$

$\sf 6y = 46$

$\sf y=\frac{23}{3}$

$\sf y=7\frac{2}{3}$

<u>solve for x</u>:

$\sf 2x + y = 9$

$\sf 2x = 9 - y$

$\sf 2x = 9 - \frac{23}{3}$

$\sf 2x = \frac{4}{3}$

$\sf x = \frac{2}{3}$

8 0

1 year ago

1/2(x+2)+7=3x+(-32)<br><br> explained pls

aalyn [17]

Answer:

x is equal to 16

Step-by-step explanation:

Combine multiplied terms into a single fraction

Multiply by 1

Subtract 7 from both sides of the equation

Simplify it

Subtract 3 from both sides of the equation

Simplify

Multiply all terms by the same value to eliminate fraction denominators

Simplify

Subtract 2 from both sides of the equation

Simplify

Divide both sides of the equation by the same term

Simplify!

That's it!

3 0

2 years ago

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2 years ago

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