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3 years ago

15

How do you divide a fraction by a fraction? 20 points!!

1 answer:

son4ous [18]3 years ago

3 0

Hi!

When we divide a fraction for a fraction we have to multiply the first fraction for the opposite of the second (the one we're dividing for).

Let's do an example.

16/8 : 4/6 = 16/8 * 6/4

Where necessary you can do cross-semplifying.

So, 16 and 4 can be divided both for 4.

8 and 6 both for 2.

So we have 4/4*3/1

You can also semplify numerator and denominator...

4/4 = 1

1*3 = 3

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Identify all factors of the expression 〖4x〗^2+17x-15.

Basile [38]

The factors of given expression are: -5 and 3/4

Step-by-step explanation:

Given equation is:

$4x^2+17x-15$

Making pairs for the mid-term 17x by factoring the product of co-efficient of 4x^2 and 15

$4x^2+20x-3x-15$

$= 4x(x+5) - 3(x+5)$

$=(4x-3)(x+5)$

Now

$4x-3 = 0\\4x = 3\\x = \frac{3}{4}$

$x+5 = 0\\x = -5$

Hence,

The factors of given expression are: -5 and 3/4

Keywords: Quadratic equation, factors

Learn more about quadratic equation at:

#LearnwithBrainly

8 0

4 years ago

Using base ten blocks subtraction

GREYUIT [131]

Is their any multiple questions

4 0

3 years ago

What is 12+24=2(6+ )

Lyrx [107]

Answer:

$\huge \boxed{x=12}$

Step-by-step explanation:

Let the unknown number be x.

12+24=2(6+x)

Switch sides.

2(6+x)=12+24

Expand brackets.

12+2x=12+24

Subtract 12 from both sides of the equation.

12+2x-12=12+24-12

2x=24

Divide both sides of the equation by 2.

(2x)/2=24/2

x=12

7 0

4 years ago

Read 2 more answers

A phonographer is planning a trip to Africa where she will participate in a photo safari. A store is selling 4 packs of film for

Eddi Din [679]

Answer:

69

Step-by-step explanation:

................

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3 0

3 years ago

Write an equivalent expression to 2x + 3 + 5x + 6

denis23 [38]

Answer:

2x+3+5x+6 = 7x+9

Step-by-step explanation:

2x + 3 + 5x + 6

= 2x + 5x + 3 + 6

= 7x + 9

Hope it helps

8 0

3 years ago