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3 years ago

What is 3/4 divide by 1/6 no simplfly

Mathematics

1 answer:

777dan777 [17]3 years ago

8 0

Answer:

18/4

After simplification

9/2

Step-by-step explanation:

3/4 ÷ 1/6

Copy dot flip

3/4 * 6/1

18/4

If we simplify

Divide the top and bottom by 2

9/2

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I'M OFFERING 20 POINTS AND BRAINLIEST ANSWER FOR HELP

Hoochie [10]

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45$ is 4500 cent
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if 85% = $45
so 15%= ? cross multiply
45x15=85x$
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3 years ago

Someone please help. I don’t understand these

WITCHER [35]

Answer: very too bad for you buddy study nexts time

Step-by-step explanation:

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2 years ago

Prove algebraically that r = 10/2+2sinTheta is a parabola

Xelga [282]

Answer:

$y = - \frac{ 1 }{10} {x}^{2} + \frac{5}{2}$

Step-by-step explanation:

We want to prove algebraically that:

$r = \frac{10}{2 + 2 \sin \theta}$

is a parabola.

We use the relations

${r}^{2} = {x}^{2} + {y}^{2}$

and

$y = r \sin \theta$

Before we substitute, let us rewrite the equation to get:

$r(2 + 2 \sin \theta) = 10$

$r(1+ \sin \theta) = 5$

Expand :

$r+ r\sin \theta= 5$

We now substitute to get:

$\sqrt{ {x}^{2} + {y}^{2} } + y = 5$

This means that:

$\sqrt{ {x}^{2} + {y}^{2} }=5 - y$

Square:

${x}^{2} + {y}^{2} =(5 - y)^{2}$

Expand:

${x}^{2} + {y}^{2} =25 - 10y + {y}^{2}$

${x}^{2} =25 - 10y$

${x}^{2} - 25 = - 10y$

$y = - \frac{ {x}^{2} }{10} + \frac{5}{2}$

This is a parabola (0,2.5) and turns upside down.

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3 years ago

The sales tax for an item was 12.80 and it cost 320 before tax

Arlecino [84]

Answer:

Step-by-step explanation:

Divide the tax by the pre-tax price =

12.80/320 = .04 or 4%

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3 years ago

What are the coordinates(real answers only please I can’t click on links)

netineya [11]

Answer:

D (-9,3)

F (-5,-5)

Step-by-step explanation:

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3 years ago