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3 years ago

Provide a visual of 12 to 36. Please circle the groups in order to indicate the ratio 12/36.

Mathematics

2 answers:

alexira [117]3 years ago

3 0

Answer: take a picture of the work please

Step-by-step explanation:

Ivenika [448]3 years ago

3 0

So what you do is take the 12 and add it to the 36 = ???

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What is the volume of a pool that is 10 feet long, 12 feet wide and 4 feet deep? Don’t forget unit

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Answer:

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2 years ago

arlik [135]

Given:

In a right angle triangle θ is an acute angle and $\tan\theta =\dfrac{3}{5}$ .

To find:

The value of $\cos \theta$ .

Solution:

In a right angle triangle,

$\tan \theta=\dfrac{Perpendicular}{Base}$

We have,

$\tan\theta =\dfrac{3}{5}$

It means the ratio of perpendicular to base is 3:5. Let 3x be the perpendicular and 5x be the base.

By using Pythagoras theorem,

$Hypotenuse=\sqrt{Perpendicular^2+base^2}$

$Hypotenuse=\sqrt{(3x)^2+(5x)^2}$

$Hypotenuse=\sqrt{9x^2+25x^2}$

$Hypotenuse=\sqrt{34x^2}$

$Hypotenuse=x\sqrt{34}$

In a right angle triangle,

$\cos \theta=\dfrac{Base}{Hypotenuse}$

$\cos \theta=\dfrac{5x}{x\sqrt{34}}$

$\cos \theta=\dfrac{5}{\sqrt{34}}$

Therefore, the value of $\cos \theta$ is $\dfrac{5}{\sqrt{34}}$ .

8 0

2 years ago

Calculate the average speed (tin km/hr) of charlie who run to the store 4 km away in 30 minutes

Galina-37 [17]

ANSWER

$8km/hr$

EXPLANATION

The average speed

$= \frac{distance}{time}$

Distance=4km

Time=30mins

Convert time to hours.

Time =0.5hrs

The average speed

$= \frac{4}{0.5}$

$= 8km/hr$

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3 years ago

3) 7(-2k + 4) - 6 = 7k - 20 can someone help I have more

Amanda [17]

Answer:

Step-by-step explanation:

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3 years ago

What is h(-4) for h(x) =(x-2)^2 +3x

PSYCHO15rus [73]

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The answer is 24

7 0

2 years ago