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3 years ago

Hey can you help me please and thank you! Have a great day and happy thanksgiving!!!

Mathematics

1 answer:

Fittoniya [83]3 years ago

6 0

Answer:

ratio= 120:8

8/8=1

120/8=15

the unit rate is 15:1

It means that one floor is 15 feet high.

The ratio of the height of the building to the number of floors is 120:8. The unit rate is 15:1. This means that each floor of the building is 15 feet high.

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Damm [24]

Answer:

y=7

Step-by-step explanation:

look at 3 on x axis and find y value (the point of the line)

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3 years ago

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Angles α and β are the two acute angles in a right triangle. Use the relationship between sine and cosine to find the value of β

Dimas [21]

Answer:

From given relation the value of β is 37.5°

Step-by-step explanation:

Given as :

α and β are two acute angles of right triangle

Acute angle have measure less than 90°

Now given as :

$sin(\frac{x}{2} + 2x)$ = $cos(2x +\frac{3x}{2})$

Or, $cos(90° - (\frac{x}{2}+2x))$ = $cos(2x +\frac{3x}{2})$

SO, $(90° - (\frac{x}{2}+2x))$ = $2x+\frac{3x}{2}$

Or, 90° = $2x+\frac{3x}{2}$ + $\frac{x}{2}+2x$

or, 90° = $\frac{4x}{2}$ + 4x

Or, 90° = $\frac{12x}{2}$

So, x = $\frac{90}{6}$ = 15°

∴ $sin(\frac{x}{2} + 2x)$ = $sin(\frac{15}{2} + 30)$

So, $sin(\frac{x}{2} + 2x)$ = sin $\frac{75}{2}$

∴ The value of Ф_1 = $\frac{75}{2}$ = 37.5°

Similarly $cos(2x +\frac{3x}{2})$ = $cos(30 +\frac{45}{2})$

So ,The value of Ф_2 = $\frac{105}{2}$ = 52.5°

∵ β α

So, As 37.5°52.5°

∴ β = 37.5°

Hence From given relation the value of β is 37.5° Answer

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3 years ago

Louisa starts training for cross country. She records how far she can run without stopping each week.

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Answer:

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Step-by-step explanation:

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3 years ago

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From end zone to end zone, a football field is 120 yards long. How long is the

timofeeve [1]

Answer:

120x3 = 360

Step-by-step explanation:

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3 years ago

Is 78.50 is the same as 78.5

s2008m [1.1K]

Answer:

<u>Step-by-step explanation:</u>

You can consider 78.50 as 78.5, cause we basically remove the 0 from it. The whole point is, they are both the same.

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2 years ago

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