2 years ago

What's the three methods ratio

Mathematics

1 answer:

pantera1 [17]2 years ago

8 0

Fractions: ½ , colon: 1:2 and using to: 1 to 2

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3. A sign company is building a sign with the dimensions shown. What is the area, in square feet, of the sign? Round to the near

Aleks04 [339]

Answer:

84.87sq ft

Step-by-step explanation:

Let ABC be the triangle and AD be the perpendicular on BC such that BD=DC=7ft.

Now, it is known that $\frac{DC}{AC}=cos60^{0}$

$AC=\frac{7}{\frac{1}{2}}$

$AC=7ft$

Now, in triangle ADC, we have

$(AC)^{2}=(AD)^{2}+(DC)^{2}$

$(14)^{2}=(AD)^{2}+(7)^{2}$

$196-49=(AD)^{2}$

$AD=12.12ft$

Now, area of the triangle= $\frac{1}{2}{\times}b{\times}h$

= $\frac{1}{2}{\times}14{\times}12.12$

= $84.87sq ft$

Thus, area of the building is 84.87sq ft.

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2 years ago

4:X is equivalent to 24:12<br> X=???

Elena-2011 [213]

Answer:

X=2

Step-by-step explanation:

Ratios

4:x = 24:12

24:12 reduced is 2:1

Therefore we can see x must be half of 4.

So the answer is 2

Hope this helps! :)

pls mark brainiest

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3 years ago

Read 2 more answers

27 hundredths + 7 hundredths

vredina [299]

Answer:

34 hundredhs

Step-by-step explanation:

27 plus 7= 34

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3 years ago

Beatrice made 7 2/3 cups of lemonade for her lemonade stand. Later, she made 10 3/5 more cups of lemonade. How many cups of lemo

mojhsa [17]

You need to do cross multiplication

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3 years ago

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Factor 4 ^2 + 1 2 <br>4 x^2 + 1 2

olga2289 [7]

Answer:

4(31x^2+7)

Step-by-step explanation:

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3 years ago