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2 years ago

There are 35 females performed in a dance recital.The ratio of men to women is 3 : 8. How many men are in the dance recital

Mathematics

1 answer:

Ipatiy [6.2K]2 years ago

8 0

Answer:

13 or 13.125 you have to look at your notes to see which it is. Personally I would take 13. Try that first.

Step-by-step explanation:

Be careful how you interpret this question. It reads like this.

3:8 :: x:35

In other words, the 8 and 35 females goes together.

Set this up as a proportion

3/8 = x / 35 Cross multiply

3*35 = 8x Combine the left

105 = 8x Switch

8x = 105 Divide by 8

x = 105 / 8 get the answer

x = 13.125 You cannot have 1/8 of a person. So what are you going to do?

You have to round down. x = 13. How close is this

13/35 = 0.371 as apposed to 0.375 which is what 3/8 is.

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9 hundred thousands equal how many tens

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3 years ago

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BigorU [14]

Answer:

A. Division property of inequality.

Step-by-step explanation:

Let be $2\cdot x > 10$ , we proceed to show the appropriate procedure to step 4:

1) $2\cdot x >10$ Given

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In consequence, the division property of inequality which states that:

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3 years ago

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sdas [7]

Answer:

Regression to the mean fallacy

Step-by-step explanation:

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2 years ago

Which table describes the behavior of the graph of f(x) = 2x3 – 26x – 24?

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Answer:

For x∈ {-∞,-3} y<0, below x-axis

x∈ {-3,-1} y>0, above x-axis

x∈ {-1,4} y<0, below x-axis

x∈ {4,∞} y>0, above x-axis

Step-by-step explanation:

f(x)= $2x^{3}-26x-24$

$2x^{3}-26x-24$ =0

$2x^{3}-26x-24=0\\2x^{3}-2x-24x-24=0\\2x(x^{2} -1)-24(x+1)=0\\2x(x+1)(x-1)-24(x+1)=0\\(x+1)(2x^{2} -2x-24)=0\\=> x+1=0 => x_{1}=-1\\$

$=> 2x^{2} -2x-24=0\\=>2(x^{2} -x-12)=0\\=> x^{2} -x-12=0\\=> x^{2} -4x+3x-12=0\\=> x(x-4)+3(x-4)=0\\=> (x-4)(x+3)=0\\$

$=> x-4=0\\=> x_{2}=4\\=> x+3=0\\=>x_{3}=-3\\$

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x∈ {-3,-1} y>0, above x-axis

x∈ {-1,4} y<0, below x-axis

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