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2 years ago

Can someone explain how you would figure this out step by step.

Mathematics

1 answer:

Xelga [282]2 years ago

4 0

Answer:

Step-by-step explanation:

I don’t know if this will help but I hope it does let me know if you get it or not

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4. A town has a population of 450,000 people. If 60% of the population are under 25 years of age, how many people in the town ar

lesya [120]

Answer: <em>ok so if 60% is under 25 then we can assume 40% is over 25, and then do 40% of 450,000, which is 180,000 .</em>

<em>so we can say that 180,000 people in the town are over 25 years old</em>

5 0

1 year ago

Building a model of an object "to scale" means that the height of the object is ____________ to the height of the model.

Zina [86]

The height of the object is EQUAL to the height of the model. We can see this in advertising when for example cereal is being advertised and on the box is says "actual size" because the cereal is drawn to scale.

8 0

2 years ago

1= what as a fraction

Anna [14]

Answer:

it could be 1/1 or 2/2 or 3/3 or 4/4 or 5/5 or 6/6 it is the same thing just put the number like how i did depending on the question

Step-by-step explanation:

7 0

2 years ago

Simplify as far as possible:3x+4y+7y

Mazyrski [523]

Answer:

3x+4y+7y = 3x + 11 y

Step-by-step explanation:

We need to simplify the given expression i.e.

3x+4y+7y

We know that, the like terms gets add up i.e. the sum of 4y and 7y equals 11 y

So,

3x+4y+7y = 3x + 11 y

Hence, the final simplification should be 3x + 11 y.

8 0

3 years ago

Charlotte is running at a rate of 9\,\dfrac{\text{km}}{\text{h}}9 h km 9, start fraction, start text, k, m, end text, divided

OverLord2011 [107]

Answer:

2.5 meters per second

Step-by-step explanation:

Given,

The speed of Charlotte = 9 km/h

That is, the distance covered in 1 hour = 9 km,

∵ 1 km = 1000 m

So, the distance covered in 1 hour = 9000 m,

∵ 1 hour = 60 minutes and 1 minute = 60 seconds,

⇒ 1 hours = 3600 seconds,

∴ The distance covered in 3600 seconds = 9000 m,

⇒ Distance covered in 1 second = $\frac{9000}{3600}$ = 2.5 m,

Hence, his/her speed = 2.5 meters per second

5 0

3 years ago