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Alborosie
3 years ago
15

A minibus drives 101 km in 1 hour. What is its average speed in kilometers per hour?

Mathematics
1 answer:
tekilochka [14]3 years ago
4 0

Answer:

Step-by-step explanation:

Average speed is distance divided by time.

s=(101km)/(1hr)

s=101 km/hr

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Erica is a sheep farmer. She is having a problem with wolves attacking the flock. She starts with an initial 200 sheep and notic
Free_Kalibri [48]

The equation for the situation is y=200(\frac{2}{3})^{x}

It will take around 9 years for her to have around 5 sheep

Step-by-step explanation:

The exponential decay growth/decay equation is y=a(b)^{x} , where

  • a is the initial value
  • b is the growth/decay factor
  • If b > 1, then it is a growth factor
  • If 0 < b < 1, then it is a decay factor

Erica is a sheep farmer. She is having a problem with wolves attacking the flock. She starts with an initial 200 sheep and notices that the population is two-thirds of the previous year

∵ The population is decreased

∴ The equation is decay

∵ The population is two-thirds of the previous year

∴ The decay factor is \frac{2}{3}

∵ She starts with an initial 200 sheep

∴ the initial value is 200

∵ The decay equation is y=a(b)^{x} , where y represent the

   population in x years

∵ a = 200

∵ b = \frac{2}{3}

∴ y=200(\frac{2}{3})^{x}

The equation for the situation is y=200(\frac{2}{3})^{x}

∵ The population after x years is around 5 sheep

- Substitute y by 5 to find x

∵ 5=200(\frac{2}{3})^{x}

- Divide both sides by 200

∴ 0.025=(\frac{2}{3})^{x}

- Insert ㏒ for both sides

∴ log(0.025)=log(\frac{2}{3})^{x}

∴ log(0.025)=xlog(\frac{2}{3})

- Divide both sides by log(\frac{2}{3})

∴ 9.098 = x

∴ x is around 9 years

It will take around 9 years for her to have around 5 sheep

Learn more:

You can learn more about the equation  in brainly.com/question/10666510

#LearnwithBrainly

8 0
3 years ago
Help!!!!! This is only a review!!!!!! Question is on image below.
solmaris [256]
No, the ratios aren’t equivalent
6 0
3 years ago
Please help it’s easy, State the property that is used. 10=10•1
Molodets [167]

The property identity of multiplication is applied in the given statement.

<h3>Properties of Multiplication</h3>

The properties of multiplication are:

  • Distributive:  a(b±c)=  ab±ac
  • Comutative:   a . b = b. a
  • Associative:    a(b+c)=  c(a+b)
  • Identity: b.1=b

From the property identity, you know that the product between any number by the number 1 equals that number. Example: 3 • 1=3.

The question shows 10=10•1. Like, it was shown previously, this occurs due to the identity property of multiplication.

Read more about the identity property here:

brainly.com/question/23977324

#SPJ1

5 0
2 years ago
This question is confusing
irakobra [83]

Answer:

C

Step-by-step explanation:

5 0
2 years ago
Write the point-slope form of an equation for the line passing through the point (3, -2) with slope 4.
satela [25.4K]
Equation of a line is given by y - y1 = m(x - x1); where m is the slope.
y - (-2) = 4(x - 3)
y + 2 = 4(x - 3)
6 0
3 years ago
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