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2 years ago

9

On a map, two houses are 70 centimeters apart. The scale of the map is 1 centimeter = 3.5 meters. What is the actual distance be

tween the houses?

1 answer:

katovenus [111]2 years ago

6 0

The scale is 1 cm = 3.5 m

To find the actual distance multiply the total cam’s by 3.5:

70 x 3.5 = 245 meters

Answer: 245 meters

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Answer:

a) -2 and 4

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Step-by-step explanation:

a)

rate of change is rise over run: change in y / change in x.

function 1:

- i will use first 2 pairs of data

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- change in x: -2 - (-1) = -1

-rate of change = 2/-1 = -2

function 2:

- same idea, but find two points on the graph!

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b)

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2 years ago

How do i round 3,176 to the nearest thousand

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4 years ago

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Which function is represented by the graph? f(x) = −2|x| + 1 f(x) = |x| + 1 f(x) = -2|x + 1| f(x) = |x + 1|

NeTakaya

The correct answer would be y=-|x|+1

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4 years ago

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4 years ago

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The head of maintenance at XYZ Rent-A-Car believes that the mean number of miles between services is 3408 miles, with a variance

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Answer:

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P(X⁻≤3245) = 0.975

Step-by-step explanation:

<u><em>Step(i)</em></u>:-

The mean number of miles between services

μ= 3408 miles

The Variance of miles between services

σ² = 249,001

σ = √249,001 = 499

Let 'X' be a random variable in a normal distribution

Given sample size 'n' =36

<u><em>Step(ii):</em></u>-

$Z = \frac{x^{-}-mean }{\frac{S.D}{\sqrt{n} } }$

Z = -163/83.16 = 1.96

The probability that the mean of a sample of 36 cars would be less than 3245 miles

P(X⁻≤3245) = P(Z≤1.96)

= 0.5 + A(1.96)

= 0.5 + 0.4750

= 0.975

<u><em>Final answer</em></u>:-

The probability that the mean of a sample of 36 cars would be less than 3245 miles

P(X⁻≤3245) =0.975

6 0

3 years ago