2 years ago

Write a rule to describe a translation 5 units left and 10 units up.

1 answer:

3 0

To translate 5 units left, add 5 to every x to move up 10 units, add 10 to whole equaiotn example y=2x+2 move left 5 y=2(x+5)+2 move up 10 y=2(x+5)+2+10

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During the summer, the population of spring lake is 30,155. During the winter, the population drops down to 13,876. How many peo

aleksley [76]

30,155-13,876=16,279
16,279 people spend on the summer months in spring lake.

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3 years ago

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Each year, all final year students take a mathematics exam. It is hypothesized that the population mean score for this test is 8

drek231 [11]

Answer:

95% Confidence interval: (96.06,103.94)

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 85

Sample mean, $\bar{x}$ = 100

Sample size, n = 30

Alpha, α = 0.05

Population standard deviation, σ = 11

95% Confidence interval:

$\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

$100 \pm 1.96(\frac{11}{\sqrt{30}} ) = 100 \pm 3.94= (96.06,103.94)$

(96.06,103.94) is the 95% confidence interval for the population mean test score.

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2 years ago

Assume the selling price of your house calculate the

emmasim [6.3K]

Answer:

$14000

Step-by-step explanation:

Given that :

Commission 5% of sale price

Sale price of house = $280,000

Commission = 5% of $280,000

Hence,

Commission = 0.05 * $280,000

Commission = $14,000

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2 years ago

9. What is the distance along the x axis from order pairs -8, 6 and 4,6

Blababa [14]

Answer:

12 units

Step-by-step explanation:

got it right on edg

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3 years ago

Plz someone help me I just guessed but what's the real answer, I need this asap

sladkih [1.3K]

Answer: Honestly it has to be B dont see how the others come into play

Step-by-step explanation:

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2 years ago