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2 years ago

Mr. Potter's class will take a test for 1 hours. They need to finish by half past 11 to get to lunch on time.

Mathematics

1 answer:

Marina CMI [18]2 years ago

5 0

Answer:

hope this helps

Step-by-step explanation:

he need to get it done within the hour

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(2) (x-7) (=3) (x+8)

Tasya [4]

Use the distributive property to get 2x - 14 = 3x + 24. Subtract 24 from both sides to get 2x - 38 = 3x. Subtract 2x from both sides to get -38 = x.

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2 years ago

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A manufacturer of lawnmowers wanted to know the most important product attributes to consumers. The company's research team deve

stepladder [879]

Answer: Ordinal measurement scale

Step-by-step explanation:

In ordinal measurement scale the order of values or variables are very important. Just as in the case above, the rating from 1-3 is according to the order of it's importance.

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2 years ago

Samples of skin experiencing desquamation are analyzed for both moisture and melanin content. The results from 100 skin samples

zheka24 [161]

Answer: a. 0.40 b. 0.23 c . 0.435 d . 0.25

Step-by-step explanation:

melanin content Total

high low

moisture high 13 10 23

content low 47 30 77

Total 60 40 <u> </u><u>100</u>

Let A denote the event that a sample has low melanin content, and let B denote the event that a sample has high moisture content.

a) Total skin samples has low melanin content = 10+30=40

P(A)= $\dfrac{40}{100}=0.40$

b) Total skin samples has high moisture content = 13+10=23

P(B) = $\dfrac{23}{100}=0.23$

c) A ∩ B = Total skin samples has both low melanin content and high moisture content =10

P(A ∩ B) = $\dfrac{10}{100}=0.10$

Using conditional probability formula , $P (A|B)=\dfrac{P(A\cap B)}{P(B)}$

$P (A|B)=\dfrac{0.10}{0.23}=0.434782608696\approx0.435$

d) $P (B|A)=\dfrac{P(A\cap B)}{P(A)}$

$P (B|A)=\dfrac{0.10}{0.40}=0.25$

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2 years ago

Help me please thanks

Rus_ich [418]

Answer:

Step-by-step explanation:

the domain is 7

the range is 2

the function is non

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2 years ago

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What is the midpoint between 0.13 and .014

scoundrel [369]

First you add them together and divide by two,
cuz midpoint is basically the middle of two points

i am not quite sure if you are trying to say 0.14 or 0.014, is it a typo?
so i did both, see which one helps

(0.13 + 0.14) ÷ 2= 0.135

(0.13 + 0.014) ÷ 2 = 0.072

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2 years ago