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3 years ago

Find the slope of the line that passes through (10, 1) and (5,2) -5 -1/5 1/5 5

Mathematics

1 answer:

rusak2 [61]3 years ago

7 0

Answer:

-1/5 I believe, since you go down one and to the right by 5.

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The mean amount spent by a family of four on food per month is $500 with a standard deviation of $75. Assuming that the food cos

JulijaS [17]

Answer:

The probability that a family spends less than $410 per month

P( X < 410) = 0.1151

Step-by-step explanation:

Step(i):-

Given mean of the population = 500

Given standard deviation of the Population = 75

Let 'X' be the variable in normal distribution

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

Given X = $410

$Z = \frac{410-500}{75} = - 1.2$

Step(ii):-

The probability that a family spends less than $410 per month

P( X < 410) = P( Z < - 1.2 )

= 0.5 - A( -1.2)

= 0.5 - A(1.2)

= 0.5 - 0.3849 ( ∵from normal table)

= 0.1151

Final answer:-

The probability that a family spends less than $410 per month

P( X < 410) = 0.1151

6 0

2 years ago

Pam needs to spend less than $40 on her school supplies. She spends $12 on a

Cloud [144]

Answer:

Step-by-step explanation:

Total amount of money she has=$40

Spends=12

40-12=28

She has $28 dollars left to spend on her binders.

3 0

2 years ago

Read 2 more answers

Which graph represents the function f(x))=2•(1/3)^x

prisoha [69]

Answer:

The one in the right top hand corner. It shows one arrow pointing up and one to the right.

Step-by-step explanation:

I can't really explain it.

5 0

1 year ago

jim’s percentile rank in a class of 50 students was the 92nd. what was his rank in the class (1st = best, 2nd = second best, etc

dezoksy [38]

Jim is ranked third best in his class of 50 students.

4 0

2 years ago

Please help with this

Aleksandr-060686 [28]

Answer:

Step-by-step explanation:

(3x -14) + 9x is 90 degrees, so if you add 90 it becomes 180 degrees

It is 90 degrees because you can see that there is a right angle there

6 0

3 years ago