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lesya692 [45]
3 years ago
5

45% of 80.374 is a number between

Mathematics
1 answer:
tatiyna3 years ago
7 0

Answer:

36.1683

Step-by-step explanation:

45*80.374/100=

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laila [671]

Answer:

X is equal to 13

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In its Fuel Economy Guide for 2016 model vehicles, the Environmental Protection Agency gives data on 1170 vehicles. There are a
oee [108]

Answer:

15.39%

Step-by-step explanation:

Step 1

Find the z-value associated to the given datum x, in this case x = 28 mpg

<em>z is given by the formula </em>

z=\frac{x-\mu }{\sigma }

where \mu is the mean of the distribution and \sigma is the standard deviation. In this case,

z=\frac{x-\mu }{\sigma }=\frac{28-23}{4.9}=1.02

Step 2

Locate the z-value in the table of z-values of the normal distribution.

(See table attached) and read the number corresponding to this z-value. In this case is highlighted in the table and its value is 0.34614.

<em>This numbers gives us the % of vehicles with a mpg between 0 and 28. </em>

Step 3

As we know that the total area under the curve  for z > 0  is 0.5, then we have to subtract 0.34614 from 0.5 to obtain the % of cars with  a mpg greater than 28 mpg.

0.5 - 0.34614 = 0.15386  

so, the % of 2016 vehicles that have better gas mileage than the Beetle's gas mileage is 15.39 % (rounded to two decimals)

8 0
3 years ago
How to find The equivalent fraction of 36/48 with denominator4
Serggg [28]

Answer:

3/4.

Step-by-step explanation:

36 and 48  have a common factor of 12.

(36 / 12) / (48 / 12)

= 3/4 (answer).

3 0
3 years ago
Read 2 more answers
Given the function f(x)=x2+3x-2
defon

Answer:

  11

Step-by-step explanation:

The average rate of change of function f on interval [a, b] is ...

  m = (f(b) -f(a))/(b -a)

Here, that is ...

  m = (f(6) -f(2))/(6 -2)

So, we need to evaluate the function at x=6 and x=2. Writing it in "Horner form" makes this easier.

  f(x) = (x +3)x -2

  f(6) = (6 +3)6 -2 = 54 -2 = 52

  f(2) = (2 +3)2 -2 = 10 -2 = 8

Then the slope is ...

  m = (52 -8)/4 = 13 -2 = 11

The average rate of change of f(x) from 2 to 6 is 11.

5 0
3 years ago
PLEASE HELP!!!! This is timed
Savatey [412]

Answer:

It's C

Step-by-step explanation:

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