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vazorg [7]
2 years ago
10

speed in pages per minute ppm for for printers are 7.105 ppm, 7.221 ppm, 7.4 ppm, and 7.08 ppm. which shows the fastest printer

Mathematics
1 answer:
KonstantinChe [14]2 years ago
7 0

Answer:

Fastest printer=7.4 ppm

Step-by-step explanation:

The 7.4 is the fastest since it prints 7.4 pages per minute:

7.4>7.221>7.105>7.08

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HA<br> 1) Simplify the expression.<br> 9 - 5*4 + 3
AysviL [449]

Answer:

Step-by-step explanation:

9-5*4+3

9-20+3

-11+3

= -8

3 0
3 years ago
Read 2 more answers
Consider a t distribution with 7 degrees of freedom. Compute P(-1.29 &lt; t &lt; 1.29). Round your answer to at least three deci
ss7ja [257]

Answer:

a) 0.76197086

b) -1.73406361

Step-by-step explanation:

a)

Consider a t distribution with 7 degrees of freedom. Compute P(-1.29 < t < 1.29)

P(-1.29 < t < 1.29) would be the area under the t distribution curve with 7 degrees of freedom between -1.29 and 1.29, that is in the interval (-1.29, 1.29).

This can be done the old style by looking up in a table or by using the technology with a spreadsheet.

In Excel, the function TDIST(x,n,2) with x>0 gives the area outside the interval (-x, x) of the t distribution with n degrees of freedom.

So TDIST(1.29,7,2) gives the area outside (-1.29, 1.29).

If we subtract this value from 1 we get the desired result

Hence  

P(-1.29 < t < 1.29) = 1 - TDIST(1.29,7,2) = 1 - 0.23802914 = 0.76197086

In OpenOffice Calc, the function is the same replacing “,” with “;”  

That is

P(-1.29 < t < 1.29) = 1 - TDIST(1.29;7;2) = 0.76197086

b)

Consider a t distribution with 18 degrees of freedom. Find the value of c such that P(t≤ c) = 0.05

We are looking for a point c such that the area of the t distribution with 18 degrees of freedom to the left of c is 0.05

In Excel, the inverse function of TDIST is TINV.  

TINV(p*2,n) with p>0 gives the point c such that the area of the t distribution with n degrees of freedom to the right of c is p.  

Since <em>the t distribution is symmetric with respect to 0</em>, -c would be a point such that the area to the left of -c is p.

So we want to compute  in Excel

-TINV(0.05*2,18) = -1.73406361

In OpenOffice Calc  

-TINV(0.05*2;18) = -1.73406361

3 0
2 years ago
How to solve this one​
djyliett [7]

Step-by-step explanation:

It's a growth exponential graph.

Domain = All real numbers

Range= y>-5

y-int= -5

x=0 , so 3^0-5=-5

Asymptote: -5

5 0
3 years ago
If Julie had 10 bags of apples that has 5 apples in it and she took out 3 apples from 1 bag, how many apples does she have
miv72 [106K]

Answer:

47 apples

Step-by-step explanation:

50 apples - 3 apples

47 apples

7 0
3 years ago
Read 2 more answers
What is the force of gravity (in Newtons) acting between the Earth and a 100-kg person who is on board the International Space S
ratelena [41]

Answer:

f_{G}=317877.55 N = 317.8 kN

Step-by-step explanation:

f_{G}= (G*m_{1}*m_{2})/r^{2}  \\Where:\\f_{G}= force  of  gravity\\G=gravitational constant= 6.6x10^{-11}m^{3}kg^{-1}s^{-2}\\ m_{1}= earth mass = 5.9x10^{24}kg\\m_{2}=person mass = 100kg\\r= distance between the bodies=350km= 350 000 m

5 0
2 years ago
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