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Zarrin [17]
3 years ago
13

Help please.............

Mathematics
1 answer:
HACTEHA [7]3 years ago
3 0
If i'm correct it should be three/C. Graph C
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The ratio of pencils to erasers is 4:1 if there are 20 pencils how many erasers are there?
Levart [38]
It is 5 because you have to multiply by 5 by 4 and get 20 when you multiply by 5×1 and get 5
7 0
3 years ago
Order numbers 11/8,1.405, and1.45 smallest to largest
Diano4ka-milaya [45]

Step-by-step explanation:11/8 is 12.5 goes into one hundred 8 times so 12 x 11 is 137.5so then turn decimals to a percent 1.405 is 140.5 1.45 is 145 so the it is 137.5 140.5,145

3 0
3 years ago
For the following distribution: x p(x) 0 01.30 1 0.346 2 0.346 3 0.154 4 0.026 what is the mean of the distribution?
bogdanovich [222]

The mean of the distribution given is 0.569.

Given some distribution like under:

     x                           p(x)

     0                            0.650

     1                             0.216

     2                             0.087

     3                             0.026

     4                             0.014

      5                            0.009

We have to find the mean of the distribution.

Mean is the sum of numbers divided by the numbers which are taken into consideration. It is also known as average.

Mean=sum/n

To find the mean of distribution we have to find sum of x*p(x)

∑xp(x)=0*0.650+1*0.216+2*0.0087+3*0.026+4*0.014+5*0.009

=0+0.216+0.174+0.078+0.056+0.045

=0.569

Hence the mean of the distribution given in the question is 0.569.

Learn more about mean at brainly.com/question/1136789

#SPJ4

Distribution in the given question is wrong and the right question is as the right distribution is as under:

 x                           p(x)

     0                            0.650

     1                             0.216

     2                             0.087

     3                             0.026

     4                             0.014

     5                            0.009

5 0
2 years ago
Pls help I need to find the missing sides?!!
sladkih [1.3K]

Answer:

The missing sides are 13 (small) and 2424 (big)

Step-by-step explanation:

The bigger triangle is bigger by 2 so multiply or divide the sides you do know by 2 to find the missing sides.

BC=12

ED= 12*2= 24

FD= 26

AC= 26/2= 13

4 0
3 years ago
A school buys 200 calculators at a special price. x of them were scientific calculators at R89 a piece and the rest were financi
Readme [11.4K]
Let the number of financial calculators purchased = "y"

So, x + y = 200

200 - x = total number of financial calculators purchased

Hope I helped!! xx
5 0
3 years ago
Read 2 more answers
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