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spayn [35]
3 years ago
13

I need help!! ASAP!!

Mathematics
1 answer:
ohaa [14]3 years ago
6 0

Answer:your answer is c

Step-by-step explanation:if you want to be friends we can just friend me

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The Stem-and-Leaf plot shows the class average on the last math test. Select the true statement below.
Anestetic [448]
I think it's c. the mean was 89
6 0
3 years ago
how many 3 element subsets of {1, 2, 3, 4, 5, 6, 7, 8, ,9, 10, 11} are there for which the sum of the elements in the subset is
AURORKA [14]

Answer:

There are 155 ways in which these elements casn occur.

Step-by-step explanation:

We want 3 element subsets whose sum are multiples of 3

1+2+3= 6

1+2+6= 9

1+2+9= 12

1+9+11=21

1+3+5=9

1+4+8=12

1+5+6=12

1+6+8=15

1+7+10=18

1+8+9=18

1+9+11=21

2+3+7=12

2+4+6=12

2+4+9=15

2+5+11=18

2+6+7=15

2+7+9=18

2+8+5=15

2+8+11=21

2+9+10=21

3+6+9= 18

3+9+11=21

3+10+11=24

6+9+10=27

6+8+11=27

6+7+11=24

7+8+9= 24

8+9+10=27

7+9+11=27 .........

We have 11 elements

We need a combination of 3

The combinations can be in the form

even+ even+ odd

odd+odd+odd

even + odd+odd

So there are 3 ways in which these elements can occur

Total number of combinations with  3 elements =11C3= 165

There are 6 odd numbers and 5 even numbers.

Number of subsets with 3 odd numbers = 6C3= 20

Number of two even numbers and 1 odd number = 5C2*6C1=10*6= 60

Number of 2 odd and 1 even number = 6C2* 5C1= 5*15= 75

So 20+60+75=155

There are 155 ways in which this combination can occur

6 0
3 years ago
What's negative 4 times p
MrRa [10]

Answer:

The answer will b -4p

plz can i get brainliest

6 0
3 years ago
Read 2 more answers
-> What is the remainder of 46 divided by 48?
fenix001 [56]

<h2>one 1</h2>

<h2>please mark in brain list </h2>
5 0
4 years ago
Read 2 more answers
Find the slope and write the equation in y=mx+b form for (3,9) and (0,3)
azamat

when you're finding slope with two given point you choose the second point of Y subtract the first point of Y. Second point of X subtract first point of X

slope is the change of Y over the Change of X

(3,9) is the second ordered pair so that will be you x2 and y2 because the point is after (0,3)

equation for slope: y2-y1/x2-x1

what you do is

9-3 = 6

3-0=3

6/3 if you simplify it it is 2.

the slope is 2

plug your numbers into the equation and isolate b which is the y intercept

8 0
4 years ago
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