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antoniya [11.8K]
3 years ago
14

Write a statistical question based on number of hours spent with friends per week

Mathematics
2 answers:
garri49 [273]3 years ago
8 0

Answer:

Step-by-step explanation: time spent with friends

dlinn [17]3 years ago
4 0
Compare the time spent with friends to the overall hours you’ve spent on working this week. How much of your total work was it?
You might be interested in
How many 4-digit multiples of 21 and 15 are there and 4-digit multiples of either 21 or 15 are there?
salantis [7]

Answer:

943

Step-by-step explanation:

21| 1000

   | ----------

       47 | 13

21-13=8

1000+8=1008

21|9999

  |---------

     476|3

9999-3=9996

1008,1029,...,9996

let n be number of terms

a=1008,d=21,l=9996

9996=1008+(n-1)21

9996-1008=(n-1)21

8988=(n-1)21

n-1=8988/21

n-1=428

n=428+1=429

again 15|1000

            |---------

                66|10

15-10=5

1000+5=1005

15|9999

  | ---------

      666|9

9999-9=9990

1005,1020,...,9990

a=1005,d=15,l=9990

let n be number of terms.

9990=1005+(n-1)15

9990-1005=(n-1)15

8985=(n-1)15

n-1=8985/15

n-1=599

n=599+1=600

21=3×7

15=3×5

L.C.M.=3×5×7=105

105)1000(9

      -945

     ____

         55

105-55=50

1000+50=1050

105)9999(

     -945

   ---------

         549

       - 525

        -------

            24

        -------

9999-24=9975

1050,1155,...,9975

let n be number of terms.

d=105

l=a+(n-1)d

9975=1050+(n-1)105

9975-1050=(n-1)105

8025=(n-1)105

n-1=8925/105

n-1=85

n=85+1=86

so there are 86 multiples of 21 and 15

(A∪B)=A+B-(A∩B)

multiples of 21 or 15=429+600-86=1029-86=943

4 0
2 years ago
blake is cutting a piece of rope into fourths. if each piece is 16 in ches long, what is the length of the entire rope?
sashaice [31]
Hello Alexgator88,
If there are four sections of rope and each piece is 16 inches long then we know that 16 times 4 is 64.
So your answer is 64 inches long.
~Naterator
Please Thank and Rate If This Was Helpful <3
8 0
3 years ago
Read 2 more answers
What phrase in the problem indicates that estimated product is being asked for?
shepuryov [24]

Answer:

571 x 32 = 18,272

Step-by-step explanation:

Okay, multiplication was always a favorite.

Think of this, 571 thirty-two times.

5 0
2 years ago
PLEASE HELP!!!
Nuetrik [128]

Answer:

+2Na

Step-by-step explanation:

its like algebra kinda when you have a 3y or 2x your Na ion is multiplied by 2 becoming 2Na

3 0
3 years ago
G(t)=t³+5t²; Find g(-1)​
erik [133]

Answer:

I need points sorry bbh

Step-by-step explanation:

hh

6 0
2 years ago
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