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stiks02 [169]
2 years ago
7

Six more than two times a certain number is less than the number increased by twenty.

Mathematics
1 answer:
Amanda [17]2 years ago
6 0
2x + 6 < x + 20
- x        - x
  x + 6 < 20
      - 6   - 6
        x < 14

Solution Set: (-∞, 14)
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3 years ago
At right angles.)<br> 4 m<br> 4 m<br> 2 m<br> 2 m<br> 7 m<br> 2<br> 3 m<br> 7 m<br> 11 m
Arisa [49]

Answer:

71

Step-by-step explanation:

Area of fig 1 = 1 x b = 7 x 4 = 28

Area of fig 2 = l x b = (7-2) x 3 = 5 x 3 = 15

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Area of whole fig = fig 1 + fig 2 + fig 3 = 28+15+28 = 71

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6 0
2 years ago
Read 2 more answers
Do more than 50 percent of the children in a certain group have brown hair?
babymother [125]

Answer:

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In the case all the girls have brown hair, the 70% remaining would be boys. So 70% of then would have brown hair. (0.7*0.7=0.49 -> 49% of the children would be brown hair) so 49% (boys) and 30% (girls) are more than 50%..

Now, let's suppouse that 90% of the group are girls. It means 10% are boys and 70% of that 10% (=7%) are the boys in the group that have brown hair. Now 7% + 30% of the children have brown hair, wich isn't more than the half.

We have explained with two extreme cases that the information is not enough for making a precise answer

7 0
2 years ago
Find the length of AB .<br> E<br> 12<br> B<br> D<br> AB
aivan3 [116]

Answer:

23

Step-by-step explanation:

8 0
3 years ago
PLEASE HELP PLEASE (dont do links)
miss Akunina [59]

Answer:

B

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= -54

5 0
3 years ago
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