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klasskru [66]
3 years ago
10

Kiran surveyed a random sample of students in her school district, and she found these statistics:

Mathematics
2 answers:
const2013 [10]3 years ago
8 0

Its .25 Mr. StatisticsAreImpossible

kkurt [141]3 years ago
3 0
These statistics are impossible: all students who ride bike and use crossing guard ride a bike, so the proportion of students who ride a bike and use the crossing guard must be less than or equal to the proportion of students who ride a bike. This is not true in the given stats; 0.12 > 0.1
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A value of 600 increases by 15%.<br><br>Write an equation that could be used to find the new value.​
dybincka [34]

Answer:

Step-by-step explanation:

600 divided by 6 = 100

15% of 100 = 15

15 times 6 = 90

600+90 = 690

7 0
3 years ago
Read 2 more answers
Questions of 40<br> 3.<br> Which of the following is equal to 2 ?<br> 7<br> A<br> 7
antiseptic1488 [7]

Answer:

7

Step-by-step explanation:

8 0
3 years ago
Solve the following quadratic equation:
Advocard [28]

Answer:

-3.5 or -6

Step-by-step explanation:

2x^2+19x+40=-2

2x^2+19x+40+2=0

2x^2+19x+42=0

2x^2+(12+7)x+42=0

2x^2+12x+7x+42=0

2x(x+6)+7(x+6)=0

(x+6)(2x+7)=0

either,

x+6=0

x=-6

or,

2x+7=0

2x=-7

x=-7/2

x=-3.5

4 0
3 years ago
What is the equation of a line through point (-4,5) that is perpendicular
OLEGan [10]

Answer:

set two equation of line y=ax+b and y=cx+d

when these two lines are perpendicular to each other, then a*c=(-1)

set answer is y=ax+b

we can know that a=1/6

bring in a=1/6 and(-4,5)

5=(1/6)*(-4)+b

=>5=(-2/3)=b

=>b=5 2/3

answer is y=(1/6)x+5 2/3

4 0
3 years ago
Wendy goes to the gym every 4 days and swims every 6 days. If she went to the gym and swam today, in how many days will she do b
Mice21 [21]

In 12 days, Wendy will do the both again.

Step-by-step explanation:

Given,

Wendy goes to gym every 4 days

Wendy swims every 6 days

We will find the least common multiple of both the numbers in order to determine the number of days in which she will do both.

4 = 4,8,12,16,20,....

6 = 6,12,18,24,.....

Therefore;

The least common multiple of 4 and 6 is 12.

Thus,

In 12 days, Wendy will do the both again.

Keywords: multiples, LCM

Learn more about multiples at:

  • brainly.com/question/10196212
  • brainly.com/question/1021953

#LearnwithBrainly

6 0
3 years ago
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