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Karo-lina-s [1.5K]
3 years ago
14

The answer to question 9

Mathematics
1 answer:
vladimir1956 [14]3 years ago
5 0
II hope this helps it’s pretty simple
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The left and right page numbers of an open book are two consecutive integers whose sum is 321
PIT_PIT [208]

Answer:

160,160

Step-by-step explanation:

let the first page be X

second one be x+1

x+x+1=321

2x=320

x= 320÷2=160

pages 160 161

6 0
3 years ago
Last week Sarah lost' 6.25 pounds but this week she gained 4.6 pounds. What was her overall weight change?​
marissa [1.9K]

Answer:

10.85

Step-by-step explanation:

hope its right :)

6 0
2 years ago
Has anyone here met any of the 1D boys?<br> and if you have what are they like
vovikov84 [41]
I haven’t met them but they seem like very nice fun people ...
Have you met them? :)
6 0
3 years ago
Ali surveyed 200 students at a school and recorded the eye color and the gender of each student. of the 80 male students who wer
Aloiza [94]
Total number of students surveyed = 200
Number of male students = 80
Number of female students = 200 - 80 = 120

Number of brown eyed male students = 60
Probability of a brown eyed male student = 60 / 80 = 0.75.

Since, <span>eye color and gender are independent, this means that eye color is not affected by the gender. Thus, we expect a similar probability of brown eye for female as we had for male.

Let the number expected of brown eyed females be x, then x / 120 = 0.75.

Thus, x = 120(0.75) = 90.

Therefore, the number female students surveyed expected to be brown eyed is 90.</span>
7 0
3 years ago
D+(-9)=-5<br> i need to solve for d. thank u
goldfiish [28.3K]

Answer:

4

Step-by-step explanation:

d - 9 = -5

Add 9 to -5, and you will get 4.

4 - 9 = -5

8 0
2 years ago
Read 2 more answers
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