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Ludmilka [50]
3 years ago
6

Simplify the expression (-8/15)+(1/15)

Mathematics
1 answer:
Mice21 [21]3 years ago
4 0
If it is fractions then the answer is -7/15. Think of as 8/15 - 1/15 except the answer is a negative number

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A class of 30 students took midterm science exams. 20 students passed the chemistry exam, 14 students passed physics, and 6 stud
sergejj [24]

Answer:

Step-by-step explanation:

Given :

Total students = 30

Students passed chemistry exam = 20

Students passed physics exam = 14

Students passed both exams = 6

To find: Venn diagram

Solution:

Total students = 30 i.e. U = 30

Students passed chemistry exam = 20

Students passed physics exam = 14

Students passed both exams = 6

Students passed only chemistry = 20-6 =14

Students passed only Physics = 14-6=6

So refer the attached figure for the Venn diagram

4 0
3 years ago
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Answer:

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6 0
3 years ago
-8p^2+8p+7=9<br> how do i find the discriminant
m_a_m_a [10]
The discriminant can be found using the formula b^2-4ac 

First put your equation in standard form, where all your values are on one side, and just add f(x) or y in front of your equation. 
y= 8p^2-8p+2

The first value of your equation is a   (a=8)
The second term of your equation is b  (b=-8)
The last term of your equation is c  (c=2)

Plug in the values to the discriminant equation b^2-4ac 
5 0
3 years ago
Check my answer please? Get 25 points + Brainliest!!
Zigmanuir [339]
No its sss because you have no given angles only sides 
7 0
3 years ago
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vlabodo [156]

Answer:

45 hours on math, 20 on science, 18 on soc st, and 17 on la

Step-by-step explanation:

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