MATHEMATICS HIGH SCHOOL

is it worth it to stress about my math grades in 8th grade? i'm in algebra 1 and the class is the only B i have. The grades for this class go towards my gpa and i'm not understanding a lot of the concepts because i don't have a teacher that explains concepts well. someone please tell me if it's worth stressing about

Answers

Answer 1
Answer:

Answer:

You want top have the highest grade possible in this cource

Step-by-step explanation:

this is becasue all of the other cources in high school are harder than this one. Im in algebra 2 and it is very hard

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Hi could you help me? solve 8-7x=22

Help meeee please! This is so confusing

Answers

Answer:

  9 3/4 . . . . (for the numbers shown)

Step-by-step explanation:

Each number in the table is the product of the number in the left margin and the number in the top margin:

  9 = 3·3

  3/4 = 3·1/4

The total of these numbers in the table is the Area value being asked for.

  9 + 3/4 = 9 3/4

_____

If there is more to the question that isn't shown, you will need to add those partial products to the total, too. We presume you know how to add fractions and mixed numbers.

what famous ancient greek mathematician came up with an approximate value of pi by circumscribing and inscribing circles in and around regular polygons?

Answers

Archimedes came up with \pi
Archimedes came up with an approximate value of pi. 

What is (4x-2)*6(2x+7) in quadratic expression

Answers

48x^2+144x-84 is your answer :)

Simplify 2m - [n - (m - 2n)].

-3m - n
3m - n
-3m - 3n
3m - 3n

Answers

2m - [n - (m - 2n)]

2m - n + (m - 2n)

2m - n + m - 2n

2m + m - n - 2n

3m - 3n

Answer is D.

Three of the angles of a quadrilateral are 120 48 and 92 what is the size of the 4th angle

Answers

Answer:

Measure of fourth angle of quadrilateral is:

100

Step-by-step explanation:

We know that the sum of angles in a quadrilateral is 360°

Three of the angles of a quadrilateral are 120 48 and 92

we have to find the sum of the fourth angle of the quadrilateral

Let measure of fourth angle be x

120+48+92+x= 360

i.e. 260+x = 360

Subtracting both sides by 260, we get

x= 100

Hence, Measure of fourth angle of quadrilateral is:

100
You do 120+48+92=280All angles in a quadrilateral add up to 360, so 360-280=80The answer is 80HAVE FUN DOING MATHS!

Divide r+5/ r^2+5r-14 by r^2+4-21/r-2

Answers

So we want to divide (r+5)/(r^2+5r-14) by (r^2+4r-21)/(r-2).
The first thing we are going to do is factor the denominator of the first fraction and the denominator of the second one:
- For our first fraction:
r^2+5r-14=(r+7)(r-2)
Now we can rewrite our first fraction: 
(r+5)/(r^2+5r-14) = (r+5)/((r+7)(r-2))
- For our second fraction: 
r^2+4r-21=(r+7)(r-3)
Now we can rewrite our second fraction:
(r^2+4r-21)/(r-2) = ((r+7)(r-3))/(r-2)

Last but not least, we can express our division as a fraction and simplify: 
((r+5)/((r+7)(r-2)))/( ((r+7)(r-3))/(r-2)) = ((r+5)(r-2))/((r+7)(r-2)(r+7)(r-3)) = (r+5)/((r+7)^2(r-3))

We can conclude that the result of dividing r+5/ r^2+5r-14 by r^2+4r-21/r-2 is: (r+5)/((r+7)^2(r-3))
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