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andre [41]
3 years ago
10

At East Junior High School, there are a total of 1175 students in the 7th and 8th

Mathematics
1 answer:
Agata [3.3K]3 years ago
5 0

Answer:

7th grade has 1100 and 8th has 75

Step-by-step explanation:

here's why...........1100 plus 75 is the total of 1175

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In triangle ABC, angle C is a right angle and BC=5. If measure of angle B = 30 degrees, find AC
Nina [5.8K]
Answer = d

using the 30 - 60 - 90 triangle theorem

side across from the angle

across from angle 30 is x
across from angle 60 is x rad. 3
across from 90 is 2x

BC is across from angle 60
so BC is the x rad 3
set the given measurement equal to it

x sqrt 3 = 5
÷ sqrt 3 ÷ sqrt 3
x = (5/ sqrt 3)
multiply top and bottom by the radical to get rid of the radical in the bottom

x = (5/ sqrt 3) × (sqrt 3/sqrt 3)
x = 5 sqrt 3/ 3

since side BC is x
BC = 5 sqrt 3/ 3

* Drawing the triangle diagram would help*
5 0
3 years ago
Read 2 more answers
3.
nikitadnepr [17]

i think the answer is linear I am not sure though

4 0
3 years ago
Simplify 5(x - 6).<br> 5x - 6<br> 0 5x - 30
Lesechka [4]

Answer:

It depends on what property you use

Step-by-step explanation:

If you use the distributive property then you would get 5x-30

If you factor you would get 5(x-6)

4 0
3 years ago
Please help if you can Thank you
ratelena [41]
Wow what grade are you in that seems hella confusing!! I feel bad for you!
7 0
3 years ago
What kind of solution is -6(x-2)=-7(x-3)
Firlakuza [10]

Answer:

-6(x-2)=-7(x-3) = False x = 9

Step-by-step explanation:

Solve for x:

-6 (x - 2) = -7 (x - 3)

Expand out terms of the left hand side:

12 - 6 x = -7 (x - 3)

Expand out terms of the right hand side:

12 - 6 x = 21 - 7 x

Add 7 x to both sides:

7 x - 6 x + 12 = (7 x - 7 x) + 21

7 x - 7 x = 0:

7 x - 6 x + 12 = 21

7 x - 6 x = x:

x + 12 = 21

Subtract 12 from both sides:

x + (12 - 12) = 21 - 12

12 - 12 = 0:

x = 21 - 12

21 - 12 = 9:

Answer:  x = 9

6 0
3 years ago
Read 2 more answers
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