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erica [24]
2 years ago
5

You don't have to answer if you don't want to lol, but you just gotta simplify.

Mathematics
2 answers:
Anna35 [415]2 years ago
7 0
12shshshsusuwhshwhsjsjs
saveliy_v [14]2 years ago
4 0

Answer:

question 8 is 178cmcubed I think

You might be interested in
1 2/12 - 2/12 - 1/12=
aleksley [76]

Answer:

11/12

Step-by-step explanation:

1 2/12 = 14/12

14/12 - 2/12 - 1/12

since they all have 12, it doesn't matter until the end

14 - 2 = 12 - 1 = 11

put the /12 behind the 11 and you have an answer

7 0
3 years ago
Suppose a triangle has 2 sides of length 3 and 4 and that the angle between these two sides is 60 degrees. what is the length of
shusha [124]

Answer:

\boxed{b.\:\:\:\sqrt{13}}

Step-by-step explanation:

Let the third side of the triangle be h\: units.


We can apply the cosine rule to find h.


h^2=3^2+4^2-2(3)(4)\cos(60\degree)

We evaluate to obtain;

\Rightarrow h^2=9+16-24(\frac{1}{2})


\Rightarrow h^2=25-12


\Rightarrow h^2=13

We take the positive square root of both sides to obtain;

\Rightarrow h=\sqrt{13}


The correct answer is B.

8 0
3 years ago
I NEED HELP PLEASE!!!!!!!
Nostrana [21]
1) 7 hours and 33 minutes
2) 28
3) y = 7
4) a times a times a times a
7 0
2 years ago
What is the answer to-8k-8(-8k+6)
Goshia [24]
-8k - 8(-8k + 6) = -8k + 64k - 48 = 56k - 48
3 0
3 years ago
Turn and Talk How are solving 2x + 4 = 20 and 2x - 4 = 20 alike? How are they different?​
hjlf

Answer:

they are both alike because you're dividing both equations by 2 . in both equations you're trying to get the variable by itself .

they are both different because both of the equations have a different x= . in equation 1 you subtract and in equation 2 you would add .

Step-by-step explanation:

For 2x+4=20 you would make +4 negative 4 to get the variable by itself .

then you'd subtract the numbers 20-4=16

then divide both sides by 2 2÷2 and 16÷2

x=8 is your answer

for 2x-4=20 you would make -4 and make it positive 4 to get the variable by itself

then you'd add the numbers 20+4

then divide both sides by 2 2÷2 and 24÷2

x=12

4 0
2 years ago
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