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Anastaziya [24]
2 years ago
12

HELP!!!! IM a lil confused

Mathematics
1 answer:
Burka [1]2 years ago
4 0

Answer:

(6-2)180

4(180)= 720 degrees

add all the angles together and you get 595

720-595= 125 degrees (this is what x is)

pretty much the formula at the bottom is to figure out the sum of all interior angles, which is how i got 720.

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What is -3x^2-4x-4=0
ss7ja [257]

Answer:

<h2>no real solution</h2>

Step-by-step explanation:

-3x^2-4x-4=0\qquad\text{change the signs}\\\\3x^2+4x+4=0\\\\\text{use the quadratic formula:}\\\\\text{for}\ ax^2+bx+c=0\\\\\text{if}\ b^2-4ac0,\ \text{then an equation has two solutions:}\ x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}

\text{We have}\ a=3,\ b=4,\ c=4.\\\\\text{Substitute:}\\\\b^2-4ac=4^2-4(3)(4)=16-48=-32

8 0
3 years ago
18,18,15,18,18,24,21,21,24,14 which one is mean
julsineya [31]

Answer:19.1

Step-by-step explanation: Put the numbers in order and then add the numbers and then divide it by how many number there is

14+15+18+18+18+18+21+21+24+24=191

191/10=19.1

7 0
2 years ago
Which value is the 10th term in the sequence: -62, -48, -34, -20, -6....?
Karolina [17]
B) 64, because all these numbers have a difference of 14, and it you keep going, the 10th term will be 64.
8 0
3 years ago
Read 2 more answers
PLEASE HELPPPP<br><br> 4(x−2 1/4)=−3.7
LekaFEV [45]

First let’s convert the mixed numbers to improper fractions 2 1/4 =9/4
Then u get 4(X-9/4) =-3.7
Now your gonna divide both sides by four
4(X-9/4) over 4 = -3.7 over 4
4/4 =1 …X=-9/4
-3.7/4 = -0.925
Now you’re going to add 9/4 to each side
X-9/4+9/4=-0.925 +9/4
-9/4 + 9/4 =0 (X)
Now you have just -0.925 and nine fourths
I converted 9/4 —> 2.25
Then u still have -0.925
So add 2.25+-0.925 u get ur X which is 1.325 (this is ur answer)
5 0
3 years ago
AC−⇀− bisects ∠BAD.If m∠BAC=38°, find the m∠BAD.
PilotLPTM [1.2K]

Answer:

180-38=142 the other angle is 142

Step-by-step explanation:

4 0
3 years ago
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