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Vlad [161]
3 years ago
6

8n - 24 = -2 (1 - 3n) + 2n

Mathematics
2 answers:
ICE Princess25 [194]3 years ago
4 0

Answer:

n=-11

Step-by-step explana

stiks02 [169]3 years ago
4 0

Answer:

0=22

Step-by-step explanation:

Step 1)

8n+−24=(−2)(1)+(−2)(−3n)+2n

8n+−24=−2+6n+2n

8n−24=(6n+2n)+(−2)(Combine Like Terms)

8n−24=8n−2

Step 2)

8n−24−8n=8n−2−8n - Subtract 8n from both sides.

8n−24−8n=8n−2−8n

−24=−2

Step 3)

−24+24=−2+24 - Add 24 to both sides.

0=22

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2:x and 12:18 a-3, b-4, c-6
nirvana33 [79]

The Corrected Problem is :

2:x and 12:18 identify the value of x that makes each pair of ratios equivalent .

Solution:

If a pair of Ratios are equivalent then we can write

\frac{2}{x}=\frac{12}{18}\\ \\ \text{Simplify we get}\\ \\ 12x=36\\ \\ \text{Divide both the sides by 12 we get}\ \\ \\ \frac{12x}{12}=\frac{36}{12}\\ \\  x=3\\ \\ \text{Hence the required value of x is 3}\\

3 0
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7 0
3 years ago
PLEASE PEOPLE, HELP ME!! Geometry
Oksanka [162]
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A=(1/2)a*b*sin(∡ab)

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we know that
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sin(∡B)=[2*5√3]/[(5)*(4)]=10√3/20=√3/2
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 now i use the the Law of Cosines 

c2 = a2 + b2 − 2ab cos(C)

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AC²=5²+4²-2*(5)*(4)*cos (60)----------- > 25+16-40*(1/2)=21

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2) we know that

a/sinA=b/sin B=c/sinC

and

∡K=α

∡M=β

ME=b

then

b/sin(α)=KE/sin(β)=KM/sin(180-(α+β))

KE=b*sin(β)/sin(α)

A=(1/2)*(ME)*(KE)*sin(180-(α+β))

sin(180-(α+β))=sin(α+β)

A=(1/2)*(b)*(b*sin(β)/sin(α))*sin(α+β)=[(1/2)*b²*sin(β)/sin(α)]*sin(α+β)

A=[(1/2)*b²*sin(β)/sin(α)]*sin(α+β)

KE/sin(β)=KM/sin(180-(α+β))

KM=(KE/sin(β))*sin(180-(α+β))--------- > KM=(KE/sin(β))*sin(α+β)

the answers part 2) are

side KE=b*sin(β)/sin(α)
side KM=(KE/sin(β))*sin(α+β)
Area A=[(1/2)*b²*sin(β)/sin(α)]*sin(α+β)

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3 years ago
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8 0
3 years ago
Can someone please help me with this
Anit [1.1K]

180 = 96 + 2x + x + 12

180 = 96 + 3x + 12

180 = 108 + 3x

-108  -108

72   =  3x

/3       /3

24 = x

7 0
2 years ago
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