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AnnZ [28]
3 years ago
7

This is a rational equation i don't understand lol -2 1/4 = 2w

Mathematics
2 answers:
zalisa [80]3 years ago
8 0

Answer:

w=-9/8

Step-by-step explanation:

We are given the equation -2 \frac{1}{4} = 2w. To solve this equation, we can divide both sides by 2 to get that w = -2\frac{1}{4} \div 2 = -\frac{9}{8}.

Aleksandr-060686 [28]3 years ago
4 0

Answer:

w = - \frac{9}{8}

Step-by-step explanation:

Given

- 2 \frac{1}{4} = 2w ( change the mixed number to an improper fraction )

- \frac{9}{4} = 2w ( multiply both sides by 4 to clear the fraction )

- 9 = 8w ( divide both sides by 8 )

- \frac{9}{8} = w

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Answer: x = 31

Step-By-Step:

<u>To Find x:</u>

<u />\left(2x+20\right)+\left(x+10\right)+\left(2x-5\right)=180 (Angle Sum Property Of Triangles)

(Remove the brackets)

<u />2x+20+x+10+2x-5=18<u />

(Group Accordingly)

<u />2x+x+2x+20+10-5=180<u />

= 5x+20+10-5=180

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= 5x= 180 - 25

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= x=\frac{155}{5}

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Angle A = x + 10 = 31 + 10 = 41

Angle B = 2*x + 20 = 2*31 + 20 = 82

Angle C = 2*x - 5 = 62 - 5 = 57

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