3 years ago

Y minus 3x equals 19

Mathematics

1 answer:

never [62]3 years ago

4 0

y-3x=19 rewritten is y=3x+19

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Last question. 50 points!

Shkiper50 [21]

w=-1.5

w=2

Answer:

Solution given:

$\sqrt{2w²-19w+31}+2=7-2w$

again

keep square root alone

$\sqrt{2w²-19w+31}=7-2w-2$

solve subtraction of 7-2

$\sqrt{2w²-19w+31}=5-2w$

Squaring on both side

$(\sqrt{2w²-19w+31})²=(5-2w)²$

2w²-19w+31=5²-2*5*2w+4w²

take terms one side

2w²-19w+31-25+20w-4w²=0

-2w²+w+6=0

2w²-w-6=0

doing middle term factorisation

2w²-(4-3)w-6=0

2w²-4w+3w-6=0

take common from each two term

2w(w-2)+3(w-2)=0

(w-2)(2w+3)=0

either

w=2

W=-3/2=-1.5

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2 years ago

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Line g has a slope of -5/6. Line h is perpendicular to g. What is slope of line h ?

gavmur [86]

Answer:

6/5

Step-by-step explanation:

When two lines are perpendicular to each other, their slope are the negative reciprocal to each other. (so you flip them and change the sign)

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2 years ago

Jodi favorite clothes include 4 t-shirts, three pairs of jeans, and 2 pairs of sandals. How may days in a row can she wear a dif

Marysya12 [62]

24 days bc 4 t-shirts × 3 jeans × 2 sandals = 24 possible combinations

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2 years ago

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Each side of a square office is 8 yards long. It will cost $65.00 per square yard to replace the carpet in the office. What woul

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Answer:

520 because 65 x 8 is 520

Step-by-step explanation:

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2 years ago

What is X-5+10x+3???

Alekssandra [29.7K]

Answer:

-2+11x

Step-by-step explanation:

Combine like terms

(-5+3)+(x+10x)

-5+3 = -2

x+10x = 11x

-2+11x

8 0

3 years ago