3 years ago

How to find the vertex and axis of symmetry

Mathematics

1 answer:

strojnjashka [21]3 years ago

3 0

Use the equation of -b/2a, so if you have a line you can just plug in the numbers.

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On a map,1 inch equals 10 miles. Two cities are 8 inches on the map. What is the actual distance between the cites?

Zinaida [17]

Answer:

if 1 in= 10 miles, then, 8 in= 80 miles

Step-by-step explanation:

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3 years ago

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2 2/3 + 12 6/8 how do I work this

barxatty [35]

Answer:

$\large\boxed{2\dfrac{2}{3}+12\dfrac{6}{8}=15\dfrac{5}{12}}$

Step-by-step explanation:

$2\dfrac{2}{3}+12\dfrac{6}{8}=2\dfrac{2}{3}+12\dfrac{6:2}{8:2}=2\dfrac{2}{3}+12\dfrac{3}{4}\\\\\text{Find}\ LCD:\\\\\text{List of multiples of 3:}\ 0,\ 3,\ 6,\ 9,\ \boxed{12},\ 15,\ ...\\\text{List of multiples of 4:}\ 0,\ 4,\ 8,\ \boxed{12},\ 16,\ ...\\\\12=3\cdot4\\\\\text{therefore}\\\\\dfrac{2}{3}=\dfrac{2\cdot4}{3\cdot4}=\dfrac{8}{12}\\\\\dfrac{3}{4}=\dfrac{3\cdot3}{4\cdot3}=\dfrac{9}{12}\\\\2\dfrac{2}{3}+12\dfrac{3}{4}=2\dfrac{8}{12}+12\dfrac{9}{12}=(2+12)+\dfrac{8+9}{12}=14+\dfrac{17}{12}\\\\=14+1\dfrac{5}{12}=15\dfrac{5}{12}$

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4 years ago

I need help!!!

BaLLatris [955]

(1) -6 x + 8 x = -46 Answer = -23

(2) w + 3/4 = w - 2/2 Answer = {}

(3) 2 x + 16 = 3(x - 9) Answer = 43

(4) Answer D)

(5) -3 x + 4 = -8 Answer x = 4

(6) C)

(7) B)

(8) C)

(9) x + 3/5=2 Answer x = 7/5

(10) 4 - 2 x = 10 Answer x= = -3

If something is wrong apologize, I hope it helps.

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3 years ago

PLS ANSWER THIS ASAP

Alona [7]

It is the first answer choice

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3 years ago

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Need help please answer !!!

DerKrebs [107]

I feel like it might be the second one

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3 years ago