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2 years ago

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Mathematics

1 answer:

Serhud [2]2 years ago

7 0

What is the question

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Common denominator and strategy 2/3 and 10/15

Tom [10]

Their common denominator is 15. Hope it helps! :) If you could vote my answer as the brainliest, that would be awesome! :)

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2 years ago

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What is the value of h(-2)=3x+1 is what

Vitek1552 [10]

-5 is the answer to your question because all you do is plug in -2 into your equation for x

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2 years ago

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Any one know how to find the roots of an equation?

soldier1979 [14.2K]

So what you do is
make into ax^2+bx+c=0 form

add-9/2 to both sides
y^2-2y+9/2=0
now we use the quadratice formula which is
x= $\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}$

ax^2+bx+c=0
1y^2-2y+9/2
a=1
b=-2
c=9/2
subsitute
x= $\frac{-(-2)+/- \sqrt{(-2)^{2}-4(1)(9/2)} }{2(1)}$
x= $\frac{2+/- \sqrt{4-(36/2)} }{2}$
x= $\frac{2+/- \sqrt{4-(18)} }{2}$
x= $\frac{2+/- \sqrt{-14} }{2}$
x= $\frac{2+/- \sqrt{-14} }{2}$
x= $1+/- \frac{\sqrt{-14} }{2}$
x= $1+/- \frac{\sqrt{14} \sqrt{-1}}{2}$
x= $1+/- \frac{\sqrt{14} i }{2}$
x= $1+/- \frac{ i \sqrt{14} }{2}$

answer is C

6 0

2 years ago

I need help pls help me what is the answer to -2(8)

AnnZ [28]

Answer:

-16

Step-by-step explanation:

hope this helps love <3

3 0

2 years ago

Please help! will give 30 points!

insens350 [35]

Answer:

Other needs =25,2 degrees

insurance = 100,8 degrees

Taxes= 7,2

Housing = 57,6

food= 57,6

childcare = 64,8

transportation = 46,8

Step-by-step explanation:

Its % of 360 degrees so you have to calculate the percentage of each categorie on 360 degrees to find the angles. Exemple, for the Other needs, you take 7% out of 360 degrees and you find that it is equal to 25,2. (7% x360 degrees /100)

7 0

2 years ago