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Vsevolod [243]
3 years ago
10

Find the value of x.

Mathematics
1 answer:
aleksandrvk [35]3 years ago
5 0

Answer:

16 = x

Step-by-step explanation:

A triangle has 180 degrees. Use this to solve for x

180=(9x-8)+(x+2)+(x+10)

180 = 9x + x + x - 8 + 2 +10

180 + 8 -2 - 10 = 11 x

176 = 11x

176/11 = x

16 = x

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Mazyrski [523]

Answer:

-5 is the slope and -16 is the y intercept

8 0
3 years ago
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A recipe for lemonade calls for 6 cups of lemonade for every 24 cups water. Which equation can be used to find x, the percent of
Gelneren [198K]

Answer:

To make 6 cups, you will need 2 cups of lemon and 4 cups of water....6 total

TWO of the six are lemon    2/6 x 100 = 33.33% Lemon    the rest is water  100-33.33= 66.67% water

OR

FOUR out of the SIX are water    4/6 x 100 = 66.67% Water

Step-by-step explanation:

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3 years ago
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miv72 [106K]

Answer:

a) = 17 cups b) = 19

Step-by-step explanation:

a). You need to use the equation for this. Since W is what we are trying to find just plug in the values. Therefore it should be...

1.5x11 + .5 = 17

b). You need to work backwards from your formula. Since we know W, the formula will look like...

29=1.5r+.5

- So for this problem, I would suggest the guess and check method. Knowing 11 cups of rice equals 17 cups of water, we should pick a number higher than 11.

- For example, lets use the answer to make this simpler, therefore we pick 19. Next, we fill in the formula; we should get...

29=1.5x19+.5

- As one can see, the answer is 19 because using the formula we end up with 29 cups of water.

- Hope this helped! If you need a further explanation or more help please let me know, as I would be glad to help anytime.

3 0
3 years ago
What number is represented by −3x²+√2x+1/2 when x=√2?
Mila [183]

Answer:

at x = \sqrt{2},  -3x^{2} + \sqrt{2}x + \frac{1}{2} = -3.5

Step-by-step explanation:

The given equation is -3x^{2} + \sqrt{2}x + \frac{1}{2}

Now, substitute the value of x = \sqrt{2} in the above equation.

The given equation simplifies to,

-3(\sqrt{2})^{2} + (\sqrt{2})(\sqrt{2}) + \frac{1}{2}

now, \sqrt{2} . \sqrt{2}  = 2, \textrm{and} (\sqrt{2} )^{2} = 2

So, the equation become

-3(2) + 2 + (1/2) = -6 + 2 + \frac{1}{2}   = -4 + \frac{1}{2} = \frac{-8 + 1}{2}  = \frac{-7}{2}  

= -3.5

So, at x = \sqrt{2},  -3x^{2} + \sqrt{2}x + \frac{1}{2} = -3.5

6 0
3 years ago
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ANEK [815]

Answer:

1. liked vanilla

2. liked chocolate

3. True or does

Step-by-step explanation:

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