3 years ago

12x=-4y-8 in slope-intercept form

Mathematics

1 answer:

Sonja [21]3 years ago

7 0

Answer:

x=-y

Step-by-step explanation:

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How much of a 14% solution of iodine should be added to 89 ounces of a 47% iodine solution to get a 29% solution

Andrews [41]

We have 89 ounces of 47% iodine.
We will add "x" ounces of 14% iodine to get a 29% iodine solution.
89 * .47 + .14x = .29 * (89 + x)
41.83 + .14x = 25.81 + .29x
16.02 = .15x
x = 106.80
So, we must add 106.80 ounces of 14% iodine to get a 29% iodine solution.
(for a total of 195.80 ounces)

Source:
http://www.1728.org/mixture.htm

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3 years ago

What is the cofficient of the term of degree 7 in the polynomial 2X^6+2-4X^2+5X^7-4X

34kurt

Im pretty sure its 5x

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3 years ago

Help ASAP A)360 B)50 C)140

viktelen [127]

50

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3 years ago

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Irina-Kira [14]

the product of one term of a multiplicand and one term of its multiplier.

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3 years ago

What's the answer for 3/4 (x+3)=9

Vitek1552 [10]

We want to solve the equation :

$\displaystyle{ \frac{3}{4}(x+3)=9$

first, multiply both sides by 4:

$\displaystyle{ \cancel{4} \cdot \frac{3}{ \cancel 4 }(x+3)=4\cdot 9$

$\displaystyle{ 3(x+3)=36$

divide both sides by 3:

$x+3=12$

add -3 to both sides:

$x=9$

Answer: x=9

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4 years ago