3 years ago

A shade of green paint is to be mixed with 3 parts blue and 2 parts yellow. Ten gallons of green paint are to be mixed.

Mathematics

2 answers:

Ghella [55]3 years ago

7 0

Answer:

Step-by-step explanation:

myrzilka [38]3 years ago

4 0

Answer:

2 of 3 and 2 of 2 because 2*2=4 3*2=6 then you times both of your products so 6*4=10 but it askes how many of yellow paint must be used do 2 5 times 5*2=10 there is gonna be 5 cans of yellow paint used.

Step-by-step explanation:

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(8,1) and (x,3) The pair of points is on the graph of an inverse variation. Find the missing value.

Gelneren [198K]

$\bf \qquad \qquad \textit{inverse proportional variation}
\\\\
\textit{\underline{y} varies inversely with \underline{x}}\qquad \qquad y=\cfrac{k}{x}\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------$

$\bf (\stackrel{x}{8},\stackrel{y}{1})\textit{ we know that }
\begin{cases}
x=8\\
y=1
\end{cases}\implies 1=\cfrac{k}{8}\implies 8=k
\\\\\\
therefore\qquad \boxed{y=\cfrac{8}{x}}
\\\\\\
(x,\stackrel{y}{3})\textit{ when y = 3, what is \underline{x}?}\qquad 3=\cfrac{8}{x}\implies x=\cfrac{8}{3}$

3 0

3 years ago

Part E<br> 1e. Subtract the binomial 12y2 – 4y3 from the trinomial 7y - 2y3 + 5y2

bazaltina [42]

Answer:

2y^3-7y^2+7y

Step-by-step explanation:

7y - 2y^3 + 5y^2 - ( 12y^2 – 4y^3)

Distribute the minus sign

7y - 2y^3 + 5y^2 - 12y^2 + 4y^3

Combine like terms

2y^3-7y^2+7y