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Juli2301 [7.4K]
3 years ago
11

Please help me with this I will give brainliest please answer it right

Mathematics
1 answer:
weeeeeb [17]3 years ago
6 0

Answer:

A

Step-by-step explanation:

RR, RY, RG, RP, YY, YG, YP, YR, GG,GP, GR, PP, PR, PY, PG.

All combinations of the four colors are provided in Option A as written out above. The other options are missing combinations.

I hope I helped, Would appreciate Brainliest! ;)

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Quadrilateral ABCD is a parallelogram .if angle A=3x° and angle c=120 then find the value of x​
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2 years ago
What is the common difference of the following arithmetic sequence? 120, 108, 96, 84, ...
IgorLugansk [536]

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-12

Step-by-step explanation:

120-108 = -12

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3 years ago
How much of a 60% saline solution would you need to add to pure water to create 10 L of a 50% saline solution ?
Julli [10]
So say, we add "x" of the 60% saline solution, now, how much salt is in that solution?  now 60% is salt but the rest is something else, but only salt is 60% of "x", or (60/100) * x, or 0.6x.

likewise, for the 10 Liters, if only 50% is salt, then is just (50/100) * 10 or 5.

now... let's check the water whilst we add "y" amount, the water has no salt at all, freshwater for that matter, so, salinity is 0%.  or (0/100) * y or 0.

\bf \begin{array}{lccclll}
&\stackrel{liters}{amount}&\stackrel{\textit{\% of salt}}{quantity}&\stackrel{\textit{total salt}}{quantity}\\
&------&------&------\\
\textit{60\% sol'n}&x&0.60&0.6x\\
\textit{pure water}&y&0.00&0y\\
------&------&------&------\\
mixture&10&0.50&5
\end{array}

\bf \begin{cases}
x+y=10\\
0.6x+0y=5
\end{cases}
\\\\\\
0.6x=5\implies x=\cfrac{5}{0.6}\implies x=\cfrac{25}{3}\implies x=8\frac{1}{3}
7 0
3 years ago
Determine the value of x
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Answer:

x=10

Step-by-step explanation:

40= 3x+10 (it equals 40 because of vertical angles)

7 0
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Find the rational zeros f(x)=x^4+12x^31x^2-12x-32
ratelena [41]
(((x4) + ((22•3x31) • x2)) - 12x
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