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Elan Coil [88]
3 years ago
5

(GIVING BRAINLIEST!!!!!!)

Mathematics
1 answer:
Papessa [141]3 years ago
6 0
1/4 3/4 here you go might be wrong do yeah
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What is the common ratio of the following sequence? 80, 20, 5, ... <br> A) -4 <br> B) 1/4 <br> C) 4
Stolb23 [73]

\bf 80~~,~~20~~,~~5~\hfill \cfrac{20}{80}\implies \boxed{\cfrac{1}{4}}~~,~~ \cfrac{5}{20}\implies \boxed{\cfrac{1}{4}}~\hfill \stackrel{\textit{common ratio}}{\boxed{\cfrac{1}{4}}}

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3 years ago
In the spinner below, what is the probability of landing on 5?
pantera1 [17]

Answer:

Step-by-step explanation:

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Help! Please? The ratio (by volume) of milk in a certain solution is 3 to 8. If the total volume of the solution is 187 cubic fe
DIA [1.3K]
We know that the total volume of the solution is 187 cubic feet.
187=3x+8x
187=11x
17=x
Now we know that the ratio 3 to 8 is 51 to 136.
Double check, (3*17)+(8*17)=187.
I'm not sure which part of the ratio is water, but knowing this information, you should be able to solve it. I believe it may be this:
The total volume of milk is 51. If the rest of the solution is water, then 187-51=136.
6 0
3 years ago
Divide 3 over 4 ÷ 1 over 8 = ____.
hammer [34]
When you divide two fractions, you actually just flip one over (it's reciprocal) and multiply them.

\frac{3}{4} ÷ \frac{1}{8}   Use the recriprocal of \frac{1}{8} 
<span>\frac{3}{4} ÷ \frac{8}{1}   Multiply (3 x 8) and (4 x 1)
</span>
\frac{24}{4}       Divide

6


<span>\frac{3}{4} ÷ \frac{1}{8} = 6</span>
8 0
3 years ago
F(x) = 2x^2-x-1<br> if f(x) = -1, what is x? What point(s) are on the graph<br> of f ?
Elina [12.6K]

Answer:

x = 0, x = 0.5 or 1/2 The points on the graph are ( -1/2 or -0.5,0 ) and ( 1,0 )

Step-by-step explanation:

2x^2-x-1 = -1

2x^2-x = 0

x(2x-1) = 0

x=0

x=0.5 or 1/2

8 0
3 years ago
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