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hichkok12 [17]
3 years ago
11

I have 100 msrble the ratio of redto blue is 8:4 how many blue marbles​

Mathematics
1 answer:
azamat3 years ago
7 0

Answer:

This question is not possible

Step-by-step explanation:

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Which of the following relationships represents a function?
belka [17]

Answer: c

Step-by-step explanation:

4 0
3 years ago
Determine the values of the constants b and c so that the function given below is differentiable. f(x)={2xbx2+cxx≤1x>1
Lera25 [3.4K]
Assuming the function is

f(x)=\begin{cases}2x&\text{for }x\le1\\bx^2+cx&\text{for }x>1\end{cases}

For f(x) to be differentiable, it necessarily has to be continuous. For this condition to be met, we need

\displaystyle\lim_{x\to1^-}f(x)=\lim_{x\to1^+}f(x)=f(1)
\iff\displaystyle\lim_{x\to1}2x=\lim_{x\to1}(bx^2+cx)
\iff2=b+c

For the derivative to exist, the one-sided limits of the derivative must also exist and be equal. We have

f'(x)=\begin{cases}2&\text{for }x1\end{cases}

\displaystyle\lim_{x\to1^-}2=\lim_{x\to1^+}(2bx+c)
\iff2=2b+c

Now we solve for b and c:

\begin{cases}b+c=2\\2b+c=2\end{cases}\implies b=0,c=2
5 0
4 years ago
Do the ratios 42/56 and 56/64 form a proportion?<br> if they do explain your answer
Volgvan
Lets check...

42/56 = 56/64
cross multiply
(56)(56) = (42)(64)
3136 = 2688...(incorrect)...these are not proportional

proportions are nothing but equivalent fractions
42/56 = 3/4
56/64 = 7/8
as u can see, they are not equivalent fractions...so they are not proportional
4 0
3 years ago
Is my answer right? if not break the hard news and give me the right one​
Evgen [1.6K]

Answer:

Pretty sure you are correct.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Courtney has 27 chocolate chip cookies and 36 oatmeal raisin cookies. She needs to arrange them on trays. She doesn’t want to co
Anika [276]

Answer:eat some oatmeal to make the same amount of cookies so you can put some cookies one one tray and some on another

Step-by-step explanation:

4 0
3 years ago
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