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2 years ago

What is equivalent to 3/8 that has a numerator of 4

Mathematics

2 answers:

Semmy [17]2 years ago

6 0

Answer:

I would say None.

Step-by-step explanation:

The only option would be 1/4. But, you divide 3 by 2. without getting a negative number.

So therefore, your answer is None.

ruslelena [56]2 years ago

4 0

There is none have nice day

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S_A_V [24]

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3 years ago

To two decimal places, find the value of k that will make the function f(x) continuous everywhere. f of x equals the quantity 3x

Fiesta28 [93]

Given function is

$f(x)=\left\{\begin{matrix}3x+k & x\leq -4 \\ kx^2-5 & x> -4\end{matrix}\right.$

now we need to find the value of k such that function f(x) continuous everywhere.

We know that any function f(x) is continuous at point x=a if left hand limit and right hand limits at the point x=a are equal.

So we just need to find both left and right hand limits then set equal to each other to find the value of k

To find the left hand limit (LHD) we plug x=-4 into 3x+k

so LHD= 3(-4)+k

To find the Right hand limit (RHD) we plug x=-4 into

$kx^2-5$

so RHD= $k(-4)^2-5$

Now set both equal

$k(-4)^2-5=3(-4)+k$

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$16k-k=-12+5$

$15k=-7$

$k=-\frac{7}{15}$

k=-0.47

Hence final answer is -0.47.

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3 years ago

Walter is mixing cement for his new patio . He knows he need to use a water-to-cement ratio of 20 to 30 . What percent of his to

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and the water would be 20/50=0.4 or 40% of the total mixture.

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Answer:

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