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Mathematics

1 answer:

olga55 [171]3 years ago

8 0

Answer:

Cerroct answer= 6.25 years

Please mark me as the brainliest and thanks

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The Roy's safety-first ratio is actually a standard normal variable that measures the distance to the right of the mean.A. TrueB

Gwar [14]

Answer:

false................

8 0

3 years ago

Solve with solution...no spam answers pls

Agata [3.3K]

Let's analyze Hannah's work, step-by-step, to see if she made any mistakes.

In Step 1, Hannah wrote $\dfrac{d}{dx} (-3+8x)$ as the sum of two separate derivatives $\dfrac{d}{dx}(-3)+ \dfrac{d}{dx} (8x)$ using the sum rule.

This step is perfectly fine.

In Step 2, $\dfrac{d}{dx}(8x)$ was kept as it is, and $\dfrac{d}{dx}(-3)$ was rewritten as $0$ using the constant rule.Indeed, according to the constant rule, the derivative of a constant number is equal to zero.

This step is perfectly fine.

In Step 3, $\dfrac{d}{dx} (8x)$ was rewritten as $\dfrac{d}{dx}(8) \dfrac{d}{dx}(x)$ supposedly using the constant multiple rule.

The problem is that according to the constant multiple rule, $\dfrac{d}{dx}(8x)
$ should be rewritten as $8 \dfrac{d}{dx}(x)$ and not as $\dfrac{d}{dx}(8)\dfrac{d}{dx}(x)$ .

Therefore, Hannah made a mistake in this step.

6 0

4 years ago

Read 2 more answers

Add parentheses to make true 36 / 9 - 3 = 6

AlekseyPX

36/ (9 - 3) = 6

Cause:

9 - 3 = 6

Then:

36/6 simplified equals 6

So, your answer is 36/(9 - 3) = 6

Hope it helps! Good luck friend! :3