Someone please help i need an explanation and answer fast

1 answer:

6 0

It will take about 167.87 minutes or 2.8 hours.
I divided 250 by 60 to find out that it ascends 4.17 ft every minute.
Then I divided 700 by 4.17 to find out that it will take 167.87 minutes.

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Crystal is 12 years old and Alexa is 6 years old. If crystal runs 100 yards how far does Alexa run? How far do they run altogeth

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3 years ago

Aisha can use the expression 120 divided by 10 to determine the solution to which problem?

pentagon [3]

Answer:

What is 10% of 120?

Step-by-step explanation:

120 / 10 = 12

10% of 120 = 12

We have a match.

Let's do the others, just to be sure it's the only one.

10% of 12 = 1.2

25% of 120 = 30

25% of 120 = 3

8 0

3 years ago

Read 2 more answers

As part of a screening process, computer chips must be operated in an oven at 145 °C. Ten minutes after starting, the temperatur

Novosadov [1.4K]

Answer:

Step-by-step explanation:

I solved this using initial conditions and calculus, so I hope that's what you are doing in math. It's actually NOT calculus, just a concept that is taught in calculus.

The initial condition formula we need is

$y=Ce^{kt}$

Filling in our formula with the 2 conditions we are given:

$65=Ce^{10k}$ and $85=Ce^{15k}$

With those 2 equations, we have 2 unknowns, the C (initial value) and the k (the constant). We know that the initial value (or starting temp) for both conditions is the same, so we solve for C in one equation, sub it into the other equation and solve for k. If

$65=Ce^{10k}$ then

$\frac{65}{e^{10k}}=C$ which, by exponential rules is the same as