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Elodia [21]
3 years ago
6

Another easy one

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
4 0
The limit is equivalent to the value of the derivative of \cos x at x=\dfrac\pi2. (See definition of derivative)

(\cos x)'=-\sin x\implies (\cos x)'\bigg|_{x=\pi/2}=-\sin\dfrac\pi2=-1
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You are a volcanologist studying a recently active volcano. You need to get as close to the volcano as possible, but the tempera
Leviafan [203]

Answer:

yo! I dont know the **** answer

Step-by-step explanation:

7 0
3 years ago
Nina Milling assembles transistor radios. she is paid $0.54 for each radio assembled during a regular work week, $0.62 for each
Inessa [10]

Answer:

I would need to know the number of radios she made each day.

Step-by-step explanation:

lets say she assembled 2 radios a day, which means we would do 0.54 x 2 (that would be 1.08) and then times it by 6 ***not incuding sunday***

you would get $6.48

then for sunday we would do 0.62 x 2 (that would be 1.24) .

now we add 6.48 and 1.24 to get $7.72 a week.

6 0
3 years ago
50 POINTS <br><br> explain the meaning of the following points <br> (1,2)<br> (9,18)
k0ka [10]

Answer:

(1,2)      1 represents how many days and 2 represents how many mm tall

(9.18)    9 represents how many days and 18 represents how many mm tall

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
QUESTION 9 1 POINT Find the equation of a line that contains the points (-2,-5) and (3, -1). Write the equation in slope-interce
svet-max [94.6K]

Answer:

If only slope:

y = \frac{4}{5}x + b

If slope and y-intercept:

y = \frac{4}{5}x - 6.6\\or\\y = \frac{4}{5}x - 3.4

*both are correct answers see steps below*

Step-by-step explanation:

The equation to find the slope is \frac{y_{2} - y_{1}}{x_{2} - x_{1}}.

The equation for slope-intercept form is y = mx + b.

First, find the slope between two points.

\frac{-1 - (-5)}{3 - (-2)} = \frac{4}{5}

Keep the difference as a fraction if it can't be divided.

Next, plug in the slope value into the equation.

y = \frac{4}{5}x + b

If you also need to find what b is, pick a point; (-2, -5) OR (3, -1). Then fill in the equation with it's x and y values. (I'll do both points to show two different results).

Point (-2, -5):

(-5) = \frac{4}{5}(-2) + b

(-5) = (-1.6) + b

Add 1.6 on both sides to isolate the b. (since -1.6 is a negative, we need to cancel it out with its opposite)

b = -6.6

Point (3, -1):

(-1) = \frac{4}{5}(3) + b

(-1) = (2.4) + b

Subtract 2.4 on both sides to isolate the b. (since 2.4 is a positive, we need to cancel it out with its opposite)

b = -3.4

It does mean that both slopes have different y-intercepts but it overly depends on the point. These steps will ensure you to the correct answer.

3 0
2 years ago
The probability of rain on any given day is 2/3 . What is the probability of at most one day of rain during the next three days?
Aleks [24]

Answer:

7/27 ≈ 25.9%

Step-by-step explanation:

"At most one" means either exactly 0 or exactly 1.

P(at most 1) = P(0) + P(1)

Using binomial probability:

P(r) = nCr pʳ qⁿ⁻ʳ

P(0) = ₃C₀ (⅔)⁰ (⅓)³⁻⁰ = 1/27

P(1) = ₃C₁ (⅔)¹ (⅓)³⁻¹ = 2/9

So the probability that it rains on at most one day is:

P(at most 1) = 1/27 + 2/9

P(at most 1) = 7/27

P(at most 1) ≈ 0.259

3 0
3 years ago
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