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hammer [34]
2 years ago
15

Help with me on these plz!!!! :)

Mathematics
2 answers:
Rasek [7]2 years ago
5 0

Answer:

3) d= 1.9

4) v= 1.4

5) b= 6

Step-by-step explanation:

On 3, you divide the 5 to have the D be alone

same thing with 4

On 5, you add the -3 to the other side to keep numbers together, and the -3 becomes positive

Inessa05 [86]2 years ago
3 0

Answer:

_ (repeating)

3. d=3.16

4. v=1.4

5. b=3

Step-by-step explanation:

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Square:
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A = LW = 18 ft * 8 ft = 144 ft^2

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3 years ago
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An economist for a sporting goods company estimates the revenue and cost functions for the production of a new snowboard. These
Vladimir79 [104]

Answer:

Between 1000 and 5000 snowboards will make the function AP(x) >0.

Step-by-step explanation:

Since x can only take possitive values, we have that AP(x) = P(x)/x > 0 if and only if P(x) > 0.

In order to find when P(x) > 0, we find the values from where it is 0 and then we use the Bolzano Theorem.

P(x) = R(x) - C(x) = -x²+10x - (4x+5) = -x²+6x - 5. the roots of P can be found using the quadratic formula:

r_1,r_2 = \frac{-6 ^+_- \sqrt{6^2-4*(-1)*(-5)} }{2*(-1)} = \frac{-6^+_-\sqrt{16}}{-2} = \{1, 5\}

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5 0
2 years ago
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Ratling [72]

Answer:

3/7

Step-by-step explanation:

The probability of at least is 1 - the probability of at most

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The given is:

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3. You will have to wait at least 20 minutes for the bus

∵ The bus arrives at a bus stop every 35 minutes

∵ You arrive at the bus stop at a random time

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∴ P(at most 20 minutes) =

∵ P(at least 20 minutes) = 1 - P(at most 20 minutes)

∴ P(at least 20 minutes) = 1 -

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- Simplify the fraction by divide up and down by 5 and you will get your answer!

please mark me brainliest!

5 0
3 years ago
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