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3 years ago

Help asap questions 7-13!!!

Mathematics

1 answer:

guapka [62]3 years ago

8 0

Answer:

Step-by-step explanation:

Use your fingers 13-7=6

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What is the theoretical probability that the dial will land on the number 5? Enter your answer in all forms

Sedbober [7]

Answer:

1/3

Step-by-step explanation:

There are <u>four</u> 5's on the dial out of 12 possible stops

4/12 = 1/3 theoretical

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2 years ago

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Which are not the dimensions

Paul [167]

It would be B. 5cm 12cm and 13cm

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2 years ago

A store finds that its sales revenue changes at a rate given by S'(t) = −30t2 + 420t dollars per day where t is the number of da

allochka39001 [22]

Answer:

Step-by-step explanation:

Give the rate of change of sales revenue of a store modeled by the equation $S'(t)= -30t^{2} + 420t$ . The Total sales revenue function S(t) can be gotten by integrating the function given as shown;

$\int\limits {S'(t)} \, dt = \int\limits ({-30t^{2}+420t }) \, dt \\S(t) = \frac{-30t^{3} }{3}+\frac{420t^{2} }{2}\\ S(t)= -10t^{3} +210t^{2} \\$

a) The total sales for the first week after the campaign ends (t = 0 to t = 7) is expressed as shown;

$Given\ S(t) = -10t^{3} + 210t^{2}$

$S(0) = -10(0)^{3} + 210(0)^{2}\\S(0) = 0\\S(7) = -10(7)^{3} + 210(7)^{2}\\S(7) = -3430+10,290\\S(7) = 6,860$

Total sales = S(7) - S(0)

= 6,860 - 0

Total sales for the first week = $6,860

b) The total sales for the secondweek after the campaign ends (t = 7 to t = 14) is expressed as shown;

Total sales for the second week = S(14)-S(7)

Given S(7) = 6,860

To get S(14);

$S(14) = -10(14)^{3} + 210(14)^{2}\\S(14) = -27,440+41,160\\S(14) = 13,720$

The total sales for the second week after campaign ends = 13,720 - 6,860

= $6,860

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3 years ago

Matrix, help.

attashe74 [19]

Answer:

i knew it but i forgot

Step-by-step explanation:

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The compound inequality 8.00 ≤ x < 9.50 represents all values, x, for which college students are paid hourly as teacher assis

wlad13 [49]

Answer:

The 3rd answer down

Step-by-step explanation:

If I broke apart the initial answer, I would see that x is equal to or greater than 8 and x is less than 9.5

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2 years ago