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Vikentia [17]
2 years ago
7

For which of the following would it be appropriate to use positive integers for the domain of the function? Select all that appl

y. The function c(p) represents the cost for p people to attend the movies. The function m(t) represents the miles driven over t hours. The function t(m) represents the average high temperature for a given number of months. The function p(w) represents the profit of a farmer who sells whole watermelons. The function h(n) represents the number of person-hours it takes to assemble n engines in a factory.
Mathematics
2 answers:
atroni [7]2 years ago
7 0

Answer: a, b, e

Step-by-step explanation: its correct

gayaneshka [121]2 years ago
3 0
I think its A,B and E

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6 x 10^5 over 6 x 10^4 equals ??
Phoenix [80]

Answer:

its 10 just take away the zeros until u have only one of them trust me its right

Step-by-step explanation:

its 10

5 0
3 years ago
Barbara made a bad investment. Rather than earning interest, her money is decreasing in value by 11% each week! After just one w
pochemuha

Answer: She started with $160.

It will take 6 weeks before she has less than half of what she originally invested.

Step-by-step explanation:

If her money is decreasing in value by 11% each week, it means that the rate at which it is decreasing is exponential.

We would apply the formula for exponential decay which is expressed as

A = P(1 - r)^t

Where

A represents the value of the investment after t weeks.

t represents the number of weeks.

P represents the initial value of the investment.

r represents rate of depreciation.

From the information given,

A = $142.40

r = 11% = 11/100 = 0.11

t = 1

Therefore

142.40 = P(1 - 0.11)^1

142.40 = P(0.89)

P = 142.4/0.89

P = 160

For her to have half of what she invested originally, then

80 = 160(0.89)^t

80/160 = (0.89)^t

0.5 = (0.89)^t

Taking log of both sides to base 10

Log 0.5 = log0.89^t = tlog0.89

- 0.3010 = - 0.051t

t = - 0.3010/- 0.051

t = 5.9

Approximately 6 weeks

5 0
3 years ago
Does anyone know how to get more points in khan academy mastery challenge??
vaieri [72.5K]

Answer:

I would say getting all the them right.

Step-by-step explanation:

There isn't really a way to get more points unless you're getting the questions all correct- So I would say just grind those points!

6 0
2 years ago
Read 2 more answers
12.Divide. (x^2+2x+1/x^2-8x+16)/(x+1/x^2-16
lina2011 [118]
For this case we have the following expression:
 (x ^ 2 + 2x + 1 / x ^ 2-8x + 16) / (x + 1 / x ^ 2-16)
 Rewriting we have:
 (((x + 1) (x + 1)) / ((x-4) (x-4))) / (x + 1 / ((x + 4) (x-4)))
 Then, we cancel similar terms:
 ((x + 1) / (x-4)) / (1 / (x + 4))
 Rewriting:
 ((x + 1) (x + 4)) / (x-4)
 Answer:
 
((x + 1) (x + 4)) / (x-4)
3 0
3 years ago
Given that the chord ef is a diameter of circle d which of the following names major arc
zubka84 [21]
1) Diameter = Line MN, Chord = Line LN 
<span>2) B --- GFC </span>
<span>3) C --- GCE </span>
4 0
3 years ago
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