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2 years ago

sidney went on a bycycle trip.his distance from home is given by f(t)=17t+3 after 4 hours how far from home is he

Mathematics

1 answer:

Alexus [3.1K]2 years ago

8 0

Step-by-step explanation:

f(t)=17(4)+3

=68+3

=71

but if we were to convert hours to seconds

it will be

4x60minx60sec

=14400

17(14400)+3

=244800+3

=244803

244.803KM but the unit was not specified in this question

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The total cost, c, in dollars, of b bottles of water is c = 1. 1b. What is the constant of proportionality? Enter your answer as

jolli1 [7]

The value of the constant of proportionality in the expression c=1.1 b is 1.1.

Given to us

The total cost, c, in dollars, of b bottles of water, is c = 1.1b.

<h3>What is the constant of proportionality? </h3>

The constant of proportionality is plugged into an expression when the proportionality is been removed from the expression.

As the total cost is dependent on the number of bottles that is been purchased, therefore,

$\rm{ Total\ Cost \propto\ Number\ of\ bottles}$

Removing the proportionality, we will get,

$c=kb$

where c is the total cost, b is the number of bottles,

Now compare the two equations,

c = kb

c = 1.1 b

Hence, the value of the constant of proportionality in the expression c=1.1 b is 1.1.

Learn more about Proportionality:

brainly.com/question/5837592

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2 years ago

In a city, 35% of the bus riders with a monthly pass are students. in a random sample of 50 bus riders with monthly passes, 23 a

inessss [21]

Answer:

ρ = 35% or 0.35

ρ with ^ = $\frac{23}{50}=0.46$ or equivalently 46%

Step-by-step explanation:

ρ represents the population proportion of the bus riders, with a monthly pass, who are students.

The population proportion is simply the percentage of the entire population with a particular characteristic. We have been informed that in a city, 35% of the bus riders with a monthly pass are students. This means that 35% of the whole population of bus riders with a monthly pass are students. Therefore, our ρ is simply 35% or 0.35.

ρ with ^ represents the sample proportion of the bus riders, with a monthly pass, who are students. This is a statistic or an estimator as it is normally used to estimate the value of ρ, the population proportion. It is calculated using the formula;

ρ with ^ = $\frac{x}{n}$

where n represents the size of the sample and x the number of individuals in the sample with a certain desired characteristic. We have been informed that;

in a random sample of 50 bus riders with monthly passes, 23 are students.

Using the above formula and the values given we have;

ρ with ^ = $\frac{23}{50}=0.46$ or equivalently 46%

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4 years ago

What is the slope of the line through the points -4,7 and -8,8

marissa [1.9K]

Answer:

Step-by-step explanation:

slope is rise/run or change in y, over change in x

Therefore, slope = (7-8)/ (-4 +8)

= -1/4

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3 years ago

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Naily [24]

Answer:

In mathematics, an algebraic expression is an expression built up from integer constants, variables, and the algebraic operations. For example, 3x² − 2xy + c is an algebraic expression.

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3 years ago

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Ivenika [448]

Answer:

Step-by-step explanation:

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so,

27 - 1

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3 years ago

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