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2 years ago

At a snack stand,drinks are $1.50. Write an expression that could be used to find the total cost in dollars of d drinks?

Mathematics

1 answer:

Mashcka [7]2 years ago

4 0

1.50d is the right answer since we don't know how many drinks there are

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Marlene rides her bike at a rate of 16 miles per hour. The time in hours that she rides is represented by the variable t, and th

White raven [17]

Let

t--------> the time in hours

d-------> the distance in miles

we know that

$d=16t$

this is a linear equation that represent the scenario

in this equation the independent variable is the time t and the dependent variable is the distance d

The distance's equation in function notation is equal to

$f(t)=16t$

Using a graph tool

see the attached figure

The domain of the function is the interval----------> [0,∞)

$t\geq0$

The range of the function is the interval-------> [0,∞)

$f(t)\geq0$

Statements

a) The independent variable, the input, is the variable d, representing distance

The statement is false

Because the independent variable is the variable t

b) The distance traveled depends on the amount of time Marlene rides her bike

The statement is true

Because the distance's equation in function notation is equal to

$f(t)=16t$

c) The initial value of the scenario is 16 miles per hour

The statement is false

Because $16$ represent the rate or the slope of the linear equation

d) The equation t = d + 16 represents the scenario

The statement is false

Because, the scenario is represented by the function $f(t)=16t$

e) The function f(t) = 16t represents the scenario

The statement is true

8 0

2 years ago

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A mapping diagram showing a relation, using arrows, between input and output for the following ordered pairs: (negative 3, negat

il63 [147K]

Answer:

{x | x = –5, –3, 1, 2, 6}

Step-by-step explanation:

The domain is the list of first-values of the ordered pairs:

{x | x = –5, –3, 1, 2, 6}

7 0

2 years ago

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to make dough Reba needs 2 and 1/2 cups of flour how much flour does she need to make 5 batches of dough

Levart [38]

12 1/2 cups (2 1/2 x 5= 12 1/2)

Please mark me brainliest!

8 0

2 years ago

The value of which of these expressions is closest to e?

pishuonlain [190]

The correct answer for the exercise shown above, is the first option (Option A), which is:

A. (1+1/18)^18

The explanation is shown below:

1- You have that the number e is an irrational number, therefore, its value is aproximated:

e=2.7182

2- You have the following expressions:

(1+1/18)^18=2.6464
(1+1/17)^17=2.6424
(1+1/16)^16=2.6379
(1+1/15)^15=2.6328

Therefore the value of the expression that is closest to e is the Option A.

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2 years ago

Michael threw for 1,654 yards in his first five games. At this rate, how many yards will he have thrown for in fifteen games? ✗

vodka [1.7K]

Answer:

4,962 yards.

Step-by-step explanation:

We are given that,

For the first 5 games, Michael threw 1,654 yards.

Since, we see that, the relationship between the yards and the games are directly proportional.

Then for 15 games,

Michael will have thrown for $\frac{1654}{5}\times 3$ yards i.e. 1654 × 3 = 4,962 yards

Hence, for 15 games, Michael have thrown for 4,962 yards

7 0

2 years ago

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