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3 years ago

What is give an example of a unit rate used in a real world situation? Plz I'm literally so confused lol.

Mathematics

2 answers:

nignag [31]3 years ago

8 0

Answer:

Miles per hour. (mph)

Step-by-step explanation:

This can be used in almost everyday, since most people today drive around in cars, and use mph to see how fast they are going per hour.

#teamtrees #WAP (Water And Plant)

pantera1 [17]3 years ago

6 0

Answer:

20 miles per hour

Step-by-step explanation:

An example would be like 50 beats per minute, or 20 miles an hour.

When rates are expressed as a quantity of 1.

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Julio and David were in Target and decided to check out the clearance section. They found pencils and erasers that were on sale

Sati [7]

Answer:

Cost of one pencil: $\$0.07$

Cost of one eraser: $\$0.03$

Step-by-step explanation:

Let be "p" the cost in dollars of one pencil and "e" the cost in dollars of one eraser.

Based on the information given in the exercise, you can set up the following system of equations:

$\left \{ {{4p+3e=0.37} \atop {3p+4e=0.33 }} \right.$

You can use the Elimination Method to solve the system of equations.

Multiply the first equation by -3 ad the second one by 4. Then add the equations and solve for "e":

{ $\left \{ {{-12p-9e=-1.11} \atop {12p+16e=1.32}} \right.\\..........................\\7e=0.21\\\\e=0.03$

Substitute the value of "e" into any original equation and solve for "p":

$4p+3(0.03)=0.37\\\\p=\frac{0.28}{4}\\\\p=0.07$

5 0

3 years ago

Subtract. <br> Express your answer in simplest form<br><br> 3 1/4 - 2 3/4

lord [1]

The answer to this is .5 or 1/2.

3 0

3 years ago

Read 2 more answers

IM BEING TIMED!!! Consider the table showing the given, predicted, and residual values for a data set. Which point would be on t

iVinArrow [24]

Answer:

Residual = Observed Value - Predicted Value

A residual plot is a graph that shows the residual values in the vertical axis and the independent variable or values of x in the horizontal axis. So the coordinates would be (x, corresponding residual of x)

The points in a residual plot of the data based on the table will be:

(1,-0.4)

(2,0,7)

(3,-0.2)

(4,-0.6)

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Carnival M charges an entrance fee of $5.00 and $0.65 per ticket for the rides. Carnival P charges an entrance fee of $10.00 and

Evgesh-ka [11]

The answer to your question is A

6 0

3 years ago

‼️‼️solve by substitution {-r+T=5 , -2r+T=4. all these problems w work shown (along w the other problems i posted) r due in the

Luden [163]

Answer:

#4: (r,t) = (1,6) #5: (x, y) = (- $\frac{1}{2}$ ,4) #6: (x, y) = (3, 5) #7: (p, r) = (10, $\frac{14}{3}$ )

Step-by-step explanation:

#4:

Solve for t.

t = 5 + r

Substitute the given value of t into equation

-2r + 5 + r = 4

Solve for r

r = 1

substitute the given value of r into equation

t = 5 + 1

solve for t

t = 6

solution is ordered pair (r, t) = (1,6)

#5:

Solve for y.

y = 2 - 4x

Substitute the given value of y into equation

2x - (2- 4x) = -5

Solve for x

x = - $\frac{1}{2}$

substitute the given value of x into equation

y = 2 - 4x (- $\frac{1}{2}$ )

solve for y

y = 4

solution is ordered pair (x, y) = (- $\frac{1}{2}$ ,4)

#6:

Solve for x

x = -12 + 3y

Substitute the given value of x into equation

2 (-12 + 3y) + y = 11

Solve for y

y = 5

substitute the given value of y into equation

x = -12 + 3 x 5

solve for x

x = 3

solution is ordered pair (x, y) = (3, 5)

Solve for r

r = $\frac{14}{3}$

Substitute the given value of into equation

-2p + 3x $\frac{14}{3}$ = -6

Solve for p

p = 10

solution is ordered pair (p, r) = (10, $\frac{14}{3}$ )

5 0

3 years ago