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leonid [27]
2 years ago
12

Matthew bought 4 new compact discs at $16.99 each and a carrying case for $35.89. He paid 2007-03-04-00-00_files/i0250000.jpg% s

ales tax on his purchases. If Matthew paid $112.42 total, determine if he paid the correct amount. a. Matthew paid $0.15 too little for his purchases. b. Matthew paid $0.16 too much for his purchases. c. Matthew paid $0.05 too much for his purchases. d. Matthew paid the correct amount for his purchases.
Mathematics
2 answers:
Leokris [45]2 years ago
5 0
I think the answer is D
timama [110]2 years ago
3 0

the answer is D i took the test

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Determine if this relationship forms a direct variation. Verify your answer.
leva [86]

we know that

A relationship between two variables, x, and y, represent a direct variation if it can be expressed in the form y/x=k or y=kx

so


we have

a) for x=1 y=0.50--------> y/x=0.50/1------> 0.50

b) for x=2 y=1--------> y/x=1/2-------> 0.50

c) for x=3 y=1.50--------> y/x=1.50/3-----> 0.50

d) for x=5 y=2.50--------> y/x=2.50/5----> 0.50

the value of k is equal to 0.50

so

<span>the relationship forms a direct variation. </span>

the equation is

y=0.50*x


Verify

for x=1

y=0.50*(1)------> y=0.50-----> is correct


for x=2

y=0.50*(2)------> y=1.00-----> is correct


for x=3

y=0.50*(3)------> y=1.50-----> is correct


for x=5

y=0.50*(5)------> y=2.50-----> is correct

4 0
3 years ago
Read 2 more answers
What is the area of a right triangle with a base of 25 centimeters and a height of 13 centimeters?
sdas [7]

Answer:

<h3>162.5 cm²</h3><h3>Step-by-step explanation:</h3>

Area of a triangle = (BH)/2

Base= 25

Height=13

(25×13)/2= 162.5 cm²

6 0
3 years ago
How can 563*10 to the 3rd power be scientific notation.(Use the photo above please)
zaharov [31]
563*(10*10*10) that's you scientific notation

6 0
3 years ago
Which equation in slope-intercept form represents a line that is parallel to y=−4x−5 and passes through the point (0,0)?
IrinaK [193]

Answer:

\displaystyle y = -4x

Step-by-step explanation:

0 = 0 ± b

\displaystyle 0 = b \\ \\ y = -4x

* Parallel Lines have SIMILAR <em>RATE OF CHANGES</em> [<em>SLOPES</em>], so −4 remains the way it is.

I am joyous to assist you anytime.

6 0
2 years ago
Kevin has $25. MP3 downloads cost $0.75 each. How many songs can he download and still have $13 left to spend?
matrenka [14]
It would be .75x=25-13
So .75x=12
x=16 because .75×16=12
8 0
3 years ago
Read 2 more answers
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