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scoundrel [369]
3 years ago
13

College bookstore charge $60 for a yearly membership. Books will then only cost $7.60 each, tax included. Right in equation to r

epresent how much money, m, does a student spend after buying the books and a yearly membership. Then use this equation to find out how many books you could buy if you had $100

Mathematics
1 answer:
Yuri [45]3 years ago
4 0
Equation - 7.60b+60=m


7.60b+60=100
You’d be able to buy 5 books
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The label on the car's antifreeze container claims to protect the car between −40°C and 125°C. To convert Celsius temperature t
noname [10]
The key word is "between."  Example: a number x is between 5 and 17.  Translation:  5 < x < 17.

You want the Celsius temperature to be between -40 and 125.

-40\ \textless \ \frac{5}{9}(F-32)\ \textless \ 125

The second answer choice is correct.
The first answer choice is in the wrong order; it would mean that -40 > 125. Nope!
The third answer choice is "one-sided"; it says the Celsius temperature is larger than -40 but fails to mention the upper limit of 125.
The fourth answer choice is "one-sided," too. It says the Celsius temperature is less than 125 but doesn't mention the lower limit of -40.

I hope this helps a lot!
5 0
3 years ago
Read 2 more answers
A 12 pack of cola costs $5.46. How much does one can of cola cost? In other words, find the unit rate of one can of cola.
Travka [436]

Answer:

.45

Step-by-step explanation:

5.46 is a 12 pack

5.46/12 = .455

5 0
4 years ago
Read 2 more answers
Brianna evaluated the expressions 42+4 (6-2). Which number shows the correct solution.
TEA [102]

Answer:

58

Step-by-step explanation:

42+4(6-2) =

42+4(4) =

42+16 = <u>58</u>

3 0
3 years ago
Read 2 more answers
Given mn, find the value of x.<br> 158
astra-53 [7]

Answer:

x=22

Step-by-step explanation:

8 0
3 years ago
One number is 7 more than another. The difference between their squares is 161. What are the numbers?
sergeinik [125]
X is 7 more than y
x>y then
difference betwen squares is 161 so


x=7+y
and
x²-y²=161

so
x=7+y
sub that for x in other equation

(7+y)²-y²=161
y²+14y+49-y²=161
14y+49=161
minus 49 both sides
14y=112
divide both sides by 14
y=8

sub back

x=7+y
x=7+8
x=15

the numbers are 15 and 8
3 0
3 years ago
Read 2 more answers
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