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Lorico [155]
3 years ago
11

Problems that equal 3r12

Mathematics
2 answers:
nevsk [136]3 years ago
8 0
What does r mean. if r means multiply blank than 3*4 = 12
Luden [163]3 years ago
3 0
It means 3 times 4 which equals 12
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joe took $12 to the arcade each game costs $.50 cents , if joe plays 5 games how much money does he still have?
Black_prince [1.1K]

Answer:

$9.50

Step-by-step explanation:

To figure out how much he spent, you have to multiply the number of games by the cost of each game. 5 games x 0.50 for each game = $2.50 spent. Now to find how much he still has, you have to subtract $2.50 from the $12 that he already has and you get $9.50

4 0
3 years ago
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Question 1) In a random sample of 10 on-line statistics students, information was collected about their minutes studied and thei
AVprozaik [17]
First, arrange the data in a table for easy reference:

x                  y
20               50
30               45
45               55
60               70
80               80
90               90
45               80
120             100
90                95
70                85

Then, use the calculator to find the relationship of the two variables, x (minutes studied) and y (test scores)

The equation is 

y = 0.56686x + 38.15

3 0
3 years ago
You purchase n cartons of tennis balls at $25 per carton from an online retailer that charges 8% tax and $17 in shipping costs.
viva [34]

Answer:

The expression is \$(27n+17)

Step-by-step explanation:

The question is Simplify the expression and identify the units

we have

25n+0.08(25n)+17

Find the product between 0.08 and 25n

0.08(25n)=2

substitute

25n+2n+17

Groups terms that contain the same variable

(25n+2n)+17

Combine like terms

27n+17

The expression above represent the total cost

therefore

the unit is in dollars ($)

4 0
2 years ago
Help plz<br> I will mark brainliest
bearhunter [10]

Answer:

Angle 2= 127

Angle 3= 23

The measure of angle 4 is 90° because the 90° is marked

4 0
2 years ago
The value of x that satisfies the equation 3x − 2 + 7x − 45= 23 is what
Ket [755]

Answer:x=7

Step-by-step explanation:

10x-47=23 ,10x=23+47,10x=70 ,x=7

3 0
2 years ago
Read 2 more answers
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