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zheka24 [161]
3 years ago
7

What would John pay for a CD player that sells for $550is discounted by 15%?​

Mathematics
1 answer:
Natalka [10]3 years ago
6 0

Answer:

$467.5

Step-by-step explanation:

15%=15/100=0.15

0.15*the original price=82.5

john will pay $550-$82.5=$467.5

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A tennis ball machine can launch 60 tennis balls in 12 minutes. At this rate,how many tennis balls can it launch in 2 hours?
Lapatulllka [165]
12*5=60
12*10=120
60*10=600
The answer is 600
7 0
3 years ago
A border collie is on sale at a 20% discount. If it normally sells for $475.00, what is the sale price?
tatyana61 [14]
What you have to do is multiply 475.00 by .20. Then from there yousubtract 475-(475*.20). From there you will get the answer.
8 0
3 years ago
You are trying to cast four roles for a play. 12 actors try out, including sir Ian McKellen and Patrick Stewart. the director te
Komok [63]

Answer:

6,840 casts

Step-by-step explanation:

Assuming that every actor can play each of the 4 roles and that each role is different, the number of possible casts including at least one of sir Ian and Patrick is given by the total number of possible casts (permutation of 4 out of 12 actors), minus the number of casts without sir Ian and Patrick (permutation of 4 out of 10 actors):

n=\frac{12!}{(12-4!)} -\frac{10!}{(10-4)!}\\n=(12*11*10*9)-(10*9*8*7)\\n=6,840\ casts

There are 6,840 possible casts.

8 0
3 years ago
3 lines are shown. A line with points P, R, N intersects a line with points M, R, O at point R. A line extends from point R to p
attashe74 [19]

Answer:

(C)Angle MRN and Angle NRO

Step-by-step explanation:

A diagram of the given problem is drawn and attached below.

From the diagram:

Option A: Angle PRL and Angle LRM = Angle PRM which is not 180 degrees.

Option B: Angle ORP and Angle MRN are vertically opposite angles and are therefore not linear pairs.

Option C: Angle MRN and Angle NRO are on the line ORM and therefore forms a linear pair.

<u>Therefore, the correct option is C.</u>

5 0
3 years ago
Read 2 more answers
Solve Systems of Equations Algebracallyy=x+2 y=-3x
Sphinxa [80]

y = x + 2

y = -3x

Do y = -3x in y = x + 2

y = x + 2

-3x = x + 2

-3x - x = 2

-4x = 2

x = -2/4

x = -1/2

Now put x = -1/2 in y = -3x

y = -3x

y = -3.(-1/2)

y = 3/2

5 0
3 years ago
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