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3 years ago

The price of a pair of sunglasses was reduced from $55 to $33. By what percentage was the price of the sunglasses reduced?

Mathematics

1 answer:

Karolina [17]3 years ago

7 0

22% because the doubt know

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Please help show work too please thank you

Black_prince [1.1K]

(3x-9) +(x+19)+x=180
5x+10=180
-10=-10
5x=170
5 = 5
x=34

2x+(2x+10)+x=180
5x+10=180
-10=-10
5x=170
5 = 5
x=34

yes they are similar

6 0

3 years ago

2. Point B is located at (-4,5). The midpoint of line segment BD is point c(-1,0). What are the coordinates

andreev551 [17]

Answer:D is 0,-5

Step-by-step explanation:

8 0

3 years ago

a) A group of 50 people are going to run a race. The top three runners earn gold, silver, and bronze medals. b) Creating a nine

rjkz [21]

a) n (No. of peoples) = 50

r (No. of prizes) = 3

p(n,r) = p (50,3)

$\begin{gathered} P(n,r)=\frac{n!}{(n-r)!} \\ P(50,3)=\frac{50!}{(50-3)!} \\ =117600 \end{gathered}$

b) n(No. of players)=14

r (No. of players for Batting)=9

$\begin{gathered} P(14,9)=\frac{14!}{(14-9)!} \\ =726485760 \end{gathered}$

c)n(Total applicants)=30

r(tester positions)=4

$\begin{gathered} P(30,4)=\frac{30!}{(30-4)!} \\ \text{ =}\frac{30!}{26!} \\ \text{ =657720} \end{gathered}$

7 0

1 year ago

An amusement park ride has cars that move around a circular track at the rate of 16 revolutions in 20 seconds. To the nearest hu

astraxan [27]

Answer:

$5.03\frac{rad}{sec}$

Step-by-step explanation:

To find the angular velocity divide the revolutions by the time

$\frac{16}{20}=0.8\frac{rev}{sec}$

Remember that

$1\ rev=2\pi \ rad$

Convert rev/sec to rad/sec

$0.8\frac{rev}{sec}=0.8*(2\pi)=1.6 \pi\frac{rad}{sec}$

assume $\pi=3.1416$

$1.6(3.1416)=5.03\frac{rad}{sec}$

6 0

4 years ago

Write an expression to m + m + m + m that is the sum of two terms

jek_recluse [69]

Answer: 2m + 2m

Step-by-step explanation: m + m is 2m and the same for the other two m's which is why m + m + m + m is 2m + 2m

3 0

3 years ago

Read 2 more answers