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ale4655 [162]
3 years ago
14

Melanie wants to buy a used guitar. She gets quotes from five different stores: $125, $135, $110, $120, $125 What is the mean pr

ice for the guitars?
Mathematics
2 answers:
faust18 [17]3 years ago
7 0

Answer:

$123

Step-by-step explanation:

mean price = average

to find average, you add everything and then divide by how many numbers you added (in this case, 5)

1. add everything

125 + 135 + 110 + 120 + 125 = $615

2. now divide by 5

therefore the mean or average price is $123. hope this helped!

DENIUS [597]3 years ago
4 0
You can add up all the values which will give you 615. You then divide by 5 and get $123 mean price
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gregori [183]

Answer:

Therefore the ball strikes the ground  5.98 s after kick.          

Step-by-step explanation:

Given that , a ball is kicked in the air. The height of the ball can be calculated using the equation h(t)=-16t^2+64t+190    where h is height in feet and t is time in second.

When the ball touches the ground then the height will be zero.

i.e h(t)=0

Therefore

-16t^2+64t+190=0

\Rightarrow -2(8t^2-32t-95)=0

Since -2≠0 then (8t^2-32t-95)=0

(8t^2-32t-95)=0    

[The solution of a quadratic equation ax²+bx+c=0 is

  x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}  here a=8, b=-32 and c=-95]                    

\Rightarrow t =\frac{-(-32)\pm\sqrt{(-32)^2-[4\times8\times(-95)]} }{2\times8}        

\Rightarrow t =\frac{32\pm\sqrt{4064} }{16}    

Therefore   t=  5.98 or -1.98

since time can not be negative So , t=5.98 s

Therefore the ball strikes the ground  5.98 s after kick.          

5 0
3 years ago
Answers are <br> (-1,3) <br> (0,2)<br> (1,2)<br> (2,-1)<br> (2,2)
sladkih [1.3K]
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7 0
3 years ago
Need help asap......
Korvikt [17]

Answer:

32

Step-by-step explanation:

(2x+20)+3x=180\\5x+20=180\\5x=180-20=160\\x=160/5=32

6 0
2 years ago
Nora and Eli are making homemade spring
yawa3891 [41]

Answer:

eli

Step-by-step explanation:

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3 years ago
Please help me and explain thank you so much I appreciate it
andreev551 [17]

Answer:

He gets 32, $10 bills.

Step-by-step explanation:

He puts in $630.

3 times $50 equals $150.

8 times $20 equals $160.

$150 plus $160 equals $310.

$630 minus $310 equals $320.

$320 divided by 10 equals 32.

So he gets 32, $10 bills.

8 0
2 years ago
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