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Blababa [14]
3 years ago
8

SOS HELPPPP

Mathematics
1 answer:
Hunter-Best [27]3 years ago
5 0

Answer:

18

Step-by-step explanation:

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What is the mean of the values in the stem-and-leaf plot? Enter your answer in the box. also guess what flag that is
Vesnalui [34]
Mean is the average....so you add all the numbers and then divide by how many numbers there were.

12 + 13 + 15 + 28 + 28 +30 + 42 = 168

since there are 7 numbers, you divide 168 by 7.

168/7 = 24

Therefore, 24 is the mean.

The flag is Japan I believe.

Hope this helps!
3 0
3 years ago
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If an object is shot with an initial velocity of 160 ft/sec, what is the smallest initial angle will you need to obtain a horizo
MrRissso [65]
To solve the question we shall use the formula for the range given by:
Horizontal range, R=[v²sin 2θ]/g
plugging in our values we get:
500=[160²×sin 2θ]/10
5000=160²×sin 2θ
0.1953=sin 2θ
thus:
arcsin 0.1953=2θ
11.263=2θ
hence:
θ=5.6315°~5.63
3 0
3 years ago
O graph the equation 2x + 5y = 10, Zeplyn draws a line through the points (5, 0) and (0, 2). What is the slope of the line repre
JulijaS [17]
2x + 5y = 10
Change to y = mx + b
subtract 2x from both sides
5y = -2x + 10
divide both sides by 5
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6 0
3 years ago
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What is the upper quartile of the data set shown?
IrinaK [193]

Answer:

12,13,15,16 i believe

Step-by-step explanation:

6 0
3 years ago
Answer the photo please
alexandr402 [8]

Answer:

66.666666666667% error

Step-by-step explanation:

Percent Error = Vobserved - Vtrue / Vtrue

=  9 - 27 / 27

=  -18/27

= -66.666666666667%

= 66.666666666667% error

I hope this helps!

7 0
3 years ago
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