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matrenka [14]
3 years ago
9

Students voted on a school trip. 56 voted for the museum, 86 for the nature center, 172 for the state capital, and 116 for other

venues.
A circle graph titled School trip location. 40 percent is a, 20 percent is b, 13 percent is c, 27 percent is d.

The circle graph shows the data from the table, but the labels are missing.

Choose the correct labels.

a =

b =

c =

d =
Mathematics
1 answer:
OLga [1]3 years ago
3 0

Answer:

a = state capital

b = nature center

c =  museum

d = other

Step-by-step explanation:

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The atmospheric pressure P on a balloon or in aircraft decreases with increasing height . This pressure measured in Millimeters
Vesnalui [34]

Answer:

(A)   5.47 km

(B)   1.38 km

Step-by-step explanation:

The relationship between Pressure (mmHg) and Height (km) is given by the equation below:

p =760 e⁻ 0.145h----------------------------------------------------- (1)

(a) The height of the aircraft can be calculated by making 'h' the subject of equation (1)

In (p/760) = -0.145 h

h = -In (p/760) /0.145

h= In (760/p)/ 0.145------------------------------------------------- (2)

For the aircraft, p =344 mmHg; substituting into (2)

h = In (760/344)/0.145

   = 0.7926/0.145

   = 5.4662 km

   ≈ 5.47 km

(b) p= 622 mmHg at the mountain top. Substituting into equation  (2) we have:

h = In (760/622)/0.145

  = 0.2003 / 0.145

  =  1.3813 km

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4 0
3 years ago
12. What percent of 60 is 12? Show your work.
lora16 [44]
12 is 20% of 60 because 12/60 = 0.2.
6 0
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How to solve -40=30m-16?
Gennadij [26K]
What I would do for this problem, is move all the terms that don't contain m to the right side, and then solve.
m = 4/5.
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How do i figure out of this opens up or down?
KATRIN_1 [288]
It opens up 
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x intercepts is -1,0,1,2,3,
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3 0
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3.14=7x-2y
eimsori [14]

3.14=7x-2y

move 7x to the other side

sign changes from +7x to -7x

3.14-7x=7x-7x-2y

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3.14/-2-7x/-2=-2y/-2

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Answer:

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