While exercising julie found that her heart was beating 12 times every 5 seconds.how many times was it beating per minute

Answers

Answer 1

Answer: Julie needs to stop counting her heart rate and start actually exercising. Her heart is currently beating at 144 times a minute.

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The goal of a market economy is to

Answers

promote free economic choices.

Answer:

D. Promote free economic choices

Step-by-step explanation:

EDG

A survey of 80 students found that 24 students both play in the band and play a sport. But 22 students are not in band and do not play a sport. There are 48 students in the band. If being in band is the row variable and playing sports is the column variable, fill in the labels in the table. A 4-column table with 3 rows. Column 1 has entries in band, not in band, total. Column 2 is labeled play a sport with entries a, d, g. Column 3 is labeled do not play a sport with entries b, e, h. Column 4 is labeled total with entries c, f, i.

Which of the following correctly represents the given data in the problem?

A: a = 24, g = 48, h = 22, i = 80
B: a = 22, c = 80, d = 24, i = 48
C: a = 24, b = 48, c = 22, i = 48
D: a = 24, c = 48, e = 22, i = 80

Answers

Answer:

It's D

Step-by-step explanation:

I took the lesson E2020

Answer:

b = 24

d = 10

f = 32

g = 34

h = 46

Step-by-step explanation:

the angle of depression from a plane to the airport is 34°. the pilot reports that the plane's altitude is 3200 feet . find the horizontal distance between the plane and the airport to the nearest foot

Answers

$look\ at\ the\ picture\n\ncot34^o=(x)/(3200)\n\ncot34^o\approx1.4826\n\n(x)/(3200)=1.4826\ \ \ \ /\cdot3200\n\nx=4744.32\ (ft.)\approx4744\ (ft.)\leftarrow answer$

Given the functions f(x) = x2 + 6x − 1, g(x) = –x2 + 2, and h(x) = 2x2 − 4x + 3, rank them from least to greatest based on their axis of symmetry.

Answers

Axis of symmetry = x = -b/2a
where y = ax² + bx + c

f(x) = x² + 6x - 1 ⇒ a = 1 ; b = 6 ; c = -1
x = -(6)/2(1) = -6/2 = -3

g(x) = -x² + 2 ⇒ a = -1 ; b = 0 ; c = 2
x = -0/2(-1) = 0/-2 = 0

h(x) = 2x² - 4x + 3 ⇒ a = 2 ; b = -4 ; c = 3
x = -(-4)/2(2) = 4/4 = 1

least : f(x) = x² + 6x - 1 ; axis of symmetry is -3
middle : g(x) = -x² + 2 ; axis of symmetry is 0
greatest : h(x) = 2x² - 4x + 3 ; axis of symmetry is 1

f(x), g(x), h(x) is the answer.

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What is the median cost of 26$, 35$, and 50$