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choli [55]
2 years ago
6

Number 5? Pre Cal- A small airplane is cruising at an airspeed of 235 kph heading in a direction of 45° (measured from the posit

ive z-axis). The wind is blowing at 60kph in a direction of 120°. Find the resulting direction and groundspeed of the airplane to the nearest whole number.

Mathematics
1 answer:
larisa86 [58]2 years ago
5 0

Answer:

c

Step-by-step explanation:

c

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Consider the following model:
SSSSS [86.1K]

Answer:

a. 3

Step-by-step explanation:

An independent variable is the variable that is changed in an experiment to test its effects on the dependent variable. i.e. inputs

A dependent variable is the variable being tested, measured or predicted in an experiment. I.e a outcome

In this case, the the effects of the amount tutors are paid a week before exam, the amount of sleep before exam and the number of study hours are input variables to determine or predict a students score in exam

The independent variables are;

x1 =represents the amount paid to a tutor (in dollars) in the week before the exam

x2 = represents the number of hours of sleep in the week before the exam

x3 = number of study hours in the week before the exam

The dependent variable is the exam score

B0, B1, B2,B3, B4 are coefficients

8 0
3 years ago
Joe runs one lap around a track in 80 seconds. Joe and Jim start at the same point and run the track in opposite directions. The
inysia [295]
Joe runs one lap around a track in 80 seconds. Joe and Jim meet after 30 seconds.We know how long does it take for Joe to run one lap, so we can calculate what distance he runs in 30 seconds:
He runs half lap for 40 seconds. He runs quarter lap for 20 minutes and he runs 1/8 lap for ten minutes. So for 30 seconds he runs 3 * 1/8 lap=3/8 lap.
Because Jim runs in opposite direction this means that he will meat with Joe at 1-3/8=5/8 lap. So, Jim runs 5/8 lap for 30 seconds.
1/8 lap Jim runs for 30/5=6 seconds, so Jim needs 8*6=48 seconds to run the lap.
 After 30 seconds Joe has run e runs 
6 0
3 years ago
Find the value of x in each case:
diamong [38]

Answer:

Step-by-step explanation:

Sum of 3 angles of triangle= 180

147 + 4x + x = 180

147 +5x = 180

5x = 180 - 147

5x = 33

x = 33/5

x = 6•6 (Answer)

8 0
3 years ago
Read 2 more answers
Can someone please help with this. Thank you
kykrilka [37]
I’ve never seen that before
5 0
3 years ago
Read 2 more answers
What is the least common multiple of 7, 13, and 14?
Vikentia [17]
B.) 91
13x7=91 being the lowest common multiple available
3 0
3 years ago
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