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Bingel [31]
3 years ago
12

PLEASE HELP ME I AM DOING A TEST

Mathematics
1 answer:
natulia [17]3 years ago
4 0

Answer:

1) the real part of z is 12.1

2) the imaginary part of z is 29i

Step-by-step explanation:

1) the real part of z is 12.1

2) the imaginary part of z is 29i

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Four members of a track team run a relay race in 165 seconds. how many minutes did it take them to run the race?
Varvara68 [4.7K]
165/4 = 41.25 seconds for them to each run the race. Please make me brainliest
8 0
3 years ago
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Suppose the line of best fit for some data points a slope of 4.404 if the mean of the x-coordinates of the data points 8.891 and
Anton [14]
We need to solve for the y-intercept of the line and the given values are enumerated below:
point slope = m = 4.404
mean of the x coordinate of the data point = 8.891
mean of the y coordinate of the data point = 5.519
We can use the equation of the line in a point-slope form such as:
y = mx + c
Let us solve first the value of c:
5.519 = (4.404* 8.891) +c
c = 5.519 - (39.156)
c = -33.637
the y-intercept is when x is equal to zero, we have:
y = 4.404(0) + (-33.637)
y= -33.637

The answer is -33.637 for y-intercept.
7 0
4 years ago
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On a running track Michelle takes 2 minutes to rip a lap but sally takes 3 minutes. In a 20 minute run, at what points would the
sveticcg [70]
They never meet, not enough information if they do
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3 years ago
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PLease help me i beg you i really need help
BigorU [14]
1)
f(x)=tan 90º=indeterminated   or   ∞

Answer: y-value=indeterminated or ∞.

2)
Law of sines:
a/sin A=b/ sinB
In this case:
24 /sin 92º=7/sin Z
sin Z=(7*sin 92º)/24=0.29148...≈0.29

Z=arc sin (0.29)=16.95º

Answer: Z=16.95º.

3)
Law of cousines:
a²=b²+c²-2bc(cos A)
In this case:
12²=22²+19²-2(22)(19)cos T
144=484+361-836 cos T
-836 cos T=144-484-361
-836 cos T=-701
cos T=-701/-836
cos T=0.83851...≈0.84
T=arc cos (0.84)=33.02

Answer: T=33.02º

4)
The hypotenuse would be EF, because it is in front of the right angle.
The legs would be EG and FG


Answer: The legs would be EG and FG.

5)
cot Ф= adjacent /opposite=10/24=5/12

Answer: cot Ф=5/12


7 0
3 years ago
Jessica bakes 112 muffins in 7 batches. How many muffins does each batch contain?
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Solve 112 divided by 7 to find the number of muffins in each batch.

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