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Tanya [424]
4 years ago
8

Jerry is counting his shirts. he notices that for every 5 black t-shirts in his drawer he has two red t-shirts. if he owns 28 t-

shirts how many black t-shirts does jerry own?
Mathematics
1 answer:
lidiya [134]4 years ago
5 0

Answer:

20

Step-by-step explanation:

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A unit vector lies in the xy plane, at an angle of 137 degrees from the x axis, with a positive y component. What is the unit ve
Fed [463]

Answer: ( -0.731,  0.682)

Step-by-step explanation:

The unit vector is defined as a vector that points in the same direction as our vector (137 degrees from the x-axis) and has a magnitude of 1.

Knowing the angle, is really simple to do it.

First, we know that for a radius R and an angle A, the rectangular coordinates can be written as:

x = R*cos(A)

y = R*sin(A)

And if we want that the magnitude/modulus of our vector to be 1, then R = 1, and we know that A = 137°

x = 1*cos(137°) = -0.731

y = 1*sin(137°) = 0.682

Then the unit vector is: ( -0.731,  0.682)

8 0
3 years ago
If 30 marbles were to divided between 7 people how much each person will get ?
kirza4 [7]
Hi,

Here is the equation.
30 \div 7 = 4.28
Each person would get 4.28 marbles.

Hope this helps.
r3t40
3 0
3 years ago
In the student council election, Davina received 50 votes, Binh received 40 votes and Eden received 80 votes. What is the ratio
ira [324]

Answer: C

I hope this helps. Lol I solved it easily. Good luck

7 0
3 years ago
Read 2 more answers
Two cell phone companies have different rate plans. Runfast has monthly charges $10 plus $4 per gig of data. B A &D’s monthl
leva [86]
Let x be the number of gb used.

Question (1):
Runfast = 10 + 4x
<span>BA&D= 6 + 6x

Question (2):
</span> 10 + 4x = 6 + 6x
2x = 4
x = 2

Both companies will cost the same if you use 2 Gb of data.
BA&D will be cheaper if you use less than 2 Gb of data.
Runfast will be cheaper if you use more than 2 Gb of data.

4 0
3 years ago
What is 3.405 written in expanded form
baherus [9]
From what this number to solve it
7 0
3 years ago
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