Given v=(6,3) and w=(1,-2), what is the result of v-w

1 answer:

3 0

Here, v - w would be (6-1, 3-[-2]), or (5, 5).
I don't believe you need the word "result" here. At first I thought you'd meant "resultant." Here you're finding the "difference" v less w.

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WILL GIVE BRAINLIEST

andreev551 [17]

Answer:

B. 12

Step-by-step explanation:

First, we need the degrees for <em>A</em>. So, cos<em>x </em>= 5/13 = 67.4

Now it will be easy to solve a. tan67.4° = a/5 = 12.011728511....

we round it to the nearest tenth and we get 12.

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3 years ago

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A chemist has one solution that is 60% alcohol and another that is 35% alcohol. How much of each must she use to make 15 liters

vivado [14]

Let x represent the total amount litters of solutions for 60% alcohol
15-x represent the total amount of litters of solutions for 35% alcohol, so:
0.6(x)+0.35(15-x)=0.5(15)
0.6x+5.25-0.35x=7.5
0.25x+5.25=7.5
Subtract 5.25 to each side
0.25x+5.25-5.25=7.5-5.25
0.25x=2.25
Divided 0.25 to each side
0.25x/0.25=2.25/0.25
x=9 liters
15-x
=15-9
=6 litters. As a result, she must use 9 litters of 60% alcohol and 6 litters of 35% alcohol to make 50% alcohol. Hope it help!

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Answer:

y=9x+8

Step-by-step explanation:

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qwelly [4]

The correct answer is B) $m^{2/3}n^{5/3}$ .

The denominator of the exponent is the root we are taking. The numerator is the exponent of the radicand. This means 3 will be the denominator, since it is a cubed root, and 2 will be the numerator of m while 5 will be the numerator of n.

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