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vodka [1.7K]
2 years ago
7

If vector u= (-4,8) and vector (5,-18), which vector can be added to 2u-4v to give the unit vector in the direction of the y-axi

s as the resultant vector?
A. w = (12, -87)
B. w = (28, -55)
C. w = (28, -87)
D. w = (12, -55)
Mathematics
1 answer:
Troyanec [42]2 years ago
3 0

Answer:

hey buddy im gona help you!

Step-by-step explanation:

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I think I know what your asking so the answer would be 27/30 and 28/30 
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∠1 and​ ​ ∠2 ​ ​are complementary angles. m∠1=13° What is the measure of ​ ∠2 ​​?
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Measure of angle 2 is 77. hope this helped.
4 0
2 years ago
1. You have three standard decks of cards in front of you. What is the probability of drawing a heart card from all three decks?
Paladinen [302]

Answer:

1.56%

Step-by-step explanation:

A standard deck of cards has 52 cards, and 13 of these are hearts, as there are 4 suits, and 52/4=13. This means the probability of choosing a heart card from a deck of cards is 1/4, or 25%. Now to find the probability of doing this from 3 decks in a row, we simply cube 1/4 to get 1/64, and in percentage this is ~1.56%.

7 0
3 years ago
Mia has a rectangle shape brownie. She cuts the brownie into 3 equal pieces.Which sentence is true ?
MAXImum [283]

Answer:

The whole brownie is 3/3

Step-by-step explanation:

Hello!

This is a classic fractions exercise.

The whole brownie was cut in three equal pieces. Each piece represents 1/3 of the brownie.

If you add the three pieces together 1/3+1/3+1/3 you get the whole brownie again 3/3 = 1

-Options-

The whole brownie is 1/3.

<em>The whole brownie is 3/3. </em>

The whole brownie is 2/3.

The whole brownie is 3/2.

I hope this helps!

4 0
3 years ago
Barbra bought 2 greetings cards at $1.50 each, 3 packages of wrapping paper at $2.29 each and 1 roll of ribbon for $1.45. How mu
koban [17]

Answer:

$11.32

Step-by-step explanation:

Greeting Cards = $1.5 x 2 = $3

Wrapping Paper = $2.29 x 3 =  $6.87

Ribbon = $1.45 x 1 = $1.45

So now we must add the totals to figure out how much money Barbra spent in total.

$3 + $6.87 + $1.45 = $11.32

3 0
2 years ago
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