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Sever21 [200]
2 years ago
10

Find the magnitude of the vector with (-7, -5) and write the vector as the sum of unit vectors.

Mathematics
2 answers:
tangare [24]2 years ago
8 0

Answer: the answer is C

Step-by-step explanation:

Lesechka [4]2 years ago
4 0
The magnitude of vector (-7,-5) =
                         = \sqrt{ (-7)^{2} + (-5)^{2} } = \sqrt{74} = 8.6

<span>vector as the sum of unit vectors = -7 i - 5 j</span>
You might be interested in
A 4 meter long ladder leans against a 90 degree wall at a 68 degree angle.
Alenkinab [10]

Answer:

Step-by-step explanation:

We use trig to answer these questions:

sin x = opposite side of a triangle / hypotenuse

cos x = adjacent side / hypotenuse

Construct a right triangle with hypotenuse 4 m and lower angle 68 degrees.

The height of the top of the ladder  is then defined by:

sin 68 degrees = height / 4 m, which yields (4 m)(sin 68) = height =

3.71 m

and the distance of the bottom of the ladder from the wall as follows:

cos 68 degrees = horizontal distance / hypotenuse =

1.50 m

3 0
2 years ago
The regular price of a baseball hat is $15.65. If Julio buys the baseball hat on sale for 20% off the regular price, how much ch
larisa [96]
Begin by multiplying $15.65 by 0.20 to find what 20% of the regular price is. This gives you 3.13, which in this situation means $3.13.
To find the price with discount subtract 15.65-3.13. This gives you $12.52.
To find out the change, subtract 20-12.52. This gives you $7.48.
So, he will receive $7.48 in change.
Hope this helps!
8 0
2 years ago
Convert the quadratic equation y=−4(x−3)(2x+4) from factored form to standard form.
Katyanochek1 [597]

Answer:

y = -8x² + 8x + 48

Step-by-step explanation:

y= −4(x−3)(2x+4)

y = -8x² + 8x + 48

4 0
3 years ago
Which formula should be used to find the circumference of a circle?
mojhsa [17]

Answer:

C=pid

Step-by-step explanation:

8 0
3 years ago
Linda is playing a game where she is trying to draw a diamond from a standard deck of cards. If she doesn't get a diamond, she r
atroni [7]

Answer:

The answer would be 0.2%

Step-by-step explanation:

There's 52 cards in a standard deck of cards and a set of 4 for each different symbol. 100% of the deck would be 52 cards and each deck has 4 suits and each suite has 13 cards and 75% of the cards aren't the diamond Linda is looking for so it would be a slim to none chance on pulling a diamond out of the deck and shuffling the deck each time makes it worse so it gives her like a 0.2% chance of pulling a diamond.

Hope this helps :))

7 0
2 years ago
Read 2 more answers
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