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2 years ago

The area of a triangle is 41 yd^2, with a base of 5 yards. What is the height, in yards?

Mathematics

1 answer:

Annette [7]2 years ago

8 0

Answer:

I am pretty sure the answer would be A.

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Find the unit vector in the direction of v=(7,-3). (enter exact answers with square roots)

navik [9.2K]

Answer:

$\binom{ \frac{7 \sqrt{58} }{58} }{ \frac{ - 3 \sqrt{58} }{58} }$

Step-by-step explanation:

First, find the magnitude of the vector:

$|v| = \sqrt{( {(7)}^{2} + {( - 3)}^{2}) } \\ = \sqrt{(49 + 9)} \\ = \sqrt{58}$

Then, divide each component of the vector by the magnitude to get the unit vector and rationalise:

$unit \: vector = \binom{ \frac{7}{ \sqrt{58} } }{ \frac{ - 3}{ \sqrt{58} } } \\ = \binom{ \frac{7 \sqrt{58} }{58} }{ \frac{ - 3 \sqrt{58} }{58} }$

8 0

3 years ago

Could someone please answer this And explain I would really appreciate it thank you so much :)

makvit [3.9K]

Answer:

The first choice

Step-by-step explanation:

So you see that square down there, does mean that the angle is 90 degrees. So 90-50 = 40 so yea the first choice.

6 0

2 years ago

Simply. -2/5 + 4/3 Show work.

mixer [17]

Answer:

14/15

Step-by-step explanation:

Find common denominators. Note that what you do to the denominator, you do to the numerator.

Use 15 as the common denominator:

(-2/5)(3/3) = (-6/15)

(4/3)(5/5) = (20/15)

Combine like terms:

-6/15 + 20/15 = (20 - 6)/15 = 14/15

14/15 is your answer.

8 0

2 years ago

Read 2 more answers

A+4<9 Anyone please?

olasank [31]

a < 5

step by step

4 - 4 = 0

9 - 4 = 5

6 0

2 years ago

Of five letters (A, B, C, D, and E), two letters are to be selected at random. How many possible are possible

Vanyuwa [196]

Answer:

Step-by-step explanation:

5C2 =5!

2! (3)!

=1 x 2 x 3 x 4 x 5

(1 x 2) (1 x 2 x 3)

=4 x 5

=20

5C2 = 10

4 0

2 years ago