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3 years ago

Please help me with this question and if you don't know it, pls don't answer. thank you!

Mathematics

1 answer:

kramer3 years ago

6 0

Answer:

The triangles are similar because angle N=angle E and angle F=angle H.

Angle-Angle (AA or AAA) Similarity theorem: If any two angles of a triangle are equal to any two angles of another triangle, then the two triangles are similar to each other.

Step-by-step explanation:

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Find a unit vector in the same direction as the given vector: v = −14.5i + 2.5 j.

Elis [28]

ANSWER

$- \frac{29}{866} \sqrt{866} i + \frac{5}{866} \sqrt{866} j$

EXPLANATION

The given vector is v = −14.5i + 2.5 j.

The magnitude of this vector is

$|v| = \sqrt{ {( - 14.5)}^{2} + {2.5}^{2} }$

$v| = \sqrt{ {( - 14.5)}^{2} + {2.5}^{2} }$

$v| = \sqrt{ 216.5} = \frac{ \sqrt{866} }{2}$

The unit vector in the direction of this vector is

$= \frac{v}{ |v| }$

$= - \frac{14.5}{ \frac{ \sqrt{866} }{2} } i + \frac{2.5}{ \frac{ \sqrt{866} }{2} } j$

$= - \frac{29}{866} \sqrt{866} i + \frac{5}{866} \sqrt{866} j$

7 0

3 years ago

A tree in leilas backyard has been growing for 3 1/5 years. It is 3/4 meters tall how many meters per year?

IgorC [24]

Answer:

The tree grew 15/64 meters per year.

Step-by-step explanation:

Given

Length of a tree = 3/4 meters

Total time taken by the tree to grow 3/4 taller = 3 1/5 or 16/5 years

To determine

Per year growth of the tree in meters

Per year growth of the tree in meters can be determined by dividing the total length of a tree i.e. 3/4 meters by the total time taken by the tree to get 3/4 taller.

Per year growth of tree = Total Length / Total time to grow

= 3/4 ÷ 16/5

= 3/4 × 5/16

= [3×5] / [4×16]

= 15/64 meters

Therefore, the tree grew 15/64 meters per year.

4 0

3 years ago

I need help 44points If u help me

Ira Lisetskai [31]

You should also try wolframalpha.com it can also help u. Just send this exact picture and then they'll help you

hope this helps

6 0

3 years ago

In 1924, the temperature in Fairfield, Montana, dropped from 63 degrees to -21 degrees in 12 hours. What was the average hourly

Pavlova-9 [17]

The average change hourly is 7 degrees per hour

4 0

3 years ago

On a test, you earn 92% of the possible points by correctly answering 6 five-point questions and 8 two-point questions. How many

olya-2409 [2.1K]

Step-by-step explanation:

(6×5)+(8×2)=46

92℅=46points

100℅=x

criss cross

92℅x=46

92℅. 92℅

and this is the answer

8 0

3 years ago

Read 2 more answers