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ludmilkaskok [199]
3 years ago
10

Question 31: Please help what is the cosine ratio of ∠X in the given triangle?

Mathematics
1 answer:
Mice21 [21]3 years ago
4 0

Step-by-step explanation:

\cos \: \angle X =  \frac{XY}{XZ}   =  \frac{5}{13}  \\

Hence, option A is the correct answer.

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The latest online craze is a new game, Khan on Seven. You get 100 points for playing the game. In addition, you get 50 points fo
Blizzard [7]

Answer: 50x+100\geq18,000

Step-by-step explanation:

Let w denotes a seven letter word which Sal will need to make to break the record.

Since  you get 50 points for each seven-letter and 100 points for playing the game.

Then the total points earned by you by making w seven letters words will be:

50x+100

Since, Sal wants to break that record, and needs 18,000 points or more to do so.

Then , the required inequality will be :

50x+100\geq18,000

3 0
3 years ago
Read 2 more answers
The line l passes through the point P = (1,-1,1) and has direction vector d = [2,3,1]. Determine whether l and the plane 4x-y+5z
suter [353]
Hello : 
the normal vector of the plane is : d' = [4,-1,5]...(vector  perpendicular to the plane)<span>
d </span><span>⊥ d' because : (4)(2)+(-1)(3)+(5)(1)=0
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3 0
3 years ago
Which expression shows the sum of the polynomials with like terms grouped together? (8x+3z-8z^2)+(4y-5z)
Andrews [41]
It’s (-8z^2 +8x +4y -2z)

Hope it helps
3 0
3 years ago
Let g(x) = – x^2 + 4x + 3. Find and simplify g(-3).​
Evgen [1.6K]

Steps to solve:

g(x) = – x^2 + 4x + 3 when g(-3).

~Substitute x with -3.

g(-3) = -(-3)^2 + 4(-3) + 3

~Simplify

g(-3) = -9 - 12 + 3

~Simplify using PEMDAS

g(-3) = -18

Best of Luck!

7 0
3 years ago
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Xander has a board that is 3 yards long he wants to cut pieces that are 3/4 yard to make shelves How many pieces can he cut​
babymother [125]

Answer:

4 pieces for the shelves

Step-by-step explanation:

3/4×4=3

6 0
3 years ago
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