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ZanzabumX [31]
3 years ago
15

Find the value of x and y and please show all work.

Mathematics
1 answer:
Semmy [17]3 years ago
8 0

Answer:

x°=25° y=5

Step-by-step explanation:

x°=

The measure of two angles is given. (65° and 90°)

90°+65°=155°

180°-155°=25°

y=

Use the Pythagorean theorem. (A²+B²=C²)

3²+4²=25

√5=25   (5²=25)

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Can someone help me out please?? I would really appreciate it.
Firdavs [7]

Answer:

C: x = 5 and y = (5√3)/2

Step-by-step explanation:

Looking at the triangle, we can use trigonometric ratios to find x and y since it's a right angled triangle.

Thus;

(5/2)/x = sin 30

x = (5/2)/½

x = 5

Similarly, (5/2)/y = tan 30

tan 30 in surd form is 1/√3

Thus;

(5/2)/y = 1/√3

y = 5/2 × √3

y = (5√3)/2

4 0
3 years ago
What is the slope of the the line that goes through (4,3) and (8,5)
TEA [102]

Formula to find the slope:

m = y2-y1 / x2-x1

(4,3); (8,5)

m= 5-3 / 8-4

m = 2/4

m = 1/2

Therefore, the slope of the line that passes through these points is 1/2

3 0
3 years ago
Help me please. 30 points :)
Nataly [62]

\frac{(5 \:  -  \: 8x)}{( \sqrt{5 \:  -  \: 8x} )}  \:  =  \:  \sqrt{5 \:  -  \: 8x}
For the result to be Real,
5 \:  -  \: 8x \:  \geqslant  \: 0
8x \:  \leqslant  \: 5
x \:  \leqslant  \:  \frac{5}{8}
( \frac{(5 - 8x)}{( \sqrt{5 - 8x} )} ) \:  \times  \:  (\frac{ \sqrt{5 - 8x} }{ \sqrt{5 - 8x} } ) \:  =  \:  \frac{ {(5 \:  -  \: 8x)}^{ \frac{3}{2} } }{(5 \:  -  \: 8x)}
Hence,
\frac{{(5 \:  -  \: 8x)}^{ \frac{3}{2} } }{(5 \:  -  \: 8x)}
is the required form.

3 0
3 years ago
80% of _ games in 32 games
Oksanka [162]
2.5 is the answer because you need to divide 80 by 32 to get the answer 2.5. so now multiply 2.5 by 32 and if you get 80 that means your answer is correct 
5 0
4 years ago
B) You just got a free ticket for a boat ride! you can bring
vodomira [7]

Answer:

Step-by-step explanation:

Because order does not matter this is a combination

5!/(2!3!)=10

8 0
3 years ago
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