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nika2105 [10]
3 years ago
7

In a 30°-60°-90° triangle, the length of the hypotenuse is 30. Find the length of the shorter leg.

Mathematics
1 answer:
Aloiza [94]3 years ago
3 0
Short leg = 30 x cos(60) = 15
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Which 2 teams scored a total of 100 points, red has 29 points, yellow has 38 points, Green has 41 points, blue has 76 points ora
Bess [88]

Answer:

Blue and Black

Step-by-step explanation:

hi! i think you're asking which of the 2 teams' points added together equal 100. if so, it would be blue and black because 76 + 24 = 100.

broken down: 70 + 20 = 90, 6 + 4 = 10, 90 + 10 = 100 :)

hope i understood this right!

6 0
3 years ago
Solve by the linear combination method (with or without multiplication) <br> 2x+3y= -17, 5x+2y = -4
Amiraneli [1.4K]
2x+3y= -17 
5x+2y= -4
You must cancel either the x or y out to solve so i'm going to cancel the x. 
-5(2x+3y= -17)
2(5x+2y= -4)
This simplifies to: 
-15x -15y=85
15x+4y= -8
The -15x and 15x cancel out leaving you: 
-15y=85 
4y= -8
You add them top numbers by the bottom and get: 
-11y=77
Then divide by -11 to get y by its self.
y= -7
Now that you know what y is just plug it in to either original problem. I will use the second one. 
5x + 2(-7) = -4
5x -14 = -4
5x = 10 
x = 2
So the answer is (2,-7) or x=2 and y=-7
6 0
3 years ago
Read 2 more answers
I need help ASAP. Will give Brainliest.
Volgvan

Answer:

4,5

Step-by-step explanation:

Your welcome! :)

Good Luck!

8 0
3 years ago
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Find the surface area of a sphere with a radius of 30 m. leave your answer in terms of pi @Directrix
insens350 [35]
The formula for surface area of a sphere: A = 4 pi r^2.  
Since the radius is 30 m then A = 4pi30^2. 
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 A=3600pi m
5 0
3 years ago
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Line segment XY is a directed line segment beginning at point X(9, 2) and ending at point Y(-6, 2). Find the point Z on the line
lozanna [386]

Answer:

(-\frac{3}{8},2)

Step-by-step explanation:

Point Z divides XY into a 5:3 ratio, so Z is 5/3 of the way from X to Y.  That ratio is k, found by writing the numerator of the ratio (5) over the sum of the numerator and the denominator (5 + 3 = 8).  Our k value is 5/8.  Now we will find the rise and run values which is the slope of this line segment:

m=\frac{2-2}{-6-9} =\frac{0}{-15}

Coordinates are found in this formula:

Z(x,y)=(x_{1}+k(run),y_{1} +k(rise))

Filling that in:

Z(x,y)=(9+\frac{5}{8}(-15),2+\frac{5}{8}(0))

which simplifies to

Z(x,y)=(9-\frac{75}{8},2+0)

which gives us the final coordinates of Z to be Z(x,y)=(-\frac{3}{8},2)

7 0
2 years ago
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