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Volgvan
2 years ago
7

1. There are 10 cards. 4 of them are of green color and another 6 are of

Mathematics
1 answer:
Damm [24]2 years ago
6 0
The Probability of him getting green is 4/10 which is 2/5
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In a 30-60-90 triangle, the length of the hypotenuse is 17. Find the length of the side opposite the 30 degree angle.
cluponka [151]

Step-by-step explanation:

we know that on a 30 60 90 trianlge the length of the side opposite the 30 degree angle is half of the length of hypotenuse.So in this problem

the length of the side opposite the 30 angle is 17/2

talking about exercise on the photo the answer is

8√3 because it is given that the length of the side opposite the 30 anlge is 8 so hypotenuse is 16 we mentioned why before.

Now lets use pythagorean theorem

x^2+y^2=z^2

z is hypotenuse

8^2+y^2=16^2

64+y^2=256

y^2=256-64

y^2=192

y=8√3

4 0
3 years ago
HELP ME PLEASE IF YOU SEE THIS PLEASE HELP I ONLY NEED THE ANSWER YOU DONT EVEN HAVE TO EXPLAIN IT
likoan [24]

Answer:

653

Step-by-step explanation:

The surface area of the larger cube is

2(10 x 7) + 2(12x7) + 2(10x12) = 140 + 168 + 240 = 548

The surface area of the smaller cube (minus the surface that is covered by the other figure)

4(8x3) + 1(3x3) = 96 + 9 = 105

105 + 548 = 653

6 0
3 years ago
Read 2 more answers
Katie wants to collect over
iVinArrow [24]

Answer: if I’m reading this right the answer should be6 days

Step-by-step explanation: do 12x6=72 then add that to the current 34 shells she has, after this then she will have 108 shells, the amount she is looking for.

6 0
3 years ago
If cos(t)= <img src="https://tex.z-dn.net/?f=-%5Cfrac%7B4%7D%7B9%7D" id="TexFormula1" title="-\frac{4}{9}" alt="-\frac{4}{9}" al
Anna35 [415]
<h3>Answer:</h3><h3>cos(-t) = -4/9</h3><h3>sec(-t) = -9/4</h3>

Explanation:

Since cosine is an even function, we can say cos(-t) = cos(t) for all values of t. So this explains why cos(-t) = cos(t) = -4/9. No change happens.

To find the secant value, we apply the reciprocal. This is because sec = 1/cos. So that's how -4/9 flips to -9/4.

8 0
3 years ago
2 poin
Olegator [25]

Answer:

50 or more

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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