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Ugo [173]
3 years ago
13

If the sin 30 degrees is 1/2 then the cos ____=____.

Mathematics
2 answers:
goldenfox [79]3 years ago
7 0
  Try A) 60 degrees; 1/2. Your answer was incorrect because cos(60 degrees) is 1/2, cos(30 degrees) is square root 3 /2 not 1 or square root 2 /2
Likurg_2 [28]3 years ago
7 0
 the answer is 4 becasue you just see how many pairs can each marble get
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Can someone please help me on this?
ki77a [65]
Going down the chart:
6
4
3
4
6

the brackets on the outside of the lxl makes the value positive or keeps the value positive. therefor if u have y=l-3l+3 y will still =6! hope this helps!
6 0
2 years ago
(8x^3 - x) - (10x - 5x^2 - 3x^3) <br> Show your work.
sergeinik [125]

Let's simplify step-by-step.
8
x
3
−
x
−
(
10
x
−
5
x
2
−
3
x
3
)
Distribute the Negative Sign:
=
8
x
3
−
x
+
−
1
(
10
x
−
5
x
2
−
3
x
3
)
=
8
x
3
+
−
x
+
−
1
(
10
x
)
+
−
1
(
−
5
x
2
)
+
−
1
(
−
3
x
3
)
=
8
x
3
+
−
x
+
−
10
x
+
5
x
2
+
3
x
3
Combine Like Terms:
=
8
x
3
+
−
x
+
−
10
x
+
5
x
2
+
3
x
3
=
(
8
x
3
+
3
x
3
)
+
(
5
x
2
)
+
(
−
x
+
−
10
x
)
=
11
x
3
+
5
x
2
+
−
11
x
Answer:
=
11
x
3
+
5
x
2
−
11
x


Brainliest Please:)
6 0
3 years ago
Read 2 more answers
How Many Solutions?<br> 3x - 7 = 3(x - 3) + 2<br> No Solution<br> One Solution<br> Infinite Solution
prisoha [69]

Answer:

Infinite Solutions

Step-by-step explanation:

3x-7=3x(x-3)+2

3x-7=3x-9+2 - Distributive Property

3x-7=3x-7 - adding the right side together

3 0
3 years ago
What is 2 times 2? to the nerist nuber off the reel steel anser.
Llana [10]

Answer:

day also you have the same knowledg

6 0
2 years ago
Select the correct answer.<br> Which graph shows a function and its inverse?
Anit [1.1K]

Answer:

first graph shows the function and it's inverse

8 0
2 years ago
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