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IRISSAK [1]
2 years ago
7

What is the exact value of sin 48 degrees?

Mathematics
2 answers:
poizon [28]2 years ago
7 0
.7431448255...

i entered sin(48) into my calculator and got the answer above
agasfer [191]2 years ago
4 0
The answer is <span>7431448255 hope i hellped</span>
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Find the sum and express it in the simplest form (-2y-4x+7)+(-4y+x-1)
Marina86 [1]

Y=7+2x......(1)

put this value in 4y+x=1

4(7+2x)+x=1

28+14x+x=1

15x=-27

x=-27/15.....(2)

put this value in eqn (1)

y=7+2(-27/5)

y=7-54/5

y=-3.8

I really hope this helps :D:D:D!!!!

3 0
2 years ago
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A central angle of a circle measures 42 degrees. What else can be shown to measure 42 degrees?
Slav-nsk [51]

Answer:

Vertically opposite angles

Step-by-step explanation:

Given

\theta = 42^\circ

Required

What else can measure \theta = 42^\circ

The question has missing options. So, I will give a general explanation.

Using the attached image as a point of reference.

Given that:

\theta = 42^\circ

The value of b is calculated as:

b = \theta

Because b and \theta are vertically opposite angles

<em>This gives:</em>

<em></em>b = 42^\circ<em></em>

<em></em>

<em>So, one possible answer to the question is a vertically opposite angle</em>

4 0
3 years ago
The Earth rotates 1.25 degrees in 5minutes. How many degrees does it rotate in 1 minute?
Brums [2.3K]
0.25 degrees in 1 minute
7 0
3 years ago
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Write an algebraic expression to model the unknown number problem.
charle [14.2K]

Answer:

As Boo said in the comments the answer is A, C, D, and E.

Step-by-step explanation:

8 0
2 years ago
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What is 3x2 + 5x - x2 - 2x + 3 simplifyed completely​
zloy xaker [14]

Answer:

2x^2+3x+3

Step-by-step explanation:

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "x2"   was replaced by   "x^2".  1 more similar replacement(s).

STEP  1

The Equation at the end of step 1

 (3x2 +  5x) -  x2) -  2x) +  3

STEP  2

Trying to factor by splitting the middle term

2.1     Factoring  2x2+3x+3  

The first term is,  2x2  its coefficient is  2.

The middle term is,  +3x  its coefficient is  3.

The last term, "the constant", is  +3  

Step-1: Multiply the coefficient of the first term by the constant   2 • 3 = 6  

Step-2: Find two factors of  6  whose sum equals the coefficient of the middle term, which is   3.

     -6    +    -1    =    -7  

     -3    +    -2    =    -5  

     -2    +    -3    =    -5  

     -1    +    -6    =    -7  

     1    +    6    =    7  

     2    +    3    =    5  

     3    +    2    =    5  

     6    +    1    =    7  

Observation: No two such factors can be found !!

Conclusion: Trinomial can not be factored

Final result :

 2x^2 + 3x + 3

Hope this helps!

Brain-List?

3 0
3 years ago
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