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Sergio [31]
2 years ago
13

If cosť = 13 and sin 0

Mathematics
1 answer:
shusha [124]2 years ago
3 0

Answer:

cos13=0.97 and sin0=0

Step-by-step explanation:

cos(13)

put in calculator and get 0.97

and do the same for sin(0).

sin(0)

0.

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The Sum of three decimal numbers is 6 what could the numbers be? Chose all that apply
Ierofanga [76]

Answer:

it is B

Step-by-step explanation:

6 0
3 years ago
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1/6 (12x - 30) + 4x (needs to be simplified) ​
VikaD [51]

Answer:

= 12x/6-30/6+4x

= (12x-30+24x)/6

= (36x-30)/6

= 6x-5

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What is the result of subtracting the second equation from the first?​
butalik [34]

Answer:

-5x + 7

Step-by-step explanation:

-4x - 2y = -2

x - 2y = 9

First, you're going to subtract the equations from each other.

(-4x - 2y = -2) - (x - 2y = 9)

Next, you need to get rid of the equal sign in both equations.

(-4x - 2y = -2) - (x - 2y = 9)

     +2       +2        -9      -9  

After you get rid of the equal signs, you will distribute the sign to the equation and then subtract everything.

-4x - 2y + 2 - x + 2y + 9

Now, combine the like terms.

(-4x -x) + (-2y + 2y) + (2 + 9)

Finally, calculate the terms and solve.

-5x + 7

3 0
3 years ago
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Multiply.<br> (x-6)(4x + 3)
d1i1m1o1n [39]

Answer:

Fully simplified it equals 4x^2 -21x -18

Explanation:

-You need to distribute the x to all of the terms in the second binomial and you also need to distribute -6 to all the terms in the second binommial giving you 4x^2 +3x - 24 -18

-You combine like terms to simplify and your answer is 4x^2 -21x -18

7 0
3 years ago
After transforming f(x) = 2x² +4x + 3 into vertex form, the vertex is easily identifiable. Which ordered pair is the vertex?
jolli1 [7]

The vertex is (-1,1)

Explanation:

The equation is f(x)=2x^{2} +4x+3

To find the vertex, we need the equation in the form of f(x)=a (x-h)^{2}+k

Dividing each term by 2 in the equation f(x)=2x^{2} +4x+3

f(x)=2(x^{2} +2x+\frac{3}{2} )

Now, completing the square by adding and subtracting 1, we get,

f(x)=2(x^{2} +2x+1-1+\frac{3}{2} )

The first three terms can be written as (x+1)^{2},

f(x)=2[(x+1)^{2}+\frac{1}{2}  ]

Multiplying 2 into the bracket, we get,

f(x)=2(x+1)^{2} +1

This equation is of the form f(x)=a (x-h)^{2}+k

Now, we shall find the vertex (h,k)

Thus, h=-1 and k=1

Thus, the vertex is (-1,1)

7 0
3 years ago
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