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belka [17]
3 years ago
15

What is the cos of 28? I need help :( please

Mathematics
2 answers:
Mashcka [7]3 years ago
8 0

Answer:15/17

Step-by-step explanation:

Over [174]3 years ago
5 0
I hope this helps you


COS28=15/17
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How do I get the exact value of y
VladimirAG [237]
Y = - pie/4
y = -0.785
I'm not sure if I'm right so u might wanna make sure
5 0
3 years ago
Passes through the point (0,6) and has a slope of -2/3
Vadim26 [7]

Answer:

y=-\frac{2}{3}x + 6

Step-by-step explanation:

We are given that a line has a slope of -2/3 and passes through the point (0,6)

We want to write the equation of this line; there are 3 forms of the line that we can use:

  • Slope-intercept form, which is y=mx+b, where m is the slope and b is the y intercept
  • Standard form, which is ax+by=c, where a, b, and c are free integer coefficients, but a and b cannot be 0, and a cannot be negative
  • Slope-point form, which is y-y_1=m(x-x_1), where m is the slope and (x_1, y_1) is a point

All though while writing the equation of the line in any of these ways is acceptable, the most common way is to write it in slope-intercept form, so let's do it that way.

As we are already given the slope, we can immediately substitute m with that value.

Replace m with -2/3:

y = -2/3x + b

Now we need to find b.

As the equation passes through the point (0, 6), we can use it to help solve for b.

Substitute 0 as x and 6 as y.

6 = -2/3(0) + b

Multiply

6 = 0 + b

Add

6 = b

Substitute 6 as b.

y = -2/3x + 6

Topic: finding the equation of the line

See more: brainly.com/question/27645158

8 0
2 years ago
Help please i am stuck
cestrela7 [59]

Answer:

I don't know

sorry man!!

Step-by-step explanation:

^

7 0
2 years ago
Read 2 more answers
1) Use the rules of exponents to evaluate or simplify. Write without negative exponents.
AlladinOne [14]
1)\\ 3*4^0=3*1=3\\\\ 2)\\ a^{-b=(\frac{1}{a})^b}}\\
\frac{1}{4^{-2}}=\frac{1}{(\frac{1}{4})^2}=\frac{1}{\frac{1}{16}}=1*\frac{16}{1}=16
6 0
3 years ago
What is the inverse of the function f(x) = 2x + 1?
Verdich [7]

Answer:

The inverse  i.e f^-1 (x) is (x-1)/2

Step-by-step explanation:

The main method for finding inverse function is as follows:

We let y =f(x), and write the function as y = 2x + 1.

Next, we swap the x and y, then rearrange to make y the subject. So i.e:

x = 2y + 1 (just swapping x and y)

x - 1 = 2y

y = (x-1)/2  (solving for x).

So f^-1 (x) = (x-1)/2

7 0
3 years ago
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