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Ghella [55]
2 years ago
9

Could someone help me on this pleaseeee :)​

Mathematics
1 answer:
shepuryov [24]2 years ago
5 0

Answer:

the slope is 1, y-intercept is (0,5) hope this helps!

Step-by-step explanation:

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HELP :Write the expression as the<br> sine or cosine of an angle.
Reptile [31]

Answer:

sin(4π/21)

Step-by-step explanation:

Step 1: Rearrange expression

sin(π/3)cos(π/7) - cos(π/3)sin(π/7)

Step 2: Use sin(A ± B)

sin(π/3 - π/7)

Step 3: Evaluate

sin(4π/21)

And we have our answer!

5 0
3 years ago
Evaluate 5y + 4x  <br><br><br> when y=10 and x= -5 
salantis [7]
5y+4x

5(10) + 4(-5)

50 - 20

30
4 0
2 years ago
Read 2 more answers
Which of the following is a solution to the equation "y=3x-1"
nalin [4]

we have

y=3x-1

we know that

If the point is an equation solution, it must satisfy the equation.

<u>case a</u>) (4,1)

Substitute the values of x and y in the equation

1=3*4-1

1=12-1

1\neq11 -------> the point is not solution of the equation

<u>case b</u>) (2,5)

Substitute the values of x and y in the equation

5=3*2-1

5=6-1

5=5 -------> the point is solution of the equation

<u>case c</u>) (4,3)

Substitute the values of x and y in the equation

3=3*4-1

3=12-1

3\neq11 -------> the point is not solution of the equation

<u>case d</u>) (0,-3)

Substitute the values of x and y in the equation

-3=3*0-1

-3\neq-1 -------> the point is not solution of the equation

therefore

<u>the answer is</u>

The point (2,5) is solution of the equation


4 0
2 years ago
Read 2 more answers
Let f(x) = -6x - 7 and g(x) = 4x + 2. Find f(x) + g(x).
disa [49]
Good question I’m having trouble with this but I hope someone understands this
3 0
2 years ago
Parallel to y = 1/5x-4 and goes through (10,-2) in point slope form
IgorC [24]

Answer:

y + 2 = \frac{1}{5} (x - 10)

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = \frac{1}{5} x - 4 ← is in slope- intercept form

with slope m = \frac{1}{5}

Parallel lines have equal slopes

The equation of a line in point- slope form is

y - b = m(x - a)

Here (a, b ) = (10, - 2 ) , then

y - (- 2) = \frac{1}{5}(x - 10) , that is

y + 2 = \frac{1}{5}(x - 10) ← in point- slope form

4 0
2 years ago
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