MATHEMATICS HIGH SCHOOL

An equation is shown below:5(2x - 8) + 15 = -15

Write the steps you will use to solve the equation and explain each step.

Answers

Answer 1
Answer: The first step would be to multiply the parenthesis, ex. 5(2x-8) is 10x-40. Once you simplify the equation, you continue to solve it like a regular equation. The equation should look like: 10x-40+15=-15
Me personally I substitute random numbers till I find the correct number, this takes longer but it works best for my understanding. X= 1. 10(1)-40+15=-15. 10-40 is -30, -30+15=-15. So, x=1
Answer 2
Answer:

Original Equation.

5(2x - 8) + 15 = -15

First do what is in the parenthesis.

2 x 1 = 2

2 - 8 = -6

5(-6) + 15 = -15

Multiply 5 x -6 to get -30

-30 + 15 = -15

add 15 + -30 to get -15

-15

x = 1

Hope This Helps!

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I need help with that​

Answers

Answer:

x intercept = (3,0)

y intercept = (0, -2)

Step-by-step explanation:

x-intercept:

2x = 3y +6

x intercept = 6/2 = 3

y-intercept

-3y = -2x + 6

y = 2/3x - 6/3

y = 2/3 - 2

Need help on this question

Answers

Answer:

x=2

Step-by-step explanation:

9x - 3 = 6x + 3

    + 3         + 3

----------------------

9x = 6x + 6

-6x  -6x

----------------------

3x = 6

---    ---

3      3

----------

x=2

F(-2) =
i need help immediately

Answers

On the graph, see where x = -2
The point is (-2,2)

Solution: f(-2) = 2

Answer:

f(-2) = 2

Step-by-step explanation:

In polar coordinates, the origin is called the _____.

Answers

it is called the POLE  hope i am the brainliest i need it to gt the next rank 

Answer:

In polar coordinates, the origin is called the pole.

Pls help me with this i will give crown

Answers

Answer:

C

Step-by-step explanation:

The easiest way to solve this would be to find the difference between the numbers. We can do -3-(-9) to find the difference of 6. We can then make sure this is true for the rest of the sequence by adding 6 to each number.

-9+6=-3

-3+6=3

3+6=9

9+6=15

Now that we've verified that this is true, we know the answer is C

Answer:

u on go to padlet now

Step-by-step explanation:

If cos Θ = negative 4 over 7, what are the values of sin Θ and tan Θ?

Answers

given cos theta is equal to - 4/ 7 then we can conclude that theta is in the second and third quadrants. In this case, the other leg is equal to square root of (7^2 - 4^2 ) equal to square root of 33. In this case, sin theta can be equal to +- square root of 33 / 7 and tan theta is equal to +-square root of 33 / 4.

The values of sin theta and tan theta are √45/7 and √45/4 respectively

Trigonometry identity

Given the following trigonometry identity

cos Θ  = -4/7

This shows that

Adjacent = 4

Hypotenuse = 7

Determine the opposite

x^2 = 7^2 - 4^2
x^2 = 49 - 4
x^2 = 45
x = √45

Determine the value of sin Θ

sin Θ  = opp/hyp

sin Θ  = √45/7

Determine the value of tanΘ
tanΘ = opp/adj

tanΘ = √45/4

Hene the values of sin theta and tan theta are √45/7 and √45/4 respectively

learn more on triginometry here: brainly.com/question/24349828

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