1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Vlada [557]
3 years ago
13

Need help with this trigonometry

Mathematics
1 answer:
Vlad1618 [11]3 years ago
8 0
X=6 y and z are both 30 degrees
You might be interested in
3 + 2x -y =0<br> -3 -7y = 10x​
sweet [91]

Answer:

(-1, 1)

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

<u>Algebra I</u>

  • Solving systems of equations using substitution/elimination
  • Solving systems of equations by graphing

Step-by-step explanation:

<u>Step 1: Define systems</u>

3 + 2x - y = 0

-3 - 7y = 10x

<u>Step 2: Rewrite systems</u>

3 + 2x - y = 0

  1. Add <em>y</em> to both sides:                    3 + 2x = y

<u>Step 3: Redefine systems</u>

y = 2x + 3

-3 - 7y = 10x

<u>Step 4: Solve for </u><em><u>x</u></em>

<em>Substitution</em>

  1. Substitute in <em>y</em>:                     -3 - 7(2x + 3) = 10x
  2. Distribute -7:                        -3 - 14x - 21 = 10x
  3. Combine like terms:            -14x - 24 = 10x
  4. Add 14x on both sides:        -24 = 24x
  5. Divide 24 on both sides:     -1 = x
  6. Rewrite:                                 x = -1

<u>Step 5: Solve for </u><em><u>y</u></em>

  1. Define original equation:                    -3 - 7y = 10x
  2. Substitute in <em>x</em>:                                     -3 - 7y = 10(-1)
  3. Multiply:                                                -3 - 7y = -10
  4. Add 3 to both sides:                            -7y = -7
  5. Divide -7 on both sides:                      y = 1

<u>Step 6: Graph</u>

<em>Check the solution set.</em>

4 0
2 years ago
Pls help for brainlist
snow_tiger [21]

Answer: 7/20

Step-by-step explanation:

3/4 - 2/5

= 3x5/4x5 - 2x4/5x4

=15/20 - 8/20

= 7/20

Hope it helped u,

pls mark as the brainliest

^_^

3 0
3 years ago
Read 2 more answers
Pj will begin her cake deliveries at 12:20. She asked me to remind her 30 minutes befor she has to leave. What time should I rem
Leto [7]

Answer:

11:50

Step-by-step explanation:

Go back 40 min before 12:20

6 0
2 years ago
What rotation is shown below?
JulijaS [17]

Answer:

90 around the origin

Step-by-step explanation:

Here is the answer

5 0
2 years ago
Read 2 more answers
​ y=3x−5 y=x−1 ​ Is ( 2 , 1 )a solution of the system?
kotegsom [21]

Answer: Yes, (2,1) is a solution.

Point for : (2,1)

Equation form : x=2 , y=1

Step-by-step explanation: Solve for the first variable in one of the equations, then substitute the result into the other equation.

Hope this helps you out! ☺

6 0
3 years ago
Read 2 more answers
Other questions:
  • Is the inverse of a symmetric matrix also symmetric?
    5·1 answer
  • Determine the intercepts of the line.<br> y = 8x – 18<br> y-intercept:<br> x-intercept:
    8·1 answer
  • Which is the solution to the system of equations?
    6·1 answer
  • Help me on homework. Explian the steps to get the answer
    12·1 answer
  • Jeff and his friends win a prize.
    14·1 answer
  • A cell phone company offers two plans.
    6·1 answer
  • 39 - 15x if x = 2<br> Evaluate <br><br> HELP PLEASE!!
    7·1 answer
  • there is a line whose y-intercept is 10 and whose slope is -1/2. what is its equation in slope-intercept form? y= x +
    6·1 answer
  • Which expression is equivalent to -5(2n - 4) + n?
    13·1 answer
  • A television cost $5000.00 cash. The hire purchase cost is a deposit of $1000 and 24 monthly instalments of $200.00. What is dif
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!