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adoni [48]
3 years ago
7

Can you please help me!

Mathematics
1 answer:
enyata [817]3 years ago
4 0
Sin(x) = 31/39
x = Sin^-1 (31/39)
I don’t have a calculator
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https://graphicdesign.stackexchange.com/questions/8547/how-to-find-specific-vector-images-like-this-one

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PLEASE HELP ME GIVING BRAINLY
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Answer:

Step-by-step explanation:

The terminal arm is either in quad 1 or quad 3

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Convert to rectangular form r=4 cos theta
Amiraneli [1.4K]
Hello,

x=r cos t
y=r sin t
x²+y²=r²

r=4 cos t
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5 0
4 years ago
Read 2 more answers
Solve the system by substitution. <br>y = -7x + 6 <br>y = -10x​
Artist 52 [7]

Answer:

(-2, 20)

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

<u>Algebra I</u>

  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

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

y = -7x + 6

y = -10x

<u>Step 2: Solve for </u><em><u>x</u></em>

<em>Substitution</em>

  1. Substitute in <em>y</em>:                   -10x = -7x + 6
  2. Add 10x to both sides:      0 = 3x + 6
  3. Isolate <em>x</em> term:                    -6 = 3x
  4. Isolate <em>x</em>:                             -2 = x
  5. Rewrite:                              x = -2

<u>Step 3: Solve for </u><em><u>y</u></em>

  1. Define equation:                    y = -10x
  2. Substitute in <em>x</em>:                       y = -10(-2)
  3. Multiply:                                  y = 20
5 0
3 years ago
Read 2 more answers
. Write an equation of the line that passes through
irina [24]

Answer:

y = 1/3 x + 4

Step-by-step explanation:

The slopes of perpendicular lines are negative reciprocals. The given line is

y = -3x + 7

which is already in the slope-intercept form, y = mx + b, where m is the slope.

The slope of the given line is -3.

The slope of the perpendicular is the negative reciprocal of -3 which is 1/3.

The line we are looking for has an equation of the form

y = 1/3x + b

We need to find b. We use the x- and y-coordinates of the given point as x and y in the equation above, and we solve for b.

y = 1/3x + b

5 = (1/3)(3) + b

5 = 1 + b

4 = b

Now that we know that b = 4, we replace b with 4 in the equation

y = 1/3x + b to get the answer.

Answer: y = 1/3 x + 4

8 0
3 years ago
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