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nikklg [1K]
3 years ago
15

Verify the identity

9" id="TexFormula1" title=" sin( 2x) = 2 \cot(x) \sin^{2} (x)" alt=" sin( 2x) = 2 \cot(x) \sin^{2} (x)" align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
Mariulka [41]3 years ago
6 0

Answer:

That equation is an Identity.

Step-by-step explanation:

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Ana completed 40% of her math test yesterday. She completed 12 math problems. How many math problems are on her test?
Mkey [24]

Answer:  30

Step-by-step explanation:

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3 years ago
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Rewrite the following equation in slope-intercept form.<br><br> 3x − 11y = 19
Law Incorporation [45]

Answer:

y = 3/11(x) - 19/11

Step-by-step explanation:

Step 1: Subtract 3x from both sides.

  • 3x-11y-3x=19-3x
  • -11y=-3x+19

Step 2: Divide both sides by -11.

  • -11y/-11=(-3x+19)/-11
  • y=\frac{3}{11}x-\frac{19}{11}

Therefore, the answer is y = 3/11(x) - 19/11.

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3 years ago
Which graph shows a line with the same y intercept as the graph of 10x - 16y = 40
Amanda [17]

Answer:

The graph option where the y-axis is intercepted at y = -2.5 by the line of the graph.

Step-by-step explanation:

The answer choices for the possible graphs that have the same y-intercept as the graph of 10x - 16y = 40 is missing here.

However, the answer can still be explained here.

We can figure out how the graph would look like.

First, understand that the y-intercept of a graph is the value of y, of the point where the line intercepts the y-axis.

Let's figure out what the y-intercept is given a graph represented by the equation, 10x - 16y = 40.

Rewrite the equation in slope-intercept form.

10x - 16y = 40

-16y = -10x + 40

y = -10x/-16 + 40/-16

y = ⅝x - ⁵/2

Therefore, the y-intercept of the graph of 10x - 16y = 40 is -⁵/2 or -2.5.

✅The graph shows a line with the same y-intercept as the graph of 10x - 16y = 40, would have it's y-axis intercepted at y = -2.5.

4 0
3 years ago
PLEASE HELP ASAP 25 PTS + BRAINLIEST TO RIGHT/BEST ANSWER
jeyben [28]

Answer:

D) y=(x-3)^2-3

Step-by-step explanation:

The first step is to find the vertex.

Start with getting your coefficients:

a = 1, b = -6, c = 6

plug them into the equation x = -b/2a

6/2

x = 3

Plug that back into the original equation to get y = -3

The vertex is going to be (3, -3)

The equation for Vertex Form is given by f (x) = a(x - h)^2 + k

(a) being the coefficient in front of the x^2

(h) being the first point on the vertex   (h,k) ({3},-3)

(k) being the second point on the vertex    (h,k) (3,{-3})

y=(x-3)^2-3

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3 years ago
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Ted's take-home pay is $1900 a month. He spends 17% of his take-home pay on groceries. How much do groceries cost Ted each month
Licemer1 [7]
$323 . just multiply 1900 by 0.17

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