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Yuri [45]
4 years ago
6

Use the diagram to identify a segment parallel to CF A. DG B. AD C. DC D. AB

Mathematics
2 answers:
Eduardwww [97]4 years ago
8 0
A. DG I'm pretty sure
sattari [20]4 years ago
5 0

Answer: DG

Step-by-step explanation: Its ,obvious because its on the side of CF which makes it parallel to CF

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Prove the identity.<br> secx- cos x = sin x tan x
Mandarinka [93]

Answer:

LHS = RHS

Step-by-step explanation:

\sec(x)  -  \cos(x)  \\  =  \frac{1}{ \cos(x) }  -  \cos(x)  \\  =  \frac{1 -  { \cos(x) }^{2} }{ \cos(x) }

Since

{ \sin(x) }^{2}  +  { \cos(x) }^{2}  = 1 \\ 1 -  { \cos(x) }^{2}  =  { \sin(x) }^{2}

Therefore,

\frac{1 -  \ { \cos(x) }^{2} }{ \cos(x) }   \\ =  \frac{  { \sin(x) }^{2} }{ \cos(x) }  \\  =   \frac{ \sin(x )  \times  \sin(x) }{ \cos(x) }  \\  =  \sin(x)  \tan(x)

Therefore LHS = RHS

8 0
4 years ago
Y = -2x - 4<br> y = 4x + 2
adoni [48]

The value of x and y in the given equation  is determined -1 and -2 respectively.

<h3>Value of x and y</h3>

The value of x and y can be determined by solving the two equations simultaneously.

y = -2x - 4  ----- (1)

y = 4x + 2   ----- (2)

solve (1) and (2) together

-2x - 4 = 4x + 2

-6x = 6

x = -1

y = 4(-1) + 2

y = -4 + 2

y = -2

Learn more about equations here: brainly.com/question/2972832

#SPJ1

6 0
2 years ago
Solve for x. Round to the nearest whole degree
dolphi86 [110]
Do you understand trigonometry ? (sine, cosine, tangent)
4 0
4 years ago
Read 2 more answers
Write a function in any form that would match the graph shown below
ella [17]

Answers:

  • Vertex form:  y = -2(x-1)^2 + 8
  • Standard form: y = -2x^2 + 4x + 6

Pick whichever form you prefer.

=============================================================

Explanation:

The vertex is the highest point in this case, which is located at (1,8).

In general, the vertex is (h,k). So we have h = 1 and k = 8.

One root of this parabola is (-1,0). So we'll plug x = -1 and y = 0 in as well. As an alternative, you can go for (x,y) = (3,0) instead.

Plug those four values mentioned into the equation below. Solve for 'a'.

y = a(x-h)^2 + k

0 = a(-1-1)^2+8

0 = a(-2)^2+8

0 = 4a+8

4a+8 = 0

4a = -8

a = -8/4

a = -2

The vertex form of this parabola is   y = -2(x-1)^2+8

Expanding that out gets us the following

y = -2(x-1)^2+8

y = -2(x^2-2x+1)+8

y = -2x^2+4x-2+8

y = -2x^2+4x+6 .... equation in standard form

7 0
3 years ago
A machine produces small cans that are used for baked beans. The probabil- ity that the can is in perfect shape is 0.9. The prob
Elis [28]

Answer:

0.9783 = 97.83% probability that a can that gets shipped for use will be of perfect shape

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

P(B|A) = \frac{P(A \cap B)}{P(A)}

In which

P(B|A) is the probability of event B happening, given that A happened.

P(A \cap B) is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Shipped for use

Event B: Perfect shape

Probability of being shipped for use:

Perfect shape(0.9 probability) or unnoticeable dent(0.02 probability). So

P(A) = 0.9 + 0.02 = 0.92

Being shipped for use and being in perfect shape.

0.9 probability, so P(A \cap B) = 0.9

What is the probability that a can that gets shipped for use will be of perfect shape?

P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.9}{0.92} = 0.9783

0.9783 = 97.83% probability that a can that gets shipped for use will be of perfect shape

8 0
3 years ago
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