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Alexus [3.1K]
3 years ago
10

Find x to the nearest hundredths place. A. 52.06 cm B. .04 cm C. 10.26 cm D. 24.27 cm

Mathematics
1 answer:
zimovet [89]3 years ago
6 0
We can use trigonometry to solve this problem. Sin=opposite/hypotenuse. So, sin(65)=22/x. ( 22 is opposite because it’s the opposite to the labeled angle (65 degree angle). X is the hypotenuse ( we can find the hypotenuse by finding the right angle, hypotenuse is always located opposite to the right angle, or it can be found just by looking at the picture, hypotenuse will be the longest side.). Next, cross multiplication can be used. It’ll look like this: Sin65/1=22/x Sin(65)x=22. X=22/sin(65). X=24.27.
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slega [8]
D because it has to be a chord due to being perpendicular to a diameter
7 0
3 years ago
When 5x^2 + 2= 4x is written in standard form, what are the values of a, b, and c
goblinko [34]

The standard form of a quadratic equation is

ax^{2}+bx+c=0,

where a, b, and c are coefficients. You want to get the given equation into this form. You can accomplish this by putting all the non-zero values on the left side on the equation.

In this case, the given equation is

5x^{2}+2=4x

Since 4x is on the right side of the equation, we subtract that from both sides. The resulting equation is

5x^{2}-4x+2=0

Looking at the standard form equation ax^{2}+bx+c=0, we can see that

a=5, b=-4, c=0

7 0
3 years ago
Sample Response: You would graph the equation f(x) = –x + 3 for input values less than 2. There would be an open circle at the p
fgiga [73]

Answer:

Step-by-step explanation:

What did you include in your response? Check all that apply.

There would be an open circle at (2, 1).  <u>Yes</u>

There would be a closed circle at (2, 3).  <u>Yes</u>

There would be an open circle at (4, 3).  <u>Yes</u>

There would be a closed circle at (4, −4).  <u>Yes</u>

Endpoints that are not included in the domain of a particular piece of a function are represented by an open circle.  <u>Yes</u>

7 0
2 years ago
100 Points!!!
Mars2501 [29]

Let's see

#a

Take 28

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  • (30-2)²
  • 30²-2(30)(2)+2²
  • 900-120+4
  • 780+4
  • 784

#2

Take 9,10

  • 9³+10³
  • (9+10)(9²-9×10+10²)
  • (19)(81-90+100)
  • 19(181-90)
  • 19(91)
  • 1729
7 0
2 years ago
Read 2 more answers
Solving the formula P = 2L + 2W for W is NOT equivalent to which equation?
emmasim [6.3K]

Answer:

3rd one

Step-by-step explanation:

2l + 2w = P

2w = P - 2l

w = P - 2l / 2

7 0
2 years ago
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