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katrin2010 [14]
2 years ago
8

Please help, I don’t really understand how to do this at all.

Mathematics
2 answers:
Alisiya [41]2 years ago
5 0

Answer:

i don't know exactly.

Step-by-step explanation:

but the might be an angle tool online.

Pepsi [2]2 years ago
5 0

Answer:

ML = 8.76, LK = 3.56

Step-by-step explanation:

Angle M = 24° is given and Angle K is marked to show it's a right angle. That's 90°. You filled in Angle L = 66° which is correct (subtract 180 - 24 - 90 = 66)

Now for the sides you need trigonometry. It's totally do-able! Let's do ML first. ML is the HYPOTENUSE (longest side and opposite from the right angle) and you're given MK = 8. MK is right next to Angle M, like it is literally apart of Angle M. That means that MK is an ADJACENT side to Angle M. The trig function that puts together ADJ and HYP is cosine. You do need a calculator or maybe your program has a drop down calculator.

cos 24° = ADJ/HYP

cos 24° = 8/ML

(ML)cos 24° = (8/ML)(ML)

(ML)cos 24° = 8

Divide both sides by cos24°

ML = 8/cos24° approximately= 8.76

Make sure sure your calculator is in "degree" mode. You will usually see a tiny "deg" on the scene or check on the "mode" key

You can use trig again to get the third side or use Pythagorean theorem.

Here is the trig. LK is OPPOSITE from angle M. If we use the MK again, the ADJACENT side, we'll need tangent.

tan 24° = LK/8

8tan24° = LK

3.56 = LK

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Nadusha1986 [10]

Answer:

f(g(x)) = 4x² - 12x + 9

Step-by-step explanation:

Substitute x = g(x) into f(x) , that is

f(g(x))

= f(2x - 3)

= (2x - 3)² ← expand using FOIL

= 4x² - 12x + 9

4 0
2 years ago
Alexander is riding his bicycle to school. After one mile, he is a third of the way there. How much farther does he have to ride
Alekssandra [29.7K]
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4 0
3 years ago
Line t passes through points (10, 4) and (7, 9). Line u is parallel to line t. What is the slope of line u?
Margarita [4]

Answer: 3/5

Step-by-step explanation:

concept to know: the slope of perpendicular line is always opposite reciprocal

----------------------

Step 1. Find the slope of line t

 (y2-y1)/(x2-x1)

=(4-9)/(10-7)

=-5/3

-------------------

Step 2. Apply the concept

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Hope this helps!! :)

Please let me know if you have any question

7 0
3 years ago
Please answer this simple question !!!
Vlada [557]
A rational number is a number that can be written in form a/b where a and b are integers and b is not eual to 0

simplify eacy
\sqrt{8}=2\sqrt{2}
\sqrt{16}=4
we get

\frac{2\sqrt{2}}{3}+4
\sqrt{2} is irrational
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anwer is irrational
4 0
3 years ago
Emma buys a book and gives the clerk $13.00. How much did the book cost if her change is $0.33?​
AysviL [449]

Answer:

12.67

Step-by-step explanation:

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7 0
3 years ago
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