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QveST [7]
3 years ago
8

A cereal bar contains 4000 milligrams of protein. How much protein does it contain in grams

Mathematics
1 answer:
Finger [1]3 years ago
4 0
4 grams of protein :)<span />
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Write the expression as the sine, cosine, or tangent of an angle.
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3 0
3 years ago
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Use the image below to answer the following question. Find the value of sin x° and cos y°. What relationship do the ratios of si
aliya0001 [1]

Answer:

<u>Trigonometric ratios</u>

\sf \sin(\theta)=\dfrac{O}{H}\quad\cos(\theta)=\dfrac{A}{H}\quad\tan(\theta)=\dfrac{O}{A}

where:

  • \theta is the angle
  • O is the side opposite the angle
  • A is the side adjacent the angle
  • H is the hypotenuse (the side opposite the right angle)

To find sin x and cos y, we must first find the length of the <u>hypotenuse</u> (PO) of the given right triangle.  

To do this, use <u>Pythagoras' Theorem:</u>

a^2+b^2=c^2 \quad \textsf{(where a and  b are the legs, and c is the hypotenuse)}

Given:

  • a = 6
  • b = 8
  • c = PO

\implies 6^2+8^2=PO^2

\implies PO^2=100

\implies PO=\sqrt{100}

\implies PO=10

Using the found value of the hypotenuse and the trig ratios quoted above:

\implies \sf \sin(x)=\dfrac{6}{10}=\dfrac{3}{5}

\implies \sf \cos(y)=\dfrac{6}{10}=\dfrac{3}{5}

Therefore, \sf \sin(x)=\cos(y)

4 0
2 years ago
Read 2 more answers
Consider the vectors Bold uuequals=left angle 4 comma 0 right angle4,0 and Bold vvequals=left angle negative 3 comma negative 3
saw5 [17]

Answer:

Angle between the two vectors is 135°

u•v = -12

Step-by-step explanation:

Given two vectors u = (4,0) and v = (-3,-3).

To find the angle between the two vectors we will use the formula for calculating the angle between two vectors as shown;

u•v = |u||v|cos theta

cos theta = u•v/|u||v|

theta = arccos  (u•v/|u||v|)

u•v = (4,0)•(-3,-3)

u•v = 4(-3)+0(-3)

u•v = -12

For |u| and |v|

|u| = √4²+0²

|u| = √16 = 4

|v| = √(-3)²+(-3)²

|v| = √9+9

|v| = √18

|v| = 3√2

|u||v| = 4×3√2 = 12√2

theta = arccos(-12/12√2)

theta = arccos(- 1/√2)

theta = -45°

Since cos is negative in the second quadrant, theta = 180-45°

theta = 135°

To get u•v using the formula u•v = |u||v|cos theta

Given |u||v| = 12√2 and theta = 135°

u•v = 12√2cos 135°

u•v = 12√2× -1/√2

u•v = -12√2/√2

u•v = -12

For the diagram of the vectors, find it in the attachment below.

4 0
3 years ago
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Find the equation of this line.<br> (0,-2) (4,6)
geniusboy [140]

Answer:

y=2x-2

you could use y=mx+b

8 0
3 years ago
When a number is decreased by 16% of itself the result is 159.6. What is the number?
Rufina [12.5K]

Hey there! I'm happy to help!

Let's call this number n. Here is the info we can write about it. Remember that to write as a percent as a decimal you divide by 100.

n-0.16n=159.6

We combine like terms.

0.84n=159.6

We divide both sides by 0.84

n=190

Have a wonderful day! :D

7 0
3 years ago
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