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3 years ago

A right triangle is shown below. Which expression represents the value of sin 0?

Mathematics

1 answer:

jok3333 [9.3K]3 years ago

6 0

Answer:

I would say it's be cause you do opposite divided by hypotenuse

Step-by-step explanation:

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Solve -21 = -9 + 2/3b

Svet_ta [14]

Final Answer: $b = -18$

Steps/Reasons/Explanation:

Question: Solve $-21 = -9 + \frac{2}{3}b$ .

Step 1: Simplify $\frac{2}{3}b$ to $\frac{2b}{3}$ .

$-21 = -9 + \frac{2b}{3}$

Step 2: Regroup terms.

$-21 = \frac{2b}{3} - 9$

Step 3: Add $9$ to both sides.

$-21 + 9 = \frac{2b}{3}$

Step 4: Simplify $-21 + 9$ to $-12$ .

$-12 = \frac{2b}{3}$

Step 5: Multiply both sides by $3$ .

$-12$ × $3 = 2b$

Step 6: Simplify $-12$ × $3$ to $-36$ .

$-36 = 2b$

Step 7: Divide both sides by $2$ .

$-\frac{36}{2} = b$

Step 8: Simplify $-\frac{36}{2}$ to $-18$ .

$-18 = b$

Step 9: Switch sides.

$b = -18$

~I hope I helped you :)~

3 0

3 years ago

What is the slope of a line is parallel to y=(1/2)x=3

aniked [119]

Hi there! The answer is (1/2)

I suppose you mean the slope of a line that is parallel to y = (1/2)x + 3.

This equation is written in slope-intercept form, which means that the number in front of x represents the slope of the line. The other number represents the y-intercept.

A line that is parallel to another line, will be a line with the same slope. Since the slope of y = (1/2)x + 3 is (1/2), the slope of a line parallel to this line is (1/2) as well.

~ Hope this helps you!

8 0

3 years ago

Solve the differential equation dy/dx = (x-2) / (y-2)

Brums [2.3K]

Answer:

y = 2 ± $\sqrt{x^2 - 4x + 4 + C}$

Step-by-step explanation:

Solve using separable equations

First put x and dx on the same side and do the same for y

(y-2)dy = (x-2)dx

Now you can integrate

$\frac{x^2}{2} +2x + C1 = \frac{y^2}{2} +2y\\$ + C1

Now we depending on how what ur instructor wants you may need to give exact solutions. We can do this by solving he quadratic equation for Y

Doing this you get:

y = 2 ± $\sqrt{x^2 - 4x + 4 + C}$

Note C's were simplified.

6 0

3 years ago

What is the distance between (4,5) and (-3,0)

Vladimir79 [104]

Answer:

You need to upload an image about the grid/graphic so I can answer that

Step-by-step explanation:

4 0

3 years ago

Help asappp pleaseeee

PilotLPTM [1.2K]

Answer:

117 degrees

Step-by-step explanation:

Two vertical angles will always equal each other.

So, set up an equation where angle A and angle B equal each other to solve for x:

5x - 3 = 4x + 21

5x = 4x + 24

x = 24

Plug in 24 for x in the expression represent angle A:

5(24) - 3

120 - 3

117

7 0

3 years ago