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4 years ago

Graph the linear equation. x = - 9 help in any way u can please

Mathematics

1 answer:

alukav5142 [94]4 years ago

6 0

This is a vertical line that goes through all points with an x-coordinate of -9.

To graph it, I can give you a couple of points this line goes through so you can draw it more easily.

Points that are on line: (-9,0) and (-9,1)

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Without using tables or calculator, evaluate

seraphim [82]

<h2>Question:- Find the value</h2>

$\frac{ \sin(20 \degree) }{ \cos(70\degree) } + \frac{ \cos(35\degree) }{ \sin( 65\degree)}$

<h2>Answer-> </h2>

$\frac{ \sin(20 \degree) }{ \cos(70\degree) } + \frac{ \cos(35\degree) }{ \sin( 65\degree)}$

$\sin( \theta) = \cos(90 - \theta) \\ \\ \cos( \theta) = \sin(90 - \theta)$

So putting down the value

$\frac{ \cos(90 - 20 \degree) }{ \cos(70\degree) } + \frac{ \sin(90 - 35\degree) }{ \sin( 65\degree)}$

$\frac{ \cos(70\degree) }{ \cos(70\degree) } + \frac{ \sin(65\degree) }{ \sin( 65\degree)}$

$\frac{\cancel{\cos(70\degree)}}{ \cancel{\cos(70\degree)}} + \frac{\cancel{\sin(65\degree)}}{\cancel{\sin( 65\degree)}}$

$\frac{1}{1} + \frac{1}{1} \\ 1 + 1 = 2 \: \: ans$

7 0

3 years ago

Find the value of y.<br> A) 6√3<br> B) 6<br> C) 4

Valentin [98]

Answer:

.........................

8 0

3 years ago

pls help me sovle i cant heck this app and answer the test so i heck brainly to give me answer im seruos pls if i fail i die i h

Brums [2.3K]

Answer:

3/16

Step-by-step explanation:

you do length x width x height, and get 3/16

7 0

2 years ago

Traveling from San Antonio to Dallas, you fist pass through Austin and then Waco before reading Dallas, a total distance of 280

pshichka [43]

The answer is 70 miles.

If we express distances as following:
T - total distance
a - distance from <span>San Antonio to Austin
b - </span>distance from <span>Austin to Waco
c - </span>distance from <span>Waco to Dallas
Then:
T = 280 mi
b = a - 30 mi </span>⇒ a = b + 30<span>
b = c + 20 mi </span>⇒ c = b - 20<span>

T = a + b + c
</span>⇒ a + b + c = 280
⇒ b + 30 + b + b - 20 = 280
⇒ 3b +10 = 280
⇒ 3b = 280 - 10
⇒ 3b = 270
⇒ b = 90 mi.

Distance from <span>Waco to Dallas is c.
</span><span>c = b - 20
</span>⇒ c = 90 - 20
⇒ c = 70 mi

Therefore, distance from <span>Waco to Dallas is 70 miles.</span>

8 0

3 years ago

You are paid $82.59 for 7 1/2 hours at work. what is your rate of pay ?

german

$11.01 is your rate of pay

3 0

3 years ago