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zepelin [54]
3 years ago
10

4) Solve Ax + By = C, for y

Mathematics
2 answers:
irina1246 [14]3 years ago
4 0

Answer:Ax + By = C

-ax -ax

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

By = -Ax + C

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

B B

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

y = -Ax + C

----------

B

Step-by-step explanation:

raketka [301]3 years ago
3 0

Answer:

y=c/b-ax/b

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

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-0.6 irrational or rational ​
nydimaria [60]

Answer:

Rational

Step-by-step explanation:

If you can write it as a fraction (=ratio), it is rational.

-6/10 = -0.6

4 0
4 years ago
Cos (x + π/ 3) + cos (x - π/ 3) = 1 Solve for "x" on the interval [0, 2pi)
kenny6666 [7]
\bf cos\left( x+\frac{\pi }{3} \right)+cos\left( x-\frac{\pi }{3} \right)=1\\\\
-----------------------------\\\\\
[cos(x)cos\left( \frac{\pi }{3} \right)\underline{-sin(x)sin\left( \frac{\pi }{3} \right)}] 
+ [cos(x)cos\left( \frac{\pi }{3} \right)\underline{+sin(x)sin\left( \frac{\pi }{3} \right)}]=1
\\\\\\

\bf cos(x)cos\left( \frac{\pi }{3} \right)+cos(x)cos\left( \frac{\pi }{3} \right)=1\implies 2cos(x)cos\left( \frac{\pi }{3} \right)=1
\\\\\\
2cos(x)\cdot \cfrac{1}{2}=1\implies cos(x)=1\implies \measuredangle x=cos^{-1}(1)
\\\\\\
\measuredangle x = 
\begin{cases}
0\\
2\pi 
\end{cases}
8 0
4 years ago
Find the distance between points A (10,-1) and B (-2,5). Round to the nearest tenth
bija089 [108]

Answer:

<h2>The answer is 13.4 units</h2>

Step-by-step explanation:

The distance between two points can be found by using the formula

d =  \sqrt{ ({x1 - x2})^{2}  +  ({y1 - y2})^{2} }  \\

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

A (10,-1) and B (-2,5)

The distance is

|AB|  =  \sqrt{ ({10 + 2})^{2} +  ({ - 1 - 5})^{2}  }  \\  =  \sqrt{ {12}^{2}  +  ({ - 6})^{2} }  \\  =  \sqrt{144 + 36}  \:  \:  \:  \:  \:  \:  \:   \\  =  \sqrt{180}  \\  = 6 \sqrt{5}  \:  \:  \\  =13.416407

We have the final answer as

<h3>13.4 units to the nearest tenth</h3>

Hope this helps you

7 0
3 years ago
Write an integer that represents this scenario:<br><br> 18-point gain
masya89 [10]

Answer:

+18

Step-by-step explanation:

A gain is a positive number

+18

4 0
3 years ago
Read 2 more answers
What is the direct variation equation if y varies directly with x and y = –9 when x = –45?
alekssr [168]
Direct variation equation is y = kx ; k is the constant of variation.

y = -9
x = -45

-9 = k(-45)
-9/-45 = k
1/5 = k

y = 1/5x  CHOICE A.

7 0
3 years ago
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