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2 years ago

Aa liner equation in two variables, x and y, is an equation that can be written in the form ____, where m and b are constants.

Mathematics

1 answer:

Ivanshal [37]2 years ago

7 0

Answer:

a linear equation normally looks like y = mx + b, where m and b are constants, x is the independent variable, y is the dependent variable.

Step-by-step explanation:

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Convert 0.0000.489 to scientific notation

Volgvan

I do not understand why there are two decimal places.
But either ways if you are asking for :
0.0000489 then it is 4.89*10⁻⁵
0.489 then it is 4.89*10⁻¹
The trick is to count the zeroes to the first actual significant number you see and then write the number you counted with a negative sign for your power.
I hope this helps!

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2 years ago

How does sec(x)-1/tan(x) + tan(x)/sec(x)+1 = 2sin(x)/1+cos(x)

vlabodo [156]

Answer in the attachment.

Used:

$\sec x=\dfrac{1}{\cos x}\\\\\tan x=\dfrac{\sin x}{\cos x}\\\\\sin^2x+\cos^2x=1\to\sin^2x=1-\cos^2x$

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2 years ago

Over time the value at property on 397 west lake street increased by 275. If the initial value of the property was p which expre

kari74 [83]

Answer:

Step-by-step explanation:

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2 years ago

June served 4/9 of fruit punch.how many liters does she have left

Sladkaya [172]

Just take 9/9-4/9=5/9, we get 9/9 because that is how much fruit punch that there was when the container was full. Enjoy!=)

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2 years ago

Read 2 more answers

Please help meee oh please

irakobra [83]

Collecting the data of this P.G., comes:

The 1st term $a_{1} = 648$ 
The 2nd term $a_{2} = 216$ 

The ratio $r = \frac {a2}{a1} 
$ 
The number of terms n = 8

The 8th term $a_{8} = ?$

The value of ratio, we have:
The ratio $r = \frac {a2}{a1}$
$r = \frac {a2}{a1} = \frac{216}{648} \frac{\div6}{\div6} = \frac{36}{108} \frac{\div6}{\div6} = \frac{6}{18} \frac{\div6}{\div6} \to\:r= \frac{1}{3}$

Applying the general term formula of P.G., comes:
 $a_{n} = a_{1} *r^{n-1}$
$a_{8} = 648 * (\frac{1}{3}) ^{8-1}$
$a_{8} = 648 * (\frac{1}{3}) ^{7}$
$a_{8} = 648 * \frac{1}{3^7}$
$a_{8} = 648 * \frac{1}{2187}$
$a_{8} = \frac{648}{2187}$
Simplify

$a_{8} = \frac{648}{2187} \frac{\div9}{\div9} = \frac{72}{243} \frac{\div9}{\div9} \to\: \boxed{\boxed{a_{8} = \frac{8}{27}}}\end{array}}\qquad\quad\checkmark$

Answer:
$\boxed{\boxed{a_{8} = \frac{8}{27}}}$

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3 years ago

Aa liner equation in two variables, x and y, is an equation that can be written in the form ____, where m and b are constants.​

Aa liner equation in two variables, x and y, is an equation that can be written in the form ____, where m and b are constants.