4w+500b=3478.80 elimination word problem

Answers

Answer 1
Answer:

If solving for w:

Factor out the common term
 44(w+125b)=3478.804(w+125b)=3478.80
Divide both sides by 4w+125b=869.7w+125b=869.7
Subtract 125b from both sidesw=869.7−125b

If solving for b:

Factor out the common term
 44(w+125b)=3478.804(w+125b)=3478.80
Divide both sides by 4w+125b=869.7w+125b=869.7
Subtract w from both sides125b=869.7−w125b=869.7−w
Divide both sides by 125b=(869.7-w)/(125)
Hope this helped :)




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-2x-6+(x/4)-3+90=180. Solve for x and show work.

Answers

so you want to add lik terms first
group them together
I have gropued the like terms using brackets
[-2x+(x/4)]+[-6-3+90]=180
add lik terms
add the number terms
-6-3+90=81
[-2x+(x/4)]+[81]=180
subtract 81 from both sides
-2x+(x/4)=99
add 2x to both sides
x/4=99+2x
multipliy both sides by 4 to clear fraction
x=396+8x
subtract 8x from both sides
-7x=396
mulitply both sides by -1
7x=-396
divide both sides by 7
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Find the value of the expression 3m2 2p2 − 15 when m = 3 and p = 10.

Answers

I think you want to say the expression 3m2+2p2-15. The only thing you need to do is to replace the letter with the number. So the expression is 3*3^2+2*10^2-15=212.

Which triangle with side lengths given below is a right traingle

Answers

Where is the triangle?
You know it is a right triangle if it has a right angle in it.

a camera droppeed from a boat descends 9 meters every minute. What will be the change in location of the camera afterb5 minutes?

Answers

Well, if it descends 9 meters every minute, you would multiply 9 by the number of minutes in question. Since you want to know its location after 5 minutes, you would multiply 9 by 5.

9 x 5 = 45 so 45 meters after 5 minutes

Hope this helps :)
The first thing to do is to turn this into an equation: 
If minutes= m and distance = d
d = 9m

Since you want to know how far the camera goes after 5 minutes: 
m = 5
d = 9 X 5 
d = 45

After 5 minutes, the camera has dropped 45 meters.

15 3/5 % written as a fraction in simplest form.

Answers

Okay so first what you would do is figure out what 3/5 is as a decimal so you would divide 3 by 5 which is 0.6 so the percentage is 15.6%

Next turn it into a fraction which would be 15.6/1

Then multiply the numerator and denominator by 10

15.6= 15.6/1= 156/10

then to put it in simplest form divide 10 by 156 and that would be 15 and 6/10

hope this helped (;

For ΔABC, the measure in degrees of angles A, B, and C are 60, 55, and x + 20 respectively. What is the value of x?

Answers

Answer:

Step-by-step explanation:

All sides of a triangle equel 180 degrees, so 180-60-55=115. 180-115 is 65. 65-20-45. Hope this works!

Ok x = 45 because 180-60-55-20 = 45