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3 years ago

Question 2 11 + 5x = 5x + 20

Mathematics

1 answer:

julia-pushkina [17]3 years ago

7 0

Answer:

11+5x=5x+20

We move all terms to the left:

11+5x-(5x+20)=0

We get rid of parentheses

5x-5x-20+11=0

We add all the numbers together, and all the variables

-9!=0

There is no solution for this equation

Step-by-step explanation:

I saw it from Google

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NEED THE ANSWER ASAP! Find the measure of the missing angle X

jasenka [17]

Answer:

50°

In order to determine the unknown angle, be sure to use the total sum of 180° 

120° - 180°= 60° ( this give you the red side inside the triangle)

Then you simple add the two number inside the triangle

60° + 70° = 130°( then you use this to find the missing corner by subtracting from 180°)

180°- 130° = 50° this is your missing angle X"

To prove it simple add all the 3 angles inside the triangle add up to 180°

60° + 70° + 50° = 180°

X = 50°

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3 years ago

What number is 22% of 320? A.) 704 B.) 7040 C.) 7.04 D.) 70.4

irina1246 [14]

The answer would be

D.) 70.4

You're welcome :)

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3 years ago

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Write an algebraic expression for the word expression: the sum of x and 9

quester [9]

Answer:

x + 9

Step-by-step explanation:

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4 years ago

Ski Mountain sells lift tickets. Ski Mountain Sale Packages Number of Lift Tickets Total Cost Package A 3 $30 Package B 5 $60 Pa

LenaWriter [7]

Answer:

Packages A and C

Step-by-step explanation:

To find the ratio between the number of lifts to the cost we first remove the $ symbol and find out how much 1 lift will cost per package.

Package A = 3 : 30

Package B = 5 : 60

Package C = 12 : 120

Package D = 16 : 120

Now let's break it down.

Package A = 30/3 = $10 per lift

Package B = 60/5 = $12 per lift

Package C = 120/12 = $10 per lift

Package D = 120/16 = 7.5 per lift

So now we are able to know which packages have the same ratio.

Package A and C cost $10 per lift.

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4 years ago

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1/a+1/b=1/x solve for x

VashaNatasha [74]

Answer:

x = $\frac{ab}{b+a}$

Step-by-step explanation:

Given

$\frac{1}{a}$ + $\frac{1}{b}$ = $\frac{1}{x}$ ( express the sum on the left as a single fraction )

$\frac{b+a}{ab}$ = $\frac{1}{x}$ ( cross- multiply )

x(b + a) = ab ← divide both sides by (b + a)

x = $\frac{ab}{b+a}$

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4 years ago