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aalyn [17]
2 years ago
13

SOMEONE PLZ HELP ME!!!!

Mathematics
1 answer:
zheka24 [161]2 years ago
6 0

Answer:

I rlly don't know.

Step-by-step explanation:

Ask ur math teacher for help.

I hope this helps u out!

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Can someone please help with this?
IrinaVladis [17]

Answer:

x= -2, x = 5

Step-by-step explanation:

\sqrt{5x+11}-1=x

\sqrt{5x+11}=x+1

5x+11=(x+1)^2

5x+11=x^2 + 2x + 1

0=x^2 + 2x + 1-5x-11

0=x^2 -3x-10

0=(x+2)(x-5)

x= -2, x = 5

3 0
3 years ago
Read 2 more answers
Two mechanics worked on a car. The first mechanic to work for 5 Hours in the second mechanic work for 15 Hours. Together they ch
Butoxors [25]
<h2>Hello!</h2>

The answers is:

The first mechanic's rate is $70 per hour.

The second mechanic's rate is $110 per hour.

<h2>Why?</h2>

Let's write the given information in order to make the equations that will help us to solve this problem.

Let be "x" the first mechanic's rate and "y" the second mechanic's rate, so:

If the first mechanic worked for 5 hours and the second mechanic worked for 15 hours, and the together charged a total of $2000.

5x+15y=2000

Also, we know that the sum of the two rates was $170 per hour, so:

x+y=180

Then, isolating "x" and replacing it into the first equation, we have:

x=180-y

5(180-y)+15y=2000

900-5y+15y=2000

10y=2000-900

10y=1100

y=\frac{1100}{10}=110

So, the second mechanic's rate is $110 per hour.

Now, to calculate the first mechanic's rate we need to replace "y" into the second equation:

x+y=180\\x+110=180\\x=180-110=70

So, the first mechanic's rate is $70 per hour.

Have a nice day!

7 0
2 years ago
What is the value of x in the diagram?
cestrela7 [59]

Answer:

x = 5

Step-by-step explanation:

x² + (2x+2)² = (2x+3)²

x² + 4x² + 8x + 4 = 4x² + 12x + 9

x² - 4x - 5 = 0

(x - 5)(x + 1) = 0

x = -1  This can be discounted as the answer because you cannot have a negative length

answer: x = 5

5 0
3 years ago
it takes shonda 2/5 of an hour to dry one load of laundry in her dryer. How many hours will it take her to dry 5 loads of laundr
horrorfan [7]

2 hours Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
20 points!
kirza4 [7]
728/4= 182

182 estimated is 199.
3 0
3 years ago
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