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erik [133]
3 years ago
10

Square root of 3x+7=x-1

Mathematics
1 answer:
padilas [110]3 years ago
7 0

Answer:

you can't find the square root of a negative

Step-by-step explanation:

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All of the following are equivalent except<br> (4)<br> 4+ y<br> 4. y<br> 4 у
wolverine [178]

plzzz brainliest

Answer:

the answer is b. 4+y

Step-by-step explanation:

all the other options are just expressing 4 in different ways

5 0
3 years ago
Read 2 more answers
Pete works in road construction as a grader operator. His regular work week is
GuDViN [60]

If Pete works for  45.25 hours during the week and 5.75 hours on Saturday, his earning will be]$981.68

From the question, Pete's regular work week is 40 hours and his regular salary is $15.77/h.

To determine how much Pete will make if he works 45.25 hours during the week and 5.75 hours on Saturday,

If he worked 45.25 hours during the week, then he has worked 5.25 hours overtime, since his regular work week is 40 hours.

From the question, he earns time and a half for overtime hours worked during the week (Monday to Friday), that is,

∴ For working 5.25 hours overtime, he will earn for 5.25hours × 1.5 = 7.875 hours

Also, from the question, he earns double time and half if he has to work on a Saturday

∴ For working 5.75 hours on Saturday, he will earn for 5.75 hours × 2.5 = 14.375 hours

Since his regular salary is $15.77/h,

Therefore, Pete will earn

40 × $15.77 = $630.8 (for his regular work week)

7.875 × $15.77 = $124.18875 (for overtime hours worked during the week)  

and 14.375 × $15.77 = $226.69375 (for working on Saturday)

Hence,  if Pete works for  45.25 hours during the week and 5.75 hours on Saturday, his earning will be $630.8 + $124.18875 + $226.69375 = $981.6825 ≅ $981.68

Learn more here: brainly.com/question/19054648

8 0
3 years ago
A farmer is comparing the number of eggs laid by two hens. The first hen laid 8 eggs per week for x weeks. The second hen laid 9
CaHeK987 [17]

Answer:

8x > 9y

Step-by-step explanation:

Since the first hen laid 8 eggs a week, the amount of eggs can be represented by 8x.

The second hen laid 9 eggs a week, so it can be represented by 9y.

The first hen laid more eggs than the second hen, so use a greater than inequality.

Put this all together:

8x > 9y represents this relationship

5 0
3 years ago
Short way to solve system of equations by elimination
elena-14-01-66 [18.8K]

Answer:

<em>To solve system of equation by elimination, check if the values of x or y are lined up and have the same value.</em>

Or if the are not, take the numbers in x or y to multiply. Use the first to multiply the second equation and the second to multiply the first equation

<em>E</em><em>xample is, for the first step which is in italic form is</em>

<em>          2x + 3y =64...equation 1</em>

<em>           2x - 6y = 75...equation 2</em>

you can just eliminate for x by taking away equation 2 from equation 1

Or for step two which is in light form is

        4x + 3y =64...equn 1

        3x + 7y =80...equn2

to eliminate x, multiply equation 1 by 3 and equation 2 by 4

it will be   12x +12y =192

                 12x +28y =320

now you can solve.

Thanks

6 0
3 years ago
Sam drove 6 1/2 hours on Saturday and 8 2/3 hours on Sunday. How much longer was his drive on Sunday than on Saturday?
Schach [20]
Based on the phrase "how much longer" this is going to be a subtraction problem
8 2/3 - 6 1/2
Steps:
1. Find the least common denominator. Both 3 and 2 have a multiple of 6
2. Multiply 2/3 by 2 (numerator and denominator) and 1/2 by 3 to get an overall denominator of 6
8 4/6 - 6 3/6
3. Now you can do basic subtraction. Subtract the whole numbers
           8-6= 2
 4. subtract the numerators
        4-3=1
Answer is 2 1/6
5 0
3 years ago
Read 2 more answers
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