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konstantin123 [22]

3 years ago

8

Gloria worked for 6 hours a day for 2 days at the bank and earned $114.24. How much did she earn per hour?

2 answers:

marysya [2.9K]3 years ago

4 0

$9.52 is the answer

Vesnalui [34]3 years ago

4 0

Well if she worked 6 hours a day for two days you would have to multiply to find the total hours:
6 * 2= 12 total hours worked
Since she earned $114.24 in total you would then divide total $ by total hours:
114.24/12 = 9.52
Therefore, Gloria earned $9.52 per hour

I hope this helps!

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Can you solve the system of equation using substitution y=x+8 <br> X+y=2

Vsevolod [243]

X + y = 2
Substitute x + 8 into y
x + x + 8 = 2
2x + 8 =2
(Subtract 8 from both sides)
2x = -6
(Divide both sides by 2)
x = -3

Subsitute x = -3 into either equation to find y
x + y = 2
-3 + y = 2
(Add 3 to both sides)
y = 2 + 3
y = 5

Or y can be solved for using:
y = x + 8
y = -3 + 8
y = 5

8 0

4 years ago

Rewrite in mathematical language. Every negative integer J is less than or equal to its inverse.

Luda [366]

Answer:

$-J \leq J$

Step-by-step explanation:

Given

Negative integer J

Required

Represent as an inequality of its inverse

The question didn't state if it's additive inverse or multiplicative inverse;

<em>Since the question has to do with negation, I'll assume it's an additive inverse</em>

<em></em>

The inverse of -J is +J

To represent as an inequality (less than or equal), we have:

$-J \leq +J$

Solving further, it gives

$-J \leq J$

3 0

3 years ago

Solve the inequality x/5-3<0

Kisachek [45]

Answer:

x < 15

Step-by-step explanation:

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7 0

3 years ago

Help please... <br>show work if you can<br>Thank you!!!

son4ous [18]

Just cut the piece into two and multiply all the sides

7 0

3 years ago

Read 2 more answers

the boundary of a rectangular farm field in ireland has a straight rock wall along one side and fences along its other three sid

Inessa [10]

Answer:

781250 $ft^{2}$

Step-by-step explanation:

Let y is the length of the farm field

Let x is the width of the farm field

Given that, no fencing is necessary along the rock wall, so we can find the perimeter of the farm is:

2x + y = 2500 feet

<=> y = 2500 -2x

The are of the farm has the following formula:

A = x*y

<=> A = x(2500 - 2x)

<=> A = 2500x -2 $x^{2}$

To have the maximum area of field in square feet, we need to use differentials to estimate:

$\frac{dA}{dx}$ = 2500 - 4x

Set $\frac{dA}{dx}$ = 0, we have:

2500 - 4x = 0

<=> x = 625 feet.

=> y = 2500 - 2*625 = 1250 feet

So the maximum area of field is:

A = x*y = 625*1250 = 781250 $ft^{2}$

7 0

4 years ago