3 years ago

Select the solutions to the system of equations below? Not sure if I have this right. Thanks.

Mathematics

2 answers:

Igoryamba3 years ago

5 0

(2,0) and (8,18) are both correct answers. I checked all of the other solutions but found that they were all incorrect.

GarryVolchara [31]3 years ago

4 0

The two options you picked are indeed correct.

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Answer:

t = 0.77930

t = 1.2832

Step-by-step explanation:

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3 years ago

Corinne has a job selling magazines. She earns $7.50 per hour plus 20% of the total amount of her sales. She also gets an allowa

ra1l [238]

Earnings=20% of sales+7.5h+40

coeficinets are 7.5 and 0.2
vraiables are h and s
constant is 40

B. if h=25 and s=30 input,
7.5*25+0.2*300+40=$287.50

C
new equation is 9h+0.2s+40
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3 years ago

Isabel graphed the following system of equations.

igor_vitrenko [27]

Answer:

Step-by-step explanation:

Simplified the following system of equations into a linear equation.

Graphed (plot the points) the linear equation onto the graph.

To get the solution (2,-2) (x,y)she went positive 2 to the right and -2 down.

4 0

3 years ago

Need the steps too this

ruslelena [56]

The value of x is 9.

We have : - 25 = 7 - (5x - 13)

We have to find the value of x.

<h3>If f(x) = g(x), than what do you understand by true solution of this equation?</h3>

The true Solution of the equation is the value of x for which LHS = RHS.

For example - if ax + b = cx + d , then

ax - cx = d - b

x = $\frac{d-b}{a-c}$ is the true solution of the equation.

In the question given -

- 25 = 7 - (5x - 13)

- 25 = 7 - 5x + 13

5x = 45

x = 9

Hence, the value of x for which LHS = RHS is 9.

To solve more questions on finding unknown variable, visit the link below -

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2 years ago

Please show work<br> 26 lbs of onion cost $127.40. How much would 18 lbs cost\

Irina18 [472]

127.40/26 = $4.90 per pound
18 * 4.9 = $88.20
It would cost $88.20

5 0

3 years ago