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sukhopar [10]
3 years ago
14

HELP!

Mathematics
1 answer:
borishaifa [10]3 years ago
3 0

Answer:

  • a) j+c=310; j-c=40
  • b) (j, c) = (175, 135)
  • see attached
  • Jose earned $175; Camden earned $135

Step-by-step explanation:

Let j and c represent Jose's and Camden's earnings, respectively.

(a) One equation can be written for the total; another for the difference:

  j + c = 310 . . . . their total earnings

  j - c = 40 . . . . . the difference in their earnings

__

(b) It is convenient to add these two equations to eliminate c:

  (j +c) +(j -c) = (310) +(40)

  2j = 350

  j = 175

Then c can be found as ...

  c = j -40 = 175 -40 = 135

The solution is (j, c) = (175, 135).

__

(c) Using x for j, and y for c, we can use Desmos to graph the equations. The result is attached.

__

(d) Jose earned $175 over the summer; Camden earned $135.

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tankabanditka [31]

<em>3,2</em>

Step-by-step explanation:

Reflection across the x-axis:

(x,y) -> (x,-y)

In other words, you want to <u>change the sign of the y</u>.

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4 0
3 years ago
Frieda worked 26 hours 13 minutes last week. She earns $18.75 per hour. What is Frieda's pay for this work period? Round your an
Leya [2.2K]

Answer:

$491.56

Step-by-step explanation:

Total number of hours worked by Frieda = 26 hours 13 minutes

lets convert 13 minutes to hour

60 minutes = 1 hour\

1 minutes = 1/60 hours

13 minutes = 13/60 hours

Thus,

Total number of hours worked by Frieda = (26 + 13/60) hours

In 1 hours Freida earns =  $18.75

in  (26 + 13/60) hours Frieda earns =  $18.75((26 + 13/60)) = 487.5 + 4.06

in  (26 + 13/60) hours Frieda earns = $491.56  (Answer)

4 0
3 years ago
I don't know how to solve this
sergiy2304 [10]
The answer that I got was side  WX = 12 inches

It says that WY is congruent to XY which means that they are the same. That means that XY is also 3m-4. It also says that the perimeter of the triangle is 76 inches.

With this information I set up an equation:

3m-4 + 3m-4 +m = 76

(The number on the right side is the perimeter given to us in the problem and the numbers on the left side are the 3 side lengths).

I combined like terms on the left side and ended up with:

7m-8=76 

I added 8 to both sides of the equation and got 7m=84.

Finally I divided both sides by 7 and got m=12

m is equivalent to side WX..

Hope this helps!
4 0
4 years ago
the price of an antibiotic in one drugstore is $19.50 and $16.25 in another write the ratio of the prices
damaskus [11]
Remember that ratios are essentially fractions without fraction bars...

If they asked to find the ration of 19.50 to 16.25 you would set them up like so....

19.50 : 16.25      -----> since fractions can be simplified so can ratios in the same manner

the ratio you would end up with is <u>6 : 5</u><u />   

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I hope this helps! :D

<u>Please vote me for Brainliest if there is a second answer! </u>
8 0
3 years ago
Write an equation of the line in standard form.
Andreyy89

Answer:

Ok to make this easier for us we should switch these equations into y=mx+b so that it's easier for us to identify the slope and y-intercept:

to switch into y=mx+b form do this:

3x-y=5

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2y-15x=8

2y=8+15x

y=4+7 1/2x

y=7 1/2x+4

THe slope of any line in y=mx+b form is m. Therefore in this equation:

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since 3 is our slope and 4 is our y intercept the equatuon is :

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NOw all we need to do is move this into standard form:

y=3x+4

-3x+y=4

-3x+y=4 is your final answer

-hope this helped

Step-by-step explanation:

8 0
3 years ago
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