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Ratling [72]
3 years ago
8

Ayo who wants to help me out here (the question in the middle btw)

Mathematics
2 answers:
kherson [118]3 years ago
6 0

Answer:

c=0

Step-by-step explanation:

meriva3 years ago
5 0

Answer:

z = -3

Step-by-step explanation:

5z+3=-12

   -3   -3

5z=-15

/5    /5

z = -3

Hope this helps :)

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I need this please help me
ludmilkaskok [199]

9514 1404 393

Answer:

  L'(4, -3)

Step-by-step explanation:

The reflection over the horizontal line y=-1 effects the transformation ...

  (x, y) ⇒ (x, -2-y)

So, the coordinates of L are transformed to ..

  L(4, 1) ⇒ L'(4, -2-1) = L'(4, -3)

4 0
3 years ago
A chef plans to mix 100% vinegar with Italian dressing. The Italian dressing contains 12%
Hitman42 [59]

Answer:

Amount of  vinegar. 100% : 20 milliliters

Amount of  Italian dressing: 140 milliliters

Step-by-step explanation:

Let's call A the amount of  vinegar. 100%

Let's call B the amount of  Italian dressing . 12% vinegar

The resulting mixture should have 23%  vinegar, and 160 milliliters.

Then we know that the total amount of mixture will be:

A + B = 160

Then the total amount of pure antifreeze in the mixture will be:

A + 0.12B = 0.23 * 160

A + 0.12B = 36.8

Then we have two equations and two unknowns so we solve the system of equations. Multiply the first equation by -1 and add it to the second equation:

-A -B = -160

-A -B = -160

               +

A + 0.12B = 36.8

--------------------------------------

-0.88B = -123.2

B = \frac{-123.2}{-0.88}

B = 140\ milliliters

We substitute the value of B into one of the two equations and solve for A.

A + 140 = 160

A = 20\ milliliters

7 0
3 years ago
What is the slope and y-intercept of the graph?
ValentinkaMS [17]

Answer:

slope= -1

y-intercept = 24

Step-by-step explanation:

2x +2y=24

2x-24=-2y

divide by then u get:

-1x + 12= y

-1 is ur slope

<u>y-</u><u>intercept</u>

let x=0

y= -1(0)+12

y =0+12

y = 12

7 0
3 years ago
Read 2 more answers
What is the measure of ZBAC?
IceJOKER [234]

Answer:

80 degrees

Step-by-step explanation:

Sum of the interior angles of a triangle = 180

a + 50 + 50 = 180

a = 80

6 0
2 years ago
Mr. Robins earns a commission on each airfare he books. At the end of the day, he had booked $208.60 worth of airfare and earned
Marina86 [1]

Answer:

  15%

Step-by-step explanation:

His rate is ...

  rate = commission/sales · 100% = 31.29/208.60 · 100%

  rate = 15%

Mr. Robins' commission rate is 15% of bookings.

3 0
3 years ago
Read 2 more answers
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