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Alinara [238K]
3 years ago
6

The value of coin A is twice the value of coin B. Together, the total value of the two coins is $27.00 What is the value of each

coin ?
Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
5 0

Answer:

27÷2=$13.50

Step-by-step explanation:

Easy

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40 POINTS <br><br> please answer me this question with an explanation
user100 [1]

Answer:

(16/3,-4)

Step-by-step explanation:

  1. y=-3/4x & y=3/2x -12
  2. then solve for x which means -3/4x=3/2x-12
  3. then the value of x=16/3
  4. put the x value in one equation
  5. y=3/4(16/3)
  6. then the value of y=-4
4 0
2 years ago
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A shipping company charged $15 to ship a package and 5% to insure the package. What was the total cost to ship this particular i
Crank
The shipping would be 15.75 because 5% of 15 is 0.75, so add 15 to 0.75 and the answer is 15.75 :)
5 0
3 years ago
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I need help on this question, someone please help!!
Tju [1.3M]

Answer:

y=−x−1/3x−8

Step-by-step explanation:

y=8x−1/3x+1

To find the inverse function, swap x and y, and solve the resulting equation for x.

If the initial function is not one-to-one, then there will be more than one inverse.

So, swap the variables: y=8x−1/3x+1 becomes x=8y−1/3y+1.

Now, solve the equation x=8y−1/3y+1 for y.

y=−x−1/3x−8

Sorry I was in a rush and couldn't do the fractions as formulae. Hope it helped anyways.

7 0
3 years ago
Write the equation of the line in fully simplified slope-intercept form.
fiasKO [112]

y = -\frac{1}{2}x - 1

Step-by-step explanation:

Let's pick two points on the line: P_1(-4, 1) and P_2(2, -2). Let's calculate the slope of this line using these points:

m = \dfrac{y_2 - y_1}{x_2 - x_1} = \dfrac{-2 - 1}{2 - (-4)} = -\dfrac{1}{2}

With this value of the slope, we can write the general slope-intercept form of the equation as

y = -\frac{1}{2}x + b

To solve for the y-intercept b, let's use either P1 or P2. I'm going to use P2:

-2 = -\frac{1}{2}(2) + b \Rightarrow b = -1

Therefore, the slope-intercept form of the equation is

y = -\frac{1}{2}x - 1

6 0
2 years ago
10–{22–[(−9)+(−11)]} help i'M HAVING A bad day :( fix it
fredd [130]

Answer:

-32

Step-by-step explanation:

10–{22–[(−9)+(−11)]}

Work inside out

10–{22–[(-20)]}

Subtracting a negative is adding

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10 - 42

-32

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