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jekas [21]
2 years ago
11

Now Cathy is three times as old as Katie. In six years Cathy will be only twice as old as Katie. How old is each girl now?

Mathematics
1 answer:
klasskru [66]2 years ago
5 0

Answer:

6 and 18

6+6=12

18+6=24

12x2=24

Unless a number is given it is mainly trial and error so guessing numbers that fit the first part of Ax3=B

Step-by-step explanation:

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Predict The cost of a school photo package includes $40 for the photo shoot, plus the
Alex_Xolod [135]

Answer:

1. Linear; 2. C = 2.50x + 40  

Step-by-step explanation:

1. Prediction

Yes, it is a linear function, because each additional photo adds the same amount to the cost.

2. Equation

         Let C = the cost of the photo package

         and x = the number of photos

Then 2.50x = the cost of the photos

    And $40 = cost of photo shoot

      Then C = 2.50x + 40

The figure below shows that the graph of your equation is a straight line.

4 0
2 years ago
I need help...Idk what to do because this is all it gave me.
elixir [45]

Answer:

69

Step-by-step explanation:

A hexagon has 720 degrees in total. You add allthe numbers which is 513 degrees. Then you subtract them which is 207 degrees. Finally you divide 207 by 3 which is 69 :)

8 0
3 years ago
The sales price of an LCD TV is $280, representing 30% off the regular price. What is the original price?
musickatia [10]

Answer:

$400

Step-by-step explanation:

Let 'p' represent the original price, the 'p-0.3p' represents the sale price:

280 = p - 0.3p .

Solving for 'p' we have p=400.

The original price of the television was $400

4 0
3 years ago
7 times b reduced by the square of c?
alisha [4.7K]

Answer:

7b-c²

Step-by-step explanation:

7times b is 7b reduced by the square of c means minus c²

3 0
2 years ago
Please guys help me. I will give you the brainliest if you give me the correct answers. ​
andrey2020 [161]

Answer:

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Step-by-step explanation:

3 0
3 years ago
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