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Anettt [7]
3 years ago
8

A hot air balloon is climbing at a constant rate into the sky. The equation y = 9x + 10 can be used to represent this situation,

where y is the height of the hot air balloon in feet above ground and x is the number of seconds the balloon has been climbing.
Mathematics
1 answer:
nordsb [41]3 years ago
4 0

Answer:

From the starting position of 10 feet above ground, the balloon is climbing 9 feet per second.

Step-by-step explanation:

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Question is not proper, Proper question is given below;

For a birthday party, Mr. Perkins orders 8 chocolate chip cookies and 16 sugar cookies. Each cookie is the same price. He also picks up a cupcake for himself, which costs $2.75. The total bill is $44.03. What is the cost of a cookie?

Answer:

The Cost of the cookie will be $1.72.

Step-by-step explanation:

Given:

Mr Perkins orders 8 chocolate chip cookies and 16 sugar cookies.

Since cost of both the cookies are same then Let us assume the cost of cookies be 'x'.

Total cost of the cookies = (8 + 16)x = 24x

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We need to find the cost of each cookies.

Now we know that Total bill he pays is equal to sum of Cost of cookies and Cost of Cup cakes he bought.

Framing in equation form we get;

44.03 = 24x + 2.75

Now Subtracting both side by 2.75 using Subtraction property we get;

2.75+24x-2.75 = 44.03 - 2.75\\\\24x = 41.28

Now Dividing both side by 24 using Division property we get;

\frac{24x}{24} = \frac{41.28}{24}\\\\x=1.72

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