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kenny6666 [7]
3 years ago
5

A bakery sells 10 peanut butter cookies for a total of $7.00. Find the unit rate​

Mathematics
1 answer:
mariarad [96]3 years ago
6 0

Answer: $0.70 per cookie

Which is the same as saying 70 cents per cookie

=============================================================

Explanation:

The unit rate is the cost of one cookie. The term "unit" means "one".

10 cookies = 7 dollars

10/10 cookies = 7/10 dollars ...... divide both sides by 10

1 cookie = 0.70 dollars

Since one cookie costs $0.70, the unit rate is $0.70 per cookie or you can say 70 cents per cookie.

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A country's population in 1992 was 72 million. In 1998 it was 76 million. Estimate the population in 2012 using the exponential
stepan [7]
We assume the annual percentage increase is the same. We will work out the constant k using the formula

We have
P = 76
A = 72
t = 6 years (from 1992 to 1998)

Substitute into the formula
76=72e^{6k}
\frac{76}{72}=e^{8k}
Take log both sides give
ln( \frac{76}{72})=ln(e^{6k})
0.05406722127=6k
k=0.009

We can now work out the number of population by the end of 2012 using the formula

We have
A = 72 million
k = 0.009
t = 10 years (1992 to 2012)

P=72e^{0.009*10}P=78.78≈79 million


7 0
3 years ago
Answer for points<br> 3(3x3)(45x6)(45x7)(56x5)(5x5)x0
8090 [49]

Answer:

0

Step-by-step explanation:

3(3x3)(45x6)(45x7)(56x5)(5x5)x0 =0

8 0
2 years ago
Read 2 more answers
This helicopter has a rotor that moves at a rate of 600 spins per minute while flying. Which statement is supported by this info
jeka57 [31]

Answer: d. The helicopter rotor will spin 36,000 times in 1 hour

Step-by-step explanation:

Option A is wrong because in 40 minutes the rotor will spin:

= 40 * 600

= 24,000 times

Option B is wrong because we cannot know the number of times the rotor will spin before being lifted off of the ground with the details given.

Option C is wrong because in 3 hours the rotor will spin:

= 600 * 3 * 60 minutes

= 108,000 times

Option D is correct because in 1 hour the rotor will spin:

= 600 * 1 * 60 mins

= 36,000 times

5 0
3 years ago
Calculate the slope between the two points: (7, –4), (7, 8)
Valentin [98]

Answer:

undefined

Step-by-step explanation:

We can find the slope by using the formula

m = (y2-y1)/(x2-x1)

m = (8 - -4)/97-7)

   = (8+4)/(7-7)

   = 12/0

We cannot divide by 0 so the slope is undefined

7 0
3 years ago
Find the slope containing the points (3,7) and (-4,10)
melisa1 [442]

The formula of find the slope is -0.4285

use y2 - y1 over x2-x1

3 0
3 years ago
Read 2 more answers
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