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3 years ago

a dozen of donuts cost 8.76 dollars. Based on the cost of a dozen donuts, what is the price per donut.

Mathematics

1 answer:

yanalaym [24]3 years ago

3 0

Answer:

0.73$

Step-by-step explanation:

There is 12 in a dozen and 8.76$ divided by 12 would equal 0.73$ for the unit price.

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Alussa took a math test with 20 questions

anastassius [24]

Answer:

Step-by-step explanation: 100 divided by 20 is 5 therefore, each question is worth 5%. take how many questions she got right and multiply by 5. then determine if her score is less than or greater then 90%.

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3 years ago

1. Which would be a more helpful for solving the system: adding the two equations or subtracting

ira [324]

Answer:

1) Subtracting one from the other

2) x = 0.375 and y = 0.125

Step-by-step explanation:

Equation 1 :

$\frac{2x+1}{2y}=7\\\\$

Equation 2:

$\frac{6x-1}{2y}=5$

To solve these equations by the Elimination method we multiply equation 1 with 6 and multiply equation 2 with 2 so now,

$\frac{2x+1}{2y} =7\\\\2x+1=14y\\\\Multiplying\ Equation\ 1\ with\ 6\\\\12x+6=84y$

Now for the second equation:

$\frac{6x-1}{2y}=5\\\\6x-1=10y\\\\Multiplying\ equation\ 2\ with\ 2 \\\\12x-2=20y$

Now subtracting equation 2 from equation 1

$12x+6=84y\\\\12x-2=20y\\\\Subtracting\ leads\ to\\12x-12x+6-(-2)=84y-20y\\0+8=64y\\8=64y\\8/64=y\\0.125=y$

now insert this value of y into any equation

lets insert it into equation 1

$\frac{2x+1}{2y} =7\\\\2x+1=14y\\2x+1=14(0.125)\\2x+1=1.75\\2x=1.75-1\\2x=0.75\\x=0.75/2\\x-0.375$

5 0

2 years ago

the mean of normally distributed test scores is 80 and the standard division is 5. If there are 186 test scores in the data samp

Marizza181 [45]

Answer:

Step-by-step explanation:

score 75 is one standard dev below the mean ====>to the mean encompasses approx 34% of scores

.34 * 186 = 63

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2 years ago

A rectangular swimming pool is 15 meters long, 11 1/2 meters wide, and 1 1/2 meters deep. What is its volume?

-BARSIC- [3]

258 3/4 cubic meters

Explanation:
Use this formula for volume of rectangular prism: length x width x height

In this case it would be:
15 • 11 1/2 • 1 1/2 = 258 3/4

VOLUME= 258 3/4 cubic meters

Com.ment me if u have any questions
If my answer is correct, braibliest please!
-SpaceMarsg, have a nice day :DD

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3 years ago

Suppose the probability of success in a binomial event is 0.15. what is the probability of failure

Verdich [7]

Answer:

Step-by-step explanation:

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2 years ago

a dozen of donuts cost 8.76 dollars. Based on the cost of a dozen donuts, what is the price per donut.​

a dozen of donuts cost 8.76 dollars. Based on the cost of a dozen donuts, what is the price per donut.