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Inessa05 [86]
3 years ago
9

Andrew has a different cookie recipe that makes 28 cookies. He plans to have 21 guests at the party and wants each guest to have

plenty of cookies. If he triples the recipe, how many cookies would each guest receive?
Mathematics
1 answer:
joja [24]3 years ago
5 0

Answer: Since each recipe makes 28 cookies, tripling the recipe would give him 28(3) = 84 cookies.

Step-by-step explanation: <em>Since each recipe makes 28 cookies, tripling the recipe would give him 28(3) = 84 cookies. </em>

<em> </em>

<em>Then divide the total number of cookies by the number of guests:  84  21  = 4. Each person would get 4 cookies.</em>

<em> </em>

<em>This process can be modeled by the expressions 28(3) ÷ 21 and  </em>

<em>28(3) </em>

<em>21 </em>

<em>. This is because the fraction bar represents division.</em>

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makvit [3.9K]

Answer:

777

Step-by-step explanation:

3 0
3 years ago
The Deep Creek State Forest is a 380-acre state forest located 11 miles north of St. Augustine, Florida. The cottontail rabbit p
Aneli [31]

Answer:

By next September, the estimated population would be 284 cottontail rabbits

Step-by-step explanation:

The formula that express the growth of the rabbits is

Y = 175(2.7)0.05t

Y = number of rabbits

Where t = time in months.

The growth of the rabbits in 12 months would be. Since from one September to another equal 1 year which is 12 months.

Y = 175(2.7)0.05(12)

Y = 283.5 = 284 rabbits

The estimated population of cottontail rabbits by next September is 284 rabbits

8 0
4 years ago
The admission fee at an amusement park is $6.50 for children and $15.00 for adults. On a certain day, 337 people entered the par
DerKrebs [107]

Answer:

192 children and 145 adults were admitted.

Step-by-step explanation:

Let c represent the amount of children and let a represent the amount of adults.

Total fees for children = (Fee for one child) x (Amount of children) = 6.5c

Total fees for adults = (Fee for one adult) x (Amount of adults) = 15a

Total fees = Total fees for children + Total fees for adults

3423 = 6.5c +15a

We know that the amount of people who entered the park was 337. Therefore a+c=337, which means a=337-c.

Sub this in to the equation above to get:

3423 = 6.5c +15 (337-c)

3423 = 6.5c + 5055 - 15c

-1632 = -8.5c

c = 192

So there were 192 children.

Since a=337-c and c=192, a=337-192=145. So there were 145 adults.

5 0
3 years ago
Factorise fully the following:<br>a) x² + 2x<br>b) 2x² - 6x<br>c) 15x - 10x³<br>d) 9x² + 3x³​
Lostsunrise [7]

Answer:

a) x(x+2)

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d) 3x^2(3+x)

Step-by-step explanation:

a) x^2+2x

When factoring a binomial (a polynomial with two terms), what we will be looking for are the terms that are shared between them.

In this problem, it can be seen that both of these terms have and x. This means that we can factor it out to get

x(x+2)

b) 2x^2-6x

What are the common terms here?

It can be seen that each of these share a 2x, so our factored form would be

2x(x-3)

c) 15x-10x^3

What about this one?

The common factor of this one is 5x, so our factored form would be

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4 years ago
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