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Greeley [361]
2 years ago
5

Sophie has 7 cookies she wants to share equally with ten friends at her party. Part A If she separates all of the cookies and gi

ves each friend an equal amount, how much cookie will each friend receive? Part B If Sophie wanted to give each friend 1 1/2 cookies, how many more cookies would she need?
Mathematics
1 answer:
STatiana [176]2 years ago
7 0

Answer:

Each friend gets 0.7 cookie

8 cookies

Step-by-step explanation:

A.

Number of cookies = 7

Number of friends = 10

how much cookie will each friend receive?

Number of cookie each friend get = number of cookies / number of friends

= 7/10

= 0.7 cookie

Each friend gets 0.7 cookie

B.

If each friend 1 1/2 cookies

how many more cookies would she need?

Total number of cookies needed = 1 1/2 × 10

= 3/2 × 10

= 30/2

= 15 cookies

She already has 7 cookies

Number of cookies needed more = 15 cookies - 7 cookies

= 8 cookies

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max2010maxim [7]

GIVEN

1) Females outnumber males by 3 to 2.

2) There are 1770 people in the city.

SOLUTION

Let the number of males be x and the number of females y. Therefore, the total number of people can be written to be:

x+y=1770\text{   -----------(1)}

If there are 3 females for every 2 males, we have that:

\begin{gathered} \frac{y}{3}=\frac{x}{2} \\ \therefore \\ x=\frac{2y}{3}\text{   ----------(2)} \end{gathered}

We can substitute equation (2) into equation (1) and solve for y:

\begin{gathered} \frac{2}{3}y+y=1770 \\ \frac{2y+3y}{3}=1770 \\ 5y=1770\times3 \\ 5y=5310 \end{gathered}

Dividing both sides by 5, we have

y=1062

There are 1062 females in the county.

3 0
1 year ago
The larger of two numbers is 11 more than twice the smaller. The sum of the is 1 less than seven times the smaller. Find the num
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I think L=17 and S=3
3 0
3 years ago
Show your work in the comments below and the answer choice
murzikaleks [220]

Answer: D

Step-by-step explanation:

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A = 2(15 + 21 + 35)

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3 years ago
Y=4x^3+3x^2-2x+9.<br>=&gt; y'=?​
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Step-by-step explanation:

y'=dy/dx=d/dx(4x³+3x²-2x+9)

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y'=12x²+6x-2

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306$ he will make...
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