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Citrus2011 [14]
3 years ago
8

Benjamin finds 31 pinecones. Together Jenna and Ellen find the same number as Benjamin. How many pinecones could each girl have

found?
Mathematics
2 answers:
Neko [114]3 years ago
8 0

Answer:

Step-by-step explanation:

1) Write the Equation: 31/2 = how many pine cones Jenna and Ellen found.

2) Solve 31/2= 15.5

So each girl found 15 and a half pine cones. Or one girl found 15 and the other found 16. If you want to have each girl find an even amount.

Hope this helps!!

scZoUnD [109]3 years ago
3 0
15.5 pine cones each
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Employees were asked how many times per week they exercised. The frequency table shows the results of the survey.
wlad13 [49]

Answer:

See explanation

Step-by-step explanation:

Given the frequency table

\begin {array}{cccccccccc}\text{Number}&0&1&2&3&4&5&6&7&8\\ \\\text{Frequency}&5&10&2&9&33&12&15&3&1\end{array}

a) The total sum is

5+10+2+9+33+12+15+3+1=90

Create a probability distribution table

\begin {array}{cccccccccc}\text{Number}&0&1&2&3&4&5&6&7&8\\ \\\text{Probability}&\dfrac{5}{90}&\dfrac{10}{90}&\dfrac{2}{90}&\dfrac{9}{90}&\dfrac{33}{90}&\dfrac{12}{90}&\dfrac{15}{90}&\dfrac{3}{90}&\dfrac{1}{90}\end{array}

b) The probability

P(x

c) The probability

P(x=6)=\dfrac{15}{90}=\dfrac{1}{6}

d) The probability

P(x\ge 5)=P(x=5)+P(x=6)+P(x=7)+P(x=8)=\dfrac{12}{90}+\dfrac{15}{90}+\dfrac{3}{90}+\dfrac{1}{90}=\dfrac{31}{90}

4 0
4 years ago
Consider the multivariable function f\left(x,y,z\right)=\frac{x^3-2.5y^2+\frac{z}{2}}{z\left(x-y\right)}f ( x , y , z ) = x 3 −
Lelu [443]

Answer:

f\left(2,3,1\right)=\bold{14}

Step-by-step explanation:

Given the function:

f\left(x,y,z\right)=\frac{x^3-2.5y^2+\frac{z}{2}}{z\left(x-y\right)}

To find:

The value of f(2, 3, 1) = ?

Solution:

f(2, 3, 1) means the values of x, y\ and\ z as:

x=2\\y=3\\z=1

Let us put the given values in the given function and let us solve for it:

\Rightarrow f\left(2,3,1\right)=\dfrac{2^3-2.5\times 3^2+\frac{1}{2}}{1\left(2-3\right)}\\\\\Rightarrow f\left(2,3,1\right)=\dfrac{8-2.5\times 9+0.5}{1\left(-1\right)}\\\\\Rightarrow f\left(2,3,1\right)=\dfrac{8-22.5+0.5}{-1}\\\\\Rightarrow f\left(2,3,1\right)=\dfrac{-14}{-1}\\\\\Rightarrow f\left(2,3,1\right)=\bold{14}

Therefore, the answer is:

f\left(2,3,1\right)=\bold{14}

8 0
3 years ago
Choose the prime number from the list and write it in the blank - 21 33 47 78
12345 [234]
47 is the prime number
3 0
4 years ago
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Which property is demonstrated by the following statement? 15 + w +(– 12) = 15 – 12 + w
Alisiya [41]
<h3>Answer:</h3>

All real numbers are solutions.

Step-by-step explanation:

Let's solve your equation step-by-step.

15+w−12=15−12+w

Step 1: Simplify both sides of the equation.

15+w−12=15−12+w

Simplify: (Show steps)

w+3=w+3

Step 2: Subtract w from both sides.

w+3−w=w+3−w

3=3

Step 3: Subtract 3 from both sides.

3−3=3−3

0=0

i hope i helped

5 0
3 years ago
Which expression is equivalent to x^-5/3?
notka56 [123]

Answer:

cant see the link :(

Step-by-step explanation:

4 0
3 years ago
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