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Andrej [43]
3 years ago
7

in addition to dog walking on Tuesday Eric made $45 dog sitting at one of his customers homes if he made $168 on Tuesday right i

n equation to find the number of dogs you walk that day
Mathematics
1 answer:
Rus_ich [418]3 years ago
8 0

Since we don't know how much Eric makes per dog, let's let <em>x </em>represent that value. Let's also let <em>y</em> represent our answer.

First, let's consider the two numbers we KNOW will be in the equation. The 56 that Eric made dog sitting and the 168 he made in total on Tuesday. Now, we're going to need to use subtraction and division in this equation.

(168 - 45) ÷ <em>x</em> = <em>y</em>


Hope this answer helped you out. :)

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A certain club has 10 members, including Harry. One of the 10 members is to be chosen at random to be the president, one of the
devlian [24]

Answer:

The probability that Harry will be chosen as either as Secretary or as treasurer but not as president out of those 10 members will be \frac{1}{5}.

Step-by-step explanation:

We have 10 members out of which one is Harry, we need to choose one of the 10 members as President, one to be as secretary out of the remaining 9, one  as the treasurer of the remaining 8 members.

We want harry to be as either as secretary or as treasurer. so we will consider both the cases

Probability is given by = No of favorable outcomes/ Total no of outcomes

(1) Harry as secretary : If harry is to be chosen as secretary then he can't be a president or he cant be a Treasurer

  As president = \frac{1}{10}

  Not as president = 1 - \frac{1}{10} = \frac{9}{10}

Now he is selected for the secretary so he can't be selected as treasurer.

Not as treasurer = 1

Probability for chosen as secretary = \frac{9}{10}*\frac{1}{9}*1  = \frac{1}{10}  

(2) Harry as treasurer : If harry is to be chosen as the treasurer so he can't be chosen as a President or as a Secretary.

Probability for not chosen as president = \frac{9}{10}

Probability for not chosen as secretary =  1-\frac{1}{9} = \frac{8}{9}

Probability to be chosen as treasurer = \frac{1}{8}

Probability to be chosen as Treasurer = \frac{9}{10}*\frac{8}{9}*\frac{1}{8} = \frac{1}{10}

Total probability for Harry to be chosen as either secretary or as treasurer will be = P(Secretary) +P(Treasurer)

           = \frac{1}{10} +\frac{1}{10}  = \frac{1}{5}

Therefore the probability that Harry will be chosen as either as Secretary or as treasurer but not as president out of those 10 members will be \frac{1}{5}.

7 0
3 years ago
HELP PLEASE I BEG
OverLord2011 [107]

Answer:

Juan invested $ 11,800 in Fund A and $ 7,200 in Fund B.

Step-by-step explanation:

Given that Juan invested $ 19000 in two mutual funds, and Fund A earned 7% profit during the first year, while Fund B earned 3% interest, if he received a total of $ 1042 profit, to determine how much she had invested in each mutual fund the following calculation must be performed:

19000 x 0.07 + 0 x 0.03 = 1330

15000 x 0.07 + 4000 x 0.03 = 1170

11000 x 0.07 + 8000 x 0.03 = 1010

11500 x 0.07 + 7500 x 0.03 = 1030

11800 x 0.07 + 7200 x 0.03 = 1042

Therefore, Juan invested $ 11,800 in Fund A and $ 7,200 in Fund B.

4 0
3 years ago
Simplify the expression and write out steps plz :)<br> (4- root3)(root7+ root2)
dybincka [34]
You can do this with foil
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O(outside terms of both factors first and last) 4*sqrt(2)
I (Inside terms 2nd and 3rd) = - sqrt(3) sqrt(7) = - sqrt(21)
L (Last term in each of the factors) - sqrt(3)*sqrt(2) = - sqrt(6)

Combine terms: 4*sqrt(7) + 4*sqrt(2) - sqrt(21) - sqrt(6) <<<< answer.
7 0
4 years ago
Wat da answer 4in 432
Vadim26 [7]
32 divided by 4? that would be 8.
8 0
3 years ago
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neonofarm [45]
The answer will be price per ounce.

This means price/ounce.

For example (not the answer):
A) $3.45 / 3.5oz = 0.99 dollars per oz
7 0
3 years ago
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