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lesya692 [45]
2 years ago
9

The length of a pencil is 7½ inches. What is the combined length of 9 pencils that are this size?

Mathematics
2 answers:
Leya [2.2K]2 years ago
7 0

Answer:

7in

Step-by-step explanation:

xxMikexx [17]2 years ago
3 0

Answer:

67.5

Step-by-step explanation:

7.5 (the lenght of the pencil) multiplied by 9 (the number of pencils) is 67.5

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<u><em>≡ We know that:</em></u>
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⇔ (x_{2},y_{2}) → (3,-1)

<u><em>≡ Solution:</em></u>
⇒ \sqrt{[(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}]}
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⇒ \sqrt{[49+16]}
⇒ \boxed{\sqrt{65}}
7 0
3 years ago
Read 2 more answers
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Nutka1998 [239]

Answer: Picking the first option and constantly adding on and on you will eventually make way more than what the second option proposes, therefore picking the first option is the obvious choice.

Step-by-step explanation:

Well let’s see it starts off slow for instance 1, 2, 4, 8, 16 and so on adding that on for a month will eventually leave you with more.

4 0
2 years ago
You purchase a cell phone for $125. the value of the cell phone decreases by about 20% annually. write a function at models the
djverab [1.8K]
F(x)=125-(125*0.2x)
to find the value of the phone after 3 years, you put x=3.
f(3)=125-(125*0.2(3))
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5 0
3 years ago
When jeremy gets his allowance he agrees to save part of it his savings and expenses are in the ratio of 7:5 if his daily allowa
nignag [31]

He saves $ 1.75 each day from his allowance.

<u><em>Explanation</em></u>

The ratio of his savings and expenses is  7 : 5

Lets assume, his savings = 7x dollar and his expenses is 5x dollar

Given that, his daily allowance is $3. So....

7x+5x=3\\ \\ 12x=3\\ \\ x=\frac{3}{12}= \frac{1}{4}= 0.25

So, the amount of his savings each day =7x= (7*0.25)dollar= 1.75 dollar

8 0
3 years ago
If there are 25 values in a data set in order from smallest to largest, what is the first quartile of the data set?
Sholpan [36]
C. the mean of the 7th and 5th values
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