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givi [52]
3 years ago
12

Help helpppppwkekekdjdjsjsjsnrjfhjksjzjd

Mathematics
1 answer:
Likurg_2 [28]3 years ago
4 0

Answer:

51ft

Step-by-step explanation:

tama yan ang answer

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A group of five people are all working on the same mathematics problem. On the night before it is due, they call each other to d
UkoKoshka [18]

Answer:

Minimum number of calls = 10

Step-by-step explanation:

Lets name the five people as A,B,C,D and E.

<u>On the night before ,each person talks to every other person atleast once that means A would talk to B,C,D and E atleast once.</u>

Lets start with A. He would talk to other 4 people which means there would be 4 phone calls made.

Now lets take B. He can talk to A,C,D and E. But  A has already talked to C therefore to get minimum number of phone calls , B need not call A again. So he calls only C,D and E.

In case of C using similar logic he need to talk to only D and E.

For D , he talks to E alone.

E does not have to talk to anyone as he has already talked to everyone atleast once.

Total calls = 4 + 3 + 2 + 1

                    = 10

5 0
3 years ago
Please help!! answer choices and question below
puteri [66]

Answer:

3 because 3 times 4 is 12 and 18 divided by 6 is 3

Step-by-step explanation:

3 0
3 years ago
Negative four times a number plus nine is no more than the number minus twenty one
marysya [2.9K]
N is no more than six
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3 years ago
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Sarah borrowed some money from her father at a simple interest rate of 5.5% to pay for her college tuition. At the end of the ye
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\bf ~~~~~~ \textit{Simple Interest Earned Amount}&#10;\\\\&#10;A=P(1+rt)\qquad &#10;\begin{cases}&#10;A=\textit{accumulated amount}\to &\$2555\\&#10;P=\textit{original amount deposited}\\&#10;r=rate\to 5.5\%\to \frac{5.5}{100}\to &0.055\\&#10;t=years\to &1&#10;\end{cases}&#10;\\\\\\&#10;2555=P[1+(0.055)(1)]\implies \cfrac{2555}{1+(0.055)(1)}=P&#10;\\\\\\&#10;\cfrac{2555}{1.055}=P\implies 2421.800947867 \approx P
4 0
3 years ago
Simplify the expression below.
Ostrovityanka [42]

Answer: OPTION C.

Step-by-step explanation:

Given the following expression:

4x(3x- 7) - 19x^2

You can simplify this expression applying these steps:

First step: You must apply Distributive property:

=12x^2-28x-19x^2

Second step: You need to add the like terms.

Then, you get:

=-7x^2-28x

You can observe that this simplified expression matches with the expression provided in Option C.

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3 years ago
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