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valentina_108 [34]
3 years ago
13

in one day, annie traveled 5 times the sum if the number of hours brian traveled and 2. Together they traveled 20 hours. Find th

e number of hours eacg person traveled.
Mathematics
1 answer:
Alex17521 [72]3 years ago
8 0
\bf \textit{Annie travelled 5 times the hours of Brian}\\
\textit{the hours of both sum up to \underline{20}}
\\\\\\
\begin{cases}
b=\textit{hours Brian travelled}\\
a=\textit{hours Annie travelled}\\
----------\\
\boxed{a}=5b\\
a+b=\underline{20}
\end{cases}
\\\\\\
\boxed{5b}+b=20\implies 6b=20\implies b=\cfrac{20}{5}\implies b=4

how many hours Annie travelled?  Well, a = 5b.
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vesna_86 [32]

Answer:

m\angle y=35.69^o

Step-by-step explanation:

The picture of the question in the attached figure

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In the right triangle of the figure

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8 0
2 years ago
How do you do algerbra its too hard
Marrrta [24]
That's a question that can't be answered here. 

I know how to do algebra, and I could write how to do it for you.  But If I start writing and keep going until I explain to you how to do algebra, do you know what you'd have here ? You'd have an algebra book, just like the one you use in school.

If it were possible to explain algebra in a few paragraphs, or even in a few pages, then that's what you would use in school to learn it, instead of a book.  And if it could be explained in a few minutes, or even in a few hours, then teacher would explain it all at the beginning of the year, and then you'd have the rest of the whole year to just practice it and get really good at it.

You use a book, and you spend a whole year learning it, because that's what it takes. 

I shall now reveal to you the secret hidden sneaky tricks of how to do algebra: 

(If you want to print this and stick it on the refrigerator, you have my full permission.
This method is so good that it even works with a lot of other subjects too.)

-- Go to class every day.
-- As you're sitting down, turn off your cellphone and wrap up your gum.
-- Stay awake in class.
-- Listen to what the teacher is saying.  In your mind, make pictures of what it means.
-- When you get a homework assignment, <em>write it down</em>.
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If you're building a brick house, and you leave out some bricks near the bottom and keep stacking bricks above the hole, the part above the hole could come crashing down any minute, and there's no way to go back later and try and fill in the hole.

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Follow my method, and algebra is <em>easy</em> !
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3 years ago
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Which set of numbers represents the domain for the following table below
elena-14-01-66 [18.8K]

Answer:

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Step-by-step explanation:

21

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Dvinal [7]

Answer:

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Step-by-step explanation:

Locate the designated space on the diagram and list all the numbers in it.

a. E = {1, 2, 3, 4, 5, 6, 7, 8} . . . . all numbers in the rectangle

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c. A ∪ B = {1, 2, 3, 4, 5, 7, 8} . . . . only 6 is outside the circles

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Answer:

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Step-by-step explanation:

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