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MissTica
3 years ago
15

2w-6+w+5 how do you work this problem

Mathematics
1 answer:
sergejj [24]3 years ago
6 0

You combine the numbers that have the same letter attached to them. Then you add or subtract the bumbers from each other to. After that you make the numbers and the numbers with letters into one equation

Ex: 13+5r+7r= 13+12r

Step-by-step explanation:

2w+w=3w If theres a letter by itself it means theres a 1.

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A(t)=934(1/2)t/30 for 20 years and 100 years
vichka [17]
\bf A(t)=934\left( \frac{1}{2} \right)^{\frac{t}{30}}\qquad \qquad \stackrel{t=20}{A(t)=934\left( \frac{1}{2} \right)^{\frac{20}{30}}\implies A(t)=934\left( \frac{1}{2} \right)^{\frac{2}{3}}}
\\\\\\
\stackrel{t=100}{A(t)=934\left( \frac{1}{2} \right)^{\frac{100}{30}}\implies A(t)=934\left( \frac{1}{2} \right)^{\frac{10}{3}}}

nothing to it, t = year, and  you can just plug that in your calculator.
3 0
3 years ago
You and a friend tutor for a total of 12 hours. Use the tape diagram to find how many hours you tutor.
ElenaW [278]

Answer:

There’s no tape diagram

Step-by-step explanation:

6 0
3 years ago
Helpppppp please and thank you guys!
Effectus [21]

Answer:

b = 3w; 54

Step-by-step explanation:

Since the student reads 3 books in one week, we know that one book is three times the amount of weeks, or b = 3w

We can plug in 18 for w to find how many books are read in 18 weeks

b = 3w

b = 3(18)

b = 54

So after 18 weeks she has read 54 books

3 0
3 years ago
Help plz:)))I’ll mark u Brainliest
Alexxx [7]
They are based on SSS. They have the middle side which they share and is equal. And those other two lines also make those sides equal, so all sides are equal and they’re congruent
6 0
3 years ago
What is 287 divided by 68 estimated
grin007 [14]

When you divide 287 by 68, when it is not rounded, you will get 4.22058823529... (repeated decimal), but when you round it, you can either get the following: 4.22, 4.2, or 4 (choose which ever you want to pick out of these rounded forms.)

Hope this helped!

Nate

6 0
3 years ago
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