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Len [333]
3 years ago
13

What are the simplified version of these?

Mathematics
1 answer:
Helga [31]3 years ago
4 0
-2y-(-8y-2) = -2y + 8y + 2 = 6y + 2

2(3x + 16) - 7x = 6x + 32 - 7x = -1x + 32 = 32 - x

-x + 6 + (-3) + x + (-4) = -x + 6 - 3 + x - 4 = 3 - 4 = -1
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How many dots are there at t minutes? Solve the problems by your preferred method. Your
Zielflug [23.3K]
<h2>Answer:</h2>

The image to the question is missing, but I found a matching image, which is attached to this solution

Answer:

3 minutes = 13 dots

100 minutes = 401 dots

t minutes = 4(t) + 1 dots

Step-by-step explanation:

From the image, the following can be noticed:

time (Mins)       dots

0                          1

1                           5

2                          9

The pattern gotten from this progression is that, if the time is multiplied by 4, and the result added to one, the result will be the number of dots.

hence, when the time is 0 minutes:

0 × 4 = 0

0 + 1 = 1 ( 1 dot)

when the time is 1 minute

1 × 4 = 4

4 + 1 = 5 (5 dots)

when the time is 2 minutes

2 × 4 = 8

8 + 1 = 9 ( 9 dots)

Therefore,

when the time = 3 minutes

3 × 4 = 12

12 + 1 = 13 dots

at 100 minutes:

100 × 4 = 400

400 + 1 = 401 dots

at t miutes

t × 4 = 4t

4t + 1 = number of dots

Therefore number of dots at t minutes = 4(t) + 1

3 0
3 years ago
Find the domain of the graphed function.
Burka [1]

The domain of the graphed function is x≥0.

<h3>What is domain of graph ?</h3>

The set of all input values of the graph is called domain of graph.

<h3>What is the required domain ?</h3>

We have to find the horizontal length of the graph, which is the length in x-axis.

In the given graph, the value of x starts from 0 and crossed the value 10

So, x=0 & x>10, which means all the positive values of x & x = 0 is the domain of this graph.

Hence, we can say that, x≥0 is the domain we want.

Learn more about domain of graph here :

brainly.com/question/26312803

#SPJ10

3 0
3 years ago
Need some help rq....
velikii [3]

Answer:

work will be explained in the explanation portion

1. x = 3

2. y = 5

3. x = 13

4. y = 2

5. c = 7

6. a = 34

7. unsure but -5/12

8. 16

Step-by-step explanation:

1. 11 - 8 = 3

2. 16 + 9 = 25      5 x 5 = 25

3. 9 + 4 = 13

4. 10 - 4 = 6          3 x 2 = 6

5. 45 - 3 = 42       6 x 7 = 42

6. 23 + 11 = 34

7. 2/3 = 8/12          1/4 = 3/12            8/12 - 3/12 = 5/12

8. 14 divided by 7/8 = 16 (use keep change flip)

HOPE THIS HELPS!! <33

8 0
3 years ago
Read 2 more answers
thomas has earned 800$ and earns 20$ every week by mowing lawns ken has earned 600$ and earns 30$ every week for helping his fat
wariber [46]
We can write this as an equation:
800 + 20x = 600 + 30x
where x is the number of weeks.

To solve, we subtract 20x from both sides and subtract 600 from both sides:
800 - 600 = 30x - 20x \\ 200 = 10x
Then, we simplify by dividing both sides by 10:
\frac{200}{10}  =  \frac{10}{10} x \\ 20 = x
Thomas and Ken have to work 20 weeks for their earnings to be the same.
7 0
3 years ago
What power of 5 gives you 1/25​
defon
The answer is -2.
5^-2=1/25
3 0
4 years ago
Read 2 more answers
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