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igor_vitrenko [27]
3 years ago
11

What are the first four terms of the sequence represented by the expression n(n - 2) -3 ?

Mathematics
1 answer:
Sonbull [250]3 years ago
7 0

Answer:

the first four terms is 3, 0, -3, -6

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Joanne slices a large banana bread into 10 pieces. There are 2 adults and 2 children who get a piece of banana bread. The rest o
sergey [27]

Answer:

6/10 or 3/5(the simplified one)

Step-by-step explanation:

first we should look at how many people gets the bananna bread and how many they took in total.

The passage said there are 2 adults and 2 children, so there are 4 people.

Since each person gets 1 bread, we could know it is 4 * 1, which is 4 and that is the total of how many they took.

When we find out how many bread is took, we have to find how many bread remains.

10-4=6, so there are 6 breads left and that means 6/10 of the whole bread is donated.

we can  even simplify it. 6/10 could be simpligied to 3/5.

3 0
3 years ago
There is a bag filled with marbles: 5 red, 8 blue, 4 yellow, and 3 green.
likoan [24]

Answer:

Step-by-step explanation:

total marbles=5+8+4+3=20

when he is drawing without replacing means red marble is drawn from 20 marbles.

Blue marble is drawn from 19 marbles.

when he is drawing with replacing means he draws one red marble from 20 marbles.Then he replaces it and draws blue marble from 20 marbles also.

7 0
2 years ago
What is the slope of a line perpendicular to the line whose equation is 2x+4y=-642x+4y=−64. Fully simplify your answer.
labwork [276]

9514 1404 393

Answer:

  2

Step-by-step explanation:

Solving the given equation for y, you have ...

  2x +4y = -64

  4y = -2x -64

  y = -1/2x -16

The coefficient of x is the slope of the given line: -1/2. The slope of the perpendicular line is the opposite reciprocal of this:

  -1/(-1/2) = 2

The slope of the perpendicular line is 2.

5 0
3 years ago
Martha has 8 cubic feet of potting soil and 3 flower pots. She wants to put the same amount of soil in each pot. How many cubic
GrogVix [38]

Answer:

  2 2/3 cubic feet

Step-by-step explanation:

Martha will put 1/3 of the 8 cubic feet in each pot. That is ...

  (1/3)(8 ft³) = 8/3 ft³ = 2 2/3 ft³

Martha will put 2 2/3 cubic feet of soil in each pot.

3 0
3 years ago
What is 400,000 times 200 in scientific notation
aniked [119]

If you move the decimal point left until it is just to the right of the most-significant digit, the number of places you moved it is the power of ten that your new number is multiplied by.

400,000=4\times 10^{5}\\200=2\times 10^{2}

Then multiplication can proceed in the usual way, taking into account the rules of exponents.

4\cdot 10^{5}\times 2\cdot 10^{2}=8\cdot 10^{(5+2)}\\\\=8\cdot 10^{7}

8 0
3 years ago
Read 2 more answers
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