MATHEMATICS MIDDLE SCHOOL

Find the next three terms.

-1, 2, -4, 8, -16

Answers

Answer 1
Answer: This is a geometric sequence, that is, a sequence where each successive integer is a result of multiplying the previous one by a fixed, non-zero number called the common ratio.  We need to find which number is the common ratio and then complete the next three terms using that ratio.  If we look at the first and second numbers, we need to ask "what can we multiply by -1 to get 2".  If it's not obvious to you, try looking at the next two numbers... what can you multiply by 2 to get -4.  The answer is -2.

 -1 x -2 = 2
2 x -2 = -4
-4 x -2 = 8
etc...

So we need to go to the end of the sequence and find the next three numbers...

-16 x -2 = 32
32 x -2 = -64
-64 x -2 = 128

Next three numbers in the sequence are 32, -64, 128

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a pizza place charges $15 for a pepperoni pizza and $12 for a cheese pizza. the goal is to sell $540 in pizza for the day. The situation can be represented by the equation 15x+12y=540, x=pepperoni pizzas and y= cheese pizzas. If the pizza place runs out of pepperoni, how many cheese pizzas must be sold to reach the daily goal?
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What is the standard form of 0.002?

Answers

Answer:

Standard form   2 * 10^(-3).

Step-by-step explanation:

Given  : 0.002

To find : What is the standard form.

Solution : We have given 0.002

To convert it in to standard form

Remove decimal

0.002 =  (2)/(1000).

By exponent rule

(1)/(1000)  = 10^(-3).

Then ,

(2)/(1000) =  2 * 10^(-3).

Therefore, Standard form   2 * 10^(-3).
0.002 in standard form is:

2 x 10-3

Hope I Helped!!!

Which is bigger, three fourth of 28 or two fourth of 28

Answers

3/4 of 28 is 21. 2/4 (the same as one half) of 28 is 14. So three-fourth's of 28 is bigger.

for each babysitting job, Ashley charges 2.50 dollars for bus fare plus 8 dollars per hour for each hour she works. She charged 30.50 dollars for her last babysitting job. how many hours did she babysit for that job

Answers

multiply 2.50 times 8 then divide your answer by 30.50

Need help don’t understand it

Answers

ik half the answer it's y= -1/2x+y-intercept u have to find the y intercept

What is 66% of 75? SOLVE THE PROBLEM

Answers

The answer is 49.5% Hope I helped.
66% of 75 is 49.5. To get the answer you multiply (.66)(75).

The scale is 2 inches:4 feet ,find the scale factor

Answers

remember: 1 feet = 12 inches
                  4 feet = 48 inches

scale:     2 inches: 48 inches

The factor is 48 ÷ 2 = 24
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