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3241004551 [841]
3 years ago
6

Match the statement to symbols a quarter of a number 4/x 4x ox/4 1/4+x

Mathematics
1 answer:
Reil [10]3 years ago
7 0
A quarter of the number would be 1/4 +x
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"If you subtract 12 from my number and multiply the difference by -15 ​, the result is -140​." What is ​'s ​number?
Masteriza [31]

Answer:

The answer would be 2.7. Am not very sure though

Step-by-step explanation:

So what you do is

for example the unkown number is x and the answer you get is y

12-x=y * -15=-140

-140/-15=9.33 (this is y the answer)

12-x=9.3

12-9.3=2.7

To check your answer

12-2.7=9.3

9.3 * -15=-139.5 if you round it then it would be -140

6 0
3 years ago
James folds a piece of paper in half several times,each time unfolding the paper to count how many equal parts he sees. After fo
Snezhnost [94]

Answer:

There will be total 2048 parts of the given paper if James if able to fold the paper eleven times.

The needed function is y = 2 ^n

Step-by-step explanation:

Let us assume the piece of paper James decides to fold is a SQUARE.

Now, let us assume:

n : the number of times the paper is folded.

y : The number of parts obtained after folds.

Now, if the paper if folded ONCE ⇒  n = 1

Also, when the pap er is folded once, the parts obtained are TWO equal parts.

⇒  for n = 1 , y = 2       ..... (1)

Similarly, if the paper if folded TWICE  ⇒  n = 2

Also, when the paper is folded twice, the parts obtained are FOUR equal parts.

⇒  for n = 2 , y = 4       ..... (2)

⇒y  = 2^2  =  2^n

Continuing the same way, if the paper is folded SEVEN times  ⇒  n = 7

So, y = 2^ n = 2^7 = 128

⇒  There are total 128 equal parts.

Lastly,  if the paper is folded ELEVEN  times  ⇒  n = 11

So, y = 2^ n = 2^{11} = 2048

⇒  There are total 2048 equal parts.

Hence, there will be total 2048 parts of the given paper if James if able to fold the paper eleven times.

And the needed function is y = 2 ^n

8 0
4 years ago
Is y=3/4x a direct variation? if so, find the constant of variation
xxMikexx [17]
Yes because without a y-intercept it goes through 0. and can you explain the next part?
8 0
3 years ago
WILL MARK BRAINLYEST<br> 500x 300 divided by 100
Nina [5.8K]

Answer: 1,500

Step-by-step explanation:

500 times 300 is 150,000

Divide the product by 100 is 1,500

3 0
3 years ago
A 30-minute TV program consists of three commercials, each 2 1/2 minutes long, and four equal-length entertainment segments. How
Alexus [3.1K]
for one show it will be 23.1 minutes if you multiply 2.30 minutes by 3 and get 6.9 you subtract 6.9 from the 30 minutes and you should 23.1 minutes 
6 0
3 years ago
Read 2 more answers
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