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Luden [163]
3 years ago
14

Can someone help me please will give brainliest

Mathematics
1 answer:
wolverine [178]3 years ago
8 0

Answer:

  see below

Step-by-step explanation:

Each point moves to half its previous distance from P. It is probably easier to count grid squares on the graph than it is to do the math on the coordinates.

If you're doing the math on the coordinates, it is convenient to use P = (0, 0), then multiply each of the coordinates of A, B, and C by 1/2. For example:

  A' = (1/2)A = (1/2)(8, 4) = (4, 2)

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Element X is a radioactive isotope such that every 28 years, its mass decreases by
Alex_Xolod [135]

Answer:

21

Step-by-step explanation:

5 0
2 years ago
A store ordered 28 boxes holding 12 banana muffins each and five boxes holding 6 blueberry muffins each. What was the total numb
sveticcg [70]

Answer:

366 muffins

Step-by-step explanation:

28 x 12 = 336

5 x 6 = 30

336 + 30= 366 muffins

6 0
3 years ago
Can anyone help and explain how to do this it’s very confusing?
Margarita [4]

Answer:

Find the slopes; 123 servings

Step-by-step explanation:

When you look at the graph and table, find out which ones have a slope of 1/2

To find slope you have to use this equation

\frac{y - y^1}{x - x^1}

So for each graph and table, calculate the slope using that formula :)

For the second question,

For every 10 students, the amount of juice dispensed was

7*4 + 3*8 = 52

So divide 52 by 10 to get 5.2

Then divide the total amount of juice (640) by 5.2 and that rounds to about 123 servings of juice

4 0
3 years ago
The average survival time after diagnosis for a certain type of cancer on the standard treatment is two years. A medical researc
wolverine [178]

Answer:

The sample size is too small

Step-by-step explanation:

The answer is the last one: the sample size is too small. Since we only got 3 subjects to test, maybe one of them could live for a long time after the diagnosis of Cacer and that made the average survival time go up by a lot.

In order to obtain results with a significance level higher, you need a sample size of at least 20 subjects.

Now lets see why other options wouldnt be good answers:

  • For a small amount of subjects, it is unlikely to have errors in caculation
  • The sample size is given
  • We are not given information about the treatment and we dont even know if the subjects feel more confident with the new treatment. Also, if a Placebo effect works regularly, it shouldnt limit statistical sifgnificance
  • An increase in 2 years is huge in comparison with the previous survival time.

4 0
3 years ago
In 33 hours, a car travels 120 miles. What is the speed of the car?
DaniilM [7]
Speed = distance / time
Speed = 120 / 33
Speed = 3.64 miles per hour
3 0
3 years ago
Read 2 more answers
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