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katen-ka-za [31]
3 years ago
9

SHOW YOUR WORK AS MUCH AS POSSIBLE 60 POINTS

Mathematics
1 answer:
ale4655 [162]3 years ago
5 0

Answer:

see below

Step-by-step explanation:

The expression for the account is

a)  3600 -400M where m is the number of months

b) We want the expression to equal 2000

    3600 -400M = 2000

c) 3600 is the initial amount in the account

400 is the amount that the account goes down each month

M is the number of months

2000 is the amount left in the account

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Ten subjects are being studied to test the effectiveness of itch relief for three types of medication: A, B, and C. Using a 10-p
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Answer: Choice C

They should be blocked by pain resistance so the subjects are as similar as possible.

============================================================

Explanation:

The process of blocking in statistics is where we group up people in blocks, and each block is determined by a characteristic of some sort. In this case, we're grouping people up by pain resistance level. Those very resistant to pain will be in one group, while those who easily feel pain will be in another block, and so on. It might be effective to have a pain scale and sort people by that.

Blocking is done so that we eliminate unwanted variability. We are testing the effectiveness of the itching cream, so all we care about is if the itch reduces or not. We aren't worried about the levels of pain. However, it says that "Previous studies have shown the effects of treatment may vary based on a subject's pain resistance". So we group up the people by pain tolerance to help eliminate the variability of pain tolerance levels.

This is why choice C is the final answer.

-------------

Extra info:

  • Choice A is false because a person's name doesn't have anything to do with if the treatment works or not.
  • Choice B is false because we weren't given any info to indicate it being true. It may be true, but we simply don't have enough info to confirm it.
  • Choice C is false for similar reasons as choice B.
6 0
3 years ago
Read 2 more answers
Hillside orchard grows Fiji apples and Gala apples. There are 160 Fiji apple trees and 120 Galla apple trees in the orchard. Hil
Paul [167]

Answer:

190

Step-by-step explanation:

160 - 120 = 40

120 + 30 = 150                    

150 + 40 = 190                  

7 0
2 years ago
The side of a cube is 3^4 centimeters long. What is the volume of the cube?​
labwork [276]

Step-by-step explanation:

v=s^3 s=3^4=81

v=(81)^3

v=531,441 cm^3

7 0
3 years ago
The Caesar Cipher of the sentence "THIS MESSAGE IS TOP SECRET."
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Answer:  Option 'a' is correct.

Step-by-step explanation:

Since we have given that

"THIS MESSAGE IS TOP SECRET."

We need to use the Caesar cipher.

As in general we always take a shift of 3 keys in Caesar cipher.

so, According to shift of 3 keys it becomes,

T→W

H→K

I→L

S→V

M→P

E→H

A→D

G→J

O→R

C→F

R→U

P→S

So, it can be written as

"THIS MESSAGE IS TOP SECRET."

WKLVP HVVDJ HLVWR SVHFU  HW.

we make a set of 5 letters in a word after Caesar cypher.

Hence, Option 'a' is correct.

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Leah deposited $50,000 in the bank. Three years later, she borrowed $40,000 for a new truck. From this description, which is the
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