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quester [9]
3 years ago
5

Dan was trying to get faster at his multiplication tables. This table shows the time it took him to complete each of four tests

containing 50 simple multiplication problems.
Which comparison of the time for each test is correct?
Test 1 < Test 4
Test 2 > Test 4
Test 1 > Test 3
Test 3 < Test 2
Mathematics
1 answer:
STatiana [176]3 years ago
5 0

Answer:Test 1 < Test 4

Step-by-step explanation: Test 1 was easier so it took less time to complete the questions. As the tests continue they get harder meaning they will take more time to answer.

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Yap,

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3 years ago
Heather makes $6.50 per hour. Every three months, she is eligible for a 2% raise. How much will she make after 2 years if she ge
sammy [17]

Answer:

$7.62 per hour


Step-by-step explanation:

Since, Heather gets a raise every 3 months, in 2 years, she will get a raise 8 times (2years = 24 months, 24 divided by 3 is 8).

Now it becomes a compound growth problem. We can use the formula shown below to solve these type of problems.

F=P(1+r)^t

Where,

  • F is the future value (what we want to find)
  • P is the present rate ($6.5)
  • r is the rate of growth, in decimal (2% growth means 0.02)
  • t is the time frame, number of times compounding occurs (for our case we have figured it to be 8)

<u>Now plugging in all the info, we get the value of F:</u>

F=P(1+r)^t\\F=6.5(1+0.02)^8\\F=6.5(1.02)^8\\F=7.62


Thus, after 2 years, Heather's hourly rate will be $7.62


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anyanavicka [17]

Answer:

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