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postnew [5]
3 years ago
12

Help asap!! pls show all steps for each question TYSM

Mathematics
1 answer:
cricket20 [7]3 years ago
3 0

Answer:

1) <

2) >

3) =

4) 138.75%

5) 4.4%

6) 87%

7) 166

8) 119%

9) 22.5%

10) I don't know, sorry!

11) I can't do the rest in my head I am sorry

Step-by-step explanation:

1) Because 25% is 1/4, not 1/5; 20% would be 1/5, for future reference

2) Move the decimal to the right twice, then put a percent sign!

3) I'm actually not 100% sure on this one, but I believe it's equal to, though. I am so sorry I couldn't get you a clear enough answer.

4) 75 ÷ 100 (may wanna use a calculator)

I am running outta time I am SO SORRY :( just remember on 4-7 to estimate, 8-10 round to the nearest tenTH, and 11-14 find each number to the nearest WHOLE number!!!

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PLEASEHELP!
denis-greek [22]
You factor out primes from the root, for example:
root 100
you can get 10 from it, or we'll use 5

100/5=20
20/5=4
root 4= 2
because there are 2 "5" we can bring that out of the root, there are 2 "2" so we bring that out too.
When a number is taking out of a root, the 2 exact same numbers become one. in this case, there are ONE 5 and ONE 2 outside the root. then You multiply 5 and 2 together, and you get 10

6 0
3 years ago
A scuba diver descends from the surface at a rate of -38 feet per minute. What is the position of the scuba diver relative to th
lapo4ka [179]

Answer:

-114 (The answer should be negative.)

Step-by-step explanation:

3 x -38 = -114

4 0
1 year ago
A multiple choice exam has 20 questions. Each question has 3 possible answers; there is no partial credit. Only 1 answer out of
amid [387]

Answer:To find out the theoretical probability of the case given, we need to make certain assumptions.

First, we'll assume that he'll attempt all of the questions, i.e he'll attempt all 10 questions.

Next assumption is that each option in each question is equally likely to be marked by the student.

This pretty much leads us to a binomial probability distribution.

Conditions are:

   Answers 10 questions.

   Each question has 4 options with only one correct answer and all other incorrect answers.

   Student is equally likely to pick any outcome in any given question.

   Hence, probability of choosing correct answer is 1/4 = 0.25. Probability of choosing incorrect answer is 1–1/4 = 3/4 = 0.75.

   The number of trials is 10.

   Total number of success is exactly 8 and failure is 2 amongst the 10 questions in any particular order.

Now, calculation is fairly simple.

Binomial probability distribution is such that…

P(8 correct ; 2 wrong)

= 10C8 × (0.25)^8 × (0.75)²

= 405/1048576 ≈ 3.862380981 × 10^-4 ≈ 0.000386

Step-by-step explanation:

6 0
3 years ago
What is reciprocal of 4
pickupchik [31]

Answer:

1/4, 0.25

Step-by-step explanation:

The reciprocal of a number is 1 divided by the number. 1/4=0.25.

7 0
3 years ago
Read 2 more answers
Write a unit rate for 256 heartbeats in 4 minutes​
bogdanovich [222]
64/1 or 64 heartbeats in 1 minute
5 0
3 years ago
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