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Elan Coil [88]
3 years ago
8

Emily used the number line to find the quotient for -15 ÷ 5. What errors did she make? Select three correct answers.

Mathematics
2 answers:
Naily [24]3 years ago
8 0

Answer:

she didnt go back from 15 she went back from 20and the arrows should be going backwords not forwards

Trava [24]3 years ago
6 0

Answer:

A,C,D

Step-by-step explanation:

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Please HELP!!!
Sergeeva-Olga [200]

Answer:

- 3, 1, 5, 9

Step-by-step explanation:

The first 4 terms are the values of y corresponding to x = 1, 2, 3, 4 , that is

(1, - 3 ) , (2, 1 ) , (3, 5 ) , (4, 9 )

first 4 terms are - 3, 1, 5, 9

5 0
3 years ago
If you flip a fair coin 4 times, what is the probability that you will get exactly 2 tails
Ilia_Sergeevich [38]

Answer:

<h3>The answer is <u>3/8</u> NOT 50%</h3>

Step-by-step explanation:

One way to solve this problem is to figure out how many ways you can get exactly 222 tails, then divide this by the total number of outcomes you could have gotten. Since every outcome has equal probability, this will be the probability that you will get exactly 2 tails.

How many outcomes are there where you get exactly 2 tails? Try thinking of each outcome as a 4-letter word, where the first letter is "H" if the first coin toss was heads and "T" if it was tails, and so on.

So, the number of outcomes with exactly 2 tails is the same as the number of these words which have 2 T's and 2 H's.

How many of these are there? If we treat all the letters as unique, we'll find that there are 4! different arrangements, overcounting 2! times for every time we only switch the T's around, and 2! times for every time we only switch the H's around.

So, there are <u>4!/2!2!</u> = 6  

​  

<u>4!/2!2!</u>= 6 different outcomes where you get exactly 2 tails.

Altogether, there are 2^4 = 16 total possible outcomes.

So, the probability that you will get exactly 2 tails is <u>6/16</u> = 3/8

​  

4 0
3 years ago
What is 37.69911184 rounded to 1 decimal point?
astra-53 [7]

Answer:

37.7

Step-by-step explanation:

One decimal point is one digit after the decimal point. Here, we round up because the digit after the one we're looking for is greater than 4

3 0
3 years ago
30 is 1/10 of please tell and help me​
rjkz [21]

Answer:

i think 1/300

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Need help, please
madam [21]

Answer:

19.5 hrs

Step-by-step explanation:

30 minutes meeting for every 3 hours of work

10 minutes meeting for every 1 hour of work

15 minutes meeting of every 1 1/2 hour of work

3 hours meeting for every 18 hours of work

She spent 19 1/2 hours

7 0
3 years ago
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