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Monica [59]
3 years ago
9

Perform the indicated operation (-27) *(-31)

Mathematics
1 answer:
iris [78.8K]3 years ago
8 0

Answer:

837

Step-by-step explanation:

(-27) multiplied by (-31) is 837. Two negatives make a positive

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What is:<br> 16% of £50<br> 44% of 781g<br> 92% of 1050km
liq [111]

Answer:

16% of £50 = £8

44% of 781g = 343,64g

92% of 1050km = 966km

5 0
3 years ago
Kayla has taken an online boating safety course and is completing her end-of-course exam. As she answers each question, the prog
Arte-miy333 [17]
Hey there :),Good question!
If question 12=40%
Lets determine how many questions fill 20% of the progress bar
Take 12 and divide by 2 to get half of the questions
12/2=6
6 questions equal 20% progress bar
100/20= 5
Next multiply 6 and 5 to find the total number of questions:
6×5=30
The answer is 30 Total Questions are on the test

6 0
3 years ago
Data with a correlation coefficient of 0.05 has a _[blank A]_ correlation, and data with a correlation coefficient of −0.80 has
Liula [17]

Answer:

Correlation Coefficient r value of 0.05 means a weak or very weak positive relationship while

Correlation Coefficient r value of 0.80 means a strong positive relationship

Step-by-step explanation:

Correlation Coefficient (r) signifies the strength of relationship which exists between two linear variables. The value of r ranges from - 1 to + 1 where positive and negative values signifies a positive and negative relationship relationship respectively.

The closer the r value is to either +1 or - 1, the greater the strength of the relationship while a r value of 0 means, there is no relationship between the two variables.

Hence in the scenario above :

Correlation Coefficient r value of 0.05 means a weak or very weak positive relationship while

Correlation Coefficient r value of 0.80 means a strong positive relationship

5 0
3 years ago
Read 2 more answers
Please I really need help with 5!!
Solnce55 [7]
He got back 5 quarters and 1 dime
5 quarters = 1.25 plus 1 dime = 1.35
5 0
4 years ago
Read 2 more answers
A restaurant holds an anniversary celebration. Of 80 diners who visit during the anniversary celebration, 32 are offered free de
STatiana [176]

Answer:

60%

Step-by-step explanation:

Since theres 80 people and 32 do recieve the free dessert... 80-32=48 which is the amount of people that dont get free dessert. 48/80 to a decimal is 0.6 and 0.6 to a percentage is 60%

hope I helped :)

3 0
3 years ago
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