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kompoz [17]
2 years ago
8

Let a, b, c be the three rational numbers where a = 2 3 , b = 4 5 and c = − 5 6 Verify: Associative property of addition

Mathematics
1 answer:
jok3333 [9.3K]2 years ago
4 0

Answer:

The answer is 124.

Step-by-step explanation:

I added them up together and got the answer. Please don't delete my answer, I am only trying to help.

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klio [65]

Answer:

The probability that a student taking only math will get picked is approximately 29%

Step-by-step explanation: This is because out of the total number of students taking math (95), 52 of such students are also taking science. In order to get the number of students only taking math you have to do 95-52=43 and to put that against the amount of total students the ratio would be 43:147 or 42/147 and if you plug 42/147 into a calculator you will recieve a long decimal that you can then round to 29%.

6 0
2 years ago
I don’t understand how to do this? please help
xenn [34]

Answer:

K = -72

Step-by-step explanation:

1. Get K/9 by itself to do so add 3 to both sides eliminating it on the left by turning the -11 into -8

2. Multiply by 9 on both sides eliminating the division of 9 on the left and turning -8 into -72 leaving the equation as K = -72

To eliminate a number you must do its opposite so the opposite of -3 is +3 so you +3 to both sides. And always start the equation by eliminating what is not connected to the variable in this case the 9 was connected to the variable as K/9.

8 0
3 years ago
Someone help me!!!
VLD [36.1K]

Answer:

4 pack priced at £2.04 is the better pack

Step-by-step explanation:

2.04/4=£0.51 per roll

4.68/9=£0.52 per roll

8 0
3 years ago
Read 2 more answers
Subtracting 5 from each score in a distribution with a mean equal to 40 and a standard deviation equal to 3 will result in a sta
LenaWriter [7]

Adding or subtracting a constant from each value of a distribution changes the mean, but not the standard deviation.


The standard deviation will equal 3.

6 0
2 years ago
(-3, -2) (2, 1) Find the slope
Nimfa-mama [501]

Answer:

for just the slope its 3/5 or in decimal its .6

Step-by-step explanation:

y's on top x's on bottom

1--2

1+2=3

2--3

2+3=5

so slope is 3/5 or .6

4 0
2 years ago
Read 2 more answers
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