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Citrus2011 [14]
3 years ago
7

Please help! really rusty on properties ^-^

Mathematics
1 answer:
marta [7]3 years ago
4 0
A is additive equality, where -x and x adds to 0
b is distributive, where x(y+z)=xy+xz
c is multiplicative equality, where x*1=x
d is subtracting both sides by 3.
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What is the least common denominator of these fractions: 1/8, 1/5 and 1/10?
Alex
You must find the least common multiple of 8, 5, and 10. In this case the least common denominator is 40. 8•5= 40, 5•8= 40, and 10•4= 40. Answer: 40.
3 0
3 years ago
Find the point slope equation fir the line that passes through the points (-6,24)(5,-31)
romanna [79]

Answer:

The equation of the line is y -24 = -5(x + 6)

Step-by-step explanation:

To find the equation of this line, we first need to find the slope. To do that, we use the slope equation.

m(slope) = (y2 - y1)/(x2 - x1)

m = (-31 - 24)/(5 - -6)

m = (-31 - 24)/(5 + 6)

m = -55/11

m = -5

Now that we have the slope, we can use it and either point in point-slope form.

y - y1 = m(x - x1)

y - 24 = -5(x - -6)

y - 24 = -5(x + 6)

3 0
2 years ago
Given A = {a, b, c}, how many subsets does A have including ∅?<br><br> 4<br> 7<br> 8
Minchanka [31]

Answer:

8 is the answer

hope this helps you.

6 0
2 years ago
If<br> 5 , 3 = 28<br> 9 , 1 = 810<br> 8 , 7 = 115<br> 6 , 2 = 48<br> then <br> 7 , 5 = ?
Rom4ik [11]

Answer:

212

Step-by-step explanation:

<u>Rule</u>

  • Subtract the 2nd number from the first to obtain the first digit(s) of the answer.
  • Add the 2nd number to the 1st to obtain the last digit(s) of the answer.

5 - 3 = 2

5 + 3 = 8

Therefore: 28

9 - 1 = 8

9 + 1 = 10

Therefore: 810

8 - 7 = 1

8 + 7 = 15

Therefore: 115

6 - 2 = 4

6 + 2 = 8

Therefore: 48

7 - 5 = 2

7 + 5 = 12

Therefore: 212

6 0
2 years ago
Read 2 more answers
1)
SIZIF [17.4K]

Answer: I think A

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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