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MrRa [10]
3 years ago
11

What is GCF and LCM of -21 and 80? ASAP! Please Help! Will give Brainliest! Explanation Please! Love you forever!

Mathematics
1 answer:
djverab [1.8K]3 years ago
7 0

I got u ;)

Its just like ur other question!

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Which two decimals are equivalent to 0.6?
ra1l [238]
None of the above

0.6 would be equivalent to 0.60 and 0.600 and 0.600000...but none of the above answers
4 0
4 years ago
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Help8b2 • 2b3 a) 16b-2 ,b) 16b6 ,c) 16b-4 ,d) 16b5
Travka [436]

Answer:

16b^5

Step-by-step explanation:

8b^2×2b^3

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Solve: 5(x+2) = 3x + 5
MrRa [10]

Answer:

-2.5

Step-by-step explanation:

5(x+2) = 3x+5

5x+10=3x+5

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7 0
3 years ago
A prime number less than 100 is selected randomly. what is the probability that its square has units digit $7$?
liberstina [14]
Any number ends with 0, 1, 2, 3, 4, 5, 6, 7, 8 or  9

Given any number. The square of this number is the last digit of square of the original numbers units digit.

For example

23*23 ends with 9 (3*3=9)

149*149 ends with 1 (9*9=81)

2564*2564 ends with 6 (4*4=16) 

and so on

so all the possible unit digits of a square number are {0, 1, 4, 5, 6, 9}

because:

0*0= 0 ; 1*1=1; 2*2=4; 3*3=9; 4*4=16; 5*5=25, 6*6=36; 7*7=49; 8*8=64, 9*9=81

Thus, the probability that the square of a number selected from any set of numbers being 7, is 0.


Answer: 0
 

4 0
3 years ago
What is the volume of a hemisphere with a radius of 29.6 in, rounded to the nearest tenth of a cubic inch?
Ainat [17]

Answer:

V = 54316.7 in³

Step-by-step explanation:

V = 54316.7463 in³

6 0
3 years ago
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