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Alik [6]
3 years ago
11

Plz help me well mark brainliest if correct!!....

Mathematics
1 answer:
andrey2020 [161]3 years ago
3 0

Answer:

The first one is correct.

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Brainliest!!! Answer quick
solong [7]

Answer: 1mi/5280

Step-by-step explanation: I dunno how to explain this. Its really easy. Always have the converting unit on the denominator

6 0
3 years ago
What is the slope of the line than contains (4, -1) and (3, 3)
Tcecarenko [31]

Answer: -4

Step-by-step explanation:

m= y2−y1/ x2−x1

= 3−−1 /3−4

= 4/ −1

=−4

5 0
3 years ago
-(5) + 9=<br><br>Need help please
Vera_Pavlovna [14]
The answer is 4 hope this helps
7 0
3 years ago
Read 2 more answers
What last number of 18^1000?
amid [387]
The last digit will simply be equal to 8^1000, since the 10 will not have any effect on the units digit.  Take the first few powers of 8, examining only the last digit:
8^1=8
8^2=4
8^3=2
8^4=6
8^5=8
8^6=4

We see that it continues in this pattern.  Powers evenly divisible by 4, therefore, end in 6.  Since 1000 is divisible by 4, 8^1000 ends in 6, so 18^1000 also ends in 6.
6 0
3 years ago
NEED HELP IN NUMBER 12 and 13 PLEASEEEE
pochemuha

Answer:

12.) b = (2S/n) - a

13.) x = 1000 - 20y

Step-by-step explanation:

12.) *goal is to isolate b

S = n/2 (a + b)

S(2/n) = a + b

**multiply both sides by 2/n to get rid of n/2

(2S/n) - a= b

***subtract a from both sides to leave b alone on one side

13.) *goal is to isolate x

0.30x + 6y = 300

0.30x = 300 - 6y

** subtract 6y from both sides

x = (300 - 6y)/ 0.30

*** divide 0.30 from both sides to leave x bu itself

x = 1000 - 20y or -20y +1000

****300 ÷ 0.30 = 1000

-6 ÷ 0.30 = -20

Done!

5 0
3 years ago
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