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Solnce55 [7]
3 years ago
5

Show proof and show work for brainliest

Mathematics
2 answers:
andrew-mc [135]3 years ago
7 0

Answer:

-2(4-1)

Step-by-step explanation:

Do parentheses first because of PEMDAS. That means 4-1 equals 3. Then take -2 and times it by the 3 to get -6.

DanielleElmas [232]3 years ago
7 0

Answer:

The answer would be -2(4-1)

Step-by-step explanation:

-2 multiplied by 4 is -8

-2 multiplied by -1 is 2

you then add -8 and 2 which equals -6

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ur mom = gay

Step-by-step explanation:

7 0
3 years ago
"Cyber Monday is a huge online shopping day. In 2017, approximately 21% of Cyber Monday shoppers used their mobile device to mak
Svetlanka [38]

Answer:

11.55% probability that the purchase was made with a mobile device and was from Amazon.

Step-by-step explanation:

We have these following probabilities:

21% probability that a Cyber Monday shopper used their mobile device to make a purchase.

55% probability that a purchase made with a mobile device is from Amazon.

What is the probability that the purchase was made with a mobile device and was from Amazon."

55% of 21%

So

P = 0.21*0.55 = 0.1155

11.55% probability that the purchase was made with a mobile device and was from Amazon.

5 0
4 years ago
Write each phrase as an algebraic expression<br><br> “One-half of x plus 2”
Tcecarenko [31]

Answer:1/2x+2

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Trapezoid TRAP was dilated by a scale factor of one half to create trapezoid T'R'A'P'.
alexira [117]

Answer:

Point X

Step-by-step explanation:

If you look, you can see that X is the center point for both TRAP and T'R'A'P'. I also just took the test myself and got it correct.

Hope this helps!

6 0
3 years ago
Read 2 more answers
Need help bad! Number 21 to be exact.
alisha [4.7K]
#21)
<span>Using Pythagorean Theorem a^2 + b^2 = c^2
so
</span>a^2 = c^2 - b^2


x^2 = 42^2 - 38^2
x^2 = 1764 - 1444
x^2 = 320
 x =√320
 x = √(64 * 5)
 x = 8√5
8 0
3 years ago
Read 2 more answers
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