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uysha [10]
2 years ago
13

What property is -2x - 2 + 5x​

Mathematics
1 answer:
kompoz [17]2 years ago
8 0

Answer:

3x-2

Step-by-step explanation:

-2x-2+5x=-2x+5x-2=3x-2

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Evaluate the expression when t = –6.4 and u = –2.8.
denis-greek [22]
-6.4 – 4(-2.8)
-6.4 – - 11.2 = 4.8

Your answer is B: 4.8
7 0
3 years ago
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Please help me with this questionnn!!! ​
PSYCHO15rus [73]

Answer:

B. 15

Step-by-step explanation:

Prime factors of 15 is 3 and 5

sum of 3 and 5 is 8

7 0
3 years ago
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What is the approximate distance between the points (-3,-4)(-8,1) on a coordinate grid?
Alex

\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ (\stackrel{x_1}{-3}~,~\stackrel{y_1}{-4})\qquad (\stackrel{x_2}{-8}~,~\stackrel{y_2}{1})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ d=\sqrt{[-8-(-3)]^2+[1-(-4)]^2}\implies d=\sqrt{(-8+3)^2+(1+4)^2} \\\\\\ d=\sqrt{25+25}\implies d=\sqrt{50}\implies d\approx 7.071

3 0
3 years ago
A woman walks due east on the deck of a ship at 4 mi/h. the ship is moving south at a speed of 24 mi/h. find the speed of the wo
grandymaker [24]

we are given

A woman walks due east on the deck of a ship at 4 mi/h.

the ship is moving south at a speed of 24 mi/h

so, firstly, we will draw diagram

so, we have

OW=4

OS=24

now, we can use Pythagoras theorem

SW^2=OS^2+OW^2

now, we can plug values

and we get

SW^2=24^2+4^2

SW=24.33

so,

the speed of the woman relative to the surface of the water is 24.33 mi/h .......Answer


6 0
3 years ago
If x = 12 and y = 3, what is the value of the following expression?
Natasha_Volkova [10]

Answer:

A: 19

Step-by-step explanation:

x-8+5y

12-8+(5x3)

12-8+15

4+15

19

I hope this helps

6 0
2 years ago
Read 2 more answers
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