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RideAnS [48]
3 years ago
12

Is -2-x the same as -2x?

Mathematics
1 answer:
garik1379 [7]3 years ago
4 0

Answer:

yes

Step-by-step explanation:

the variable cannot have a negative symbol, unless it has no number.

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HELP ASSAP WITH THIS QUESTION!!!!
avanturin [10]
(-5,6) (-5,-6) (4,-6)
I hope it helps you!!

3 0
3 years ago
Five friends take a maths test
gulaghasi [49]

Answer:

Adam scored 60, Brandon scored 66, Chen scored 74, Damion scored 75, and Erica scored 75.

Step-by-step explanation:

Since five friends took the maths test, and Adam, Brandon, and Chen together together scored 200 marks; Brandon, Chen and Damion together scored 215; Chen, Damion and Erica together scored 224; and Damion and Erica scored more than Chen; While the five of them together scored 350 marks, to determine what are their individual scores the following calculations must be performed:

Adam + Brandon + Chen = 200

Damion + Erica = 150

Brandon + Chen + Damion = 215

Adam + Erica = 135

Chen + Damion + Erica = 224

Adam + Brandon = 126

Adam + Brandon = 126 + Chen = 200

Chen = 200 - 126

Chen = 74

Damion and Erica scored more than Chen

Chen + Damion + Erica = 224

74 + Damion + Erica = 224

Damion + Erica = 150

Damion = 75

Erica = 75

Brandon + Chen + Damion = 215

Brandon + 74 + 75 = 215

Brandon = 215 - 74 - 75

Brandon = 66

Adam = 350 - 75 - 75 - 74 - 66

Adam = 60

Therefore, Adam scored 60, Brandon scored 66, Chen scored 74, Damion scored 75, and Erica scored 75.

3 0
2 years ago
Find the x and y intercepts of 6x+3y=30
OlgaM077 [116]
X intercept is 5,0
y intercept is 0,10
3 0
3 years ago
Read 2 more answers
Write an equation of a line in slope intercept from given (6,4) (5,2)
Oksana_A [137]

Answer:

y=2x-8

Step-by-step explanation:

<em>Slope-Intercept Form </em>

<em>y=mx+b where y and x are variables, m is the slope, and b is the y-intercept</em>

<u>1. Find slope using the slope formula </u>\frac{y_{2}-y_{1} }{x_{2}-x_{1}}

\frac{2-4}{5-6} =\frac{-2}{-1} =2

You now have

y=2x+b

<u>2. Plug in one of the given points into the equation and solve for b</u>

y=2x+b

2=2(5)+b

2=10+b

-8=b

<u>Final Answer:</u>

y=2x-8

5 0
2 years ago
Here are four digits.
brilliants [131]

Answer:

23

sorry if I'm wrong, I just guessed..

4 0
3 years ago
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