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Evgesh-ka [11]
3 years ago
11

1.2 -(-2.5) is positive ?

Mathematics
2 answers:
vodomira [7]3 years ago
5 0

Answer: solution is 3.7 which is positive

Step-by-step explanation:

the 2 negative signs cancel each other out

DanielleElmas [232]3 years ago
5 0
No it’s is negative -1.3 but mark me brainliest.
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ABCD is a rectangle. MBCE = 4x-23 and mDCE = 5+5x.
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Is it asking for x ?
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The midpoint of XZ is Y. Which of the following is true
sveta [45]
It’s should be D
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It can also equal to 2XY=XZ, or 2ZY=XZ.

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3 years ago
The table shows how the number of cars, c, depends on the number people, t. How would you write this as an equation?
Nataly [62]

Answer:

t = 3c - 5

Step-by-step explanation:

The relation between c and t is linear as the increase of the value of t is uniform for each unit increase in the value of c.

Now, any two points on the graph of the t = f(c) equation are sufficient to determine the equation.

Let the points are (2,1) and (3,4).

So, using two points formula of straight line we get the equation is  

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6 0
3 years ago
Need help on questions 1, and 2 please
finlep [7]
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7 0
3 years ago
Which choice answer is it?
Debora [2.8K]

Your answer would be option (1) -3x² - 18x + 19.

To find this we need to substitute in the G and F expressions into G - 3F and see what the outcome is, as this will give us the answer.

First I’m going to multiply the F expression, 2x² + 6x - 5, by 3:

3 × (2x² + 6x - 5) = 3(2x²) + 3(6x) - 3(5) = 6x² + 18x - 15.

Now we need to subtract this expression from G, which is 3x² + 4, which I will do by term:

3x² - 6x² = -3x²

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4 - -15 = 19

So therefore overall your answer is -3x² - 18x + 19.

I hope this helps! Let me know if you have any questions :)

8 0
3 years ago
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