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quester [9]
3 years ago
9

Please help. One is wrong for sure

Mathematics
2 answers:
astraxan [27]3 years ago
5 0
The d should be right 


Sergio [31]3 years ago
3 0
Your answer is D :) ♥♥♥♥♥♥
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Evaluate -1-3-(-9)+(-5)
babunello [35]

To evaluate this expression, we need to remember that subtracting a negative number is the same as adding a positive number, and that adding a negative number is the same as subtracting a positive number. Using this knowledge, let's begin to simplify the expression below:

-1 - 3 - (-9) + (-5)

Because addition of a negative number is the same as subtraction of a positive number, we can change + (-5) to -5, as shown below:

-1 - 3 - (-9) - 5

Next, because we know that subtracting a negative number is the same as adding a positive number, we can change - (-9) to + 9, as shown below:

-1 - 3 + 9 - 5

Now, we can subtract the first two terms and begin to evaluate our expression:

-4 + 9 - 5

Next, we can add the first two numbers of the expression:

5 - 5

Now, we can subtract our last two numbers, which gives us our answer:

0

Therefore, your answer is 0.

Hope this helps!

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3 years ago
Latex-free gloves can be purchased in a box of 100 for $44.95 or a box of 50 for $23.50.
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6 0
3 years ago
Read 2 more answers
Y = 5x + 7<br> 2x + y = -5<br> Are the equations parallel,<br> perpendicular, or neither?
Nezavi [6.7K]

Lines are neither perpendicular nor parallel.

Step-by-step explanation:

Step 1:

In equation 1, Y = 5X + 7

In equation 2,  Y = -2X -5

Step 2:

Slope Intercept form Y =mX +c

Where m = Slope

Slope of line 1 = 5

Slope of line 2 = -2

m1  is not equal to m2. Hence it is not parallel.

m1  × m2 is not equal to -1. Hence they are not perpendicular.

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vesna_86 [32]
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Write the equation of the graph in slope-intercept form (y = mx + b).​
JulijaS [17]

Answer:

Write the equation of the graph in slope-intercept form (y = mx + b).​

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