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Luba_88 [7]
4 years ago
7

If y=x^2, then which expression is equivalent to -y?

Mathematics
1 answer:
iris [78.8K]4 years ago
8 0

Answer:

Step-by-step explanation:

D

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Which lines are perpendicular to the line y - 1= 1(x+2)? Check all that apply
Vesnalui [34]

Step-by-step explanation:

Given the line y-1 = 1(x+2), in order to know the line that is perpendicular to the given line, we will first find the slope of the known line.

The standard form of equation of a line is expressed as y = mx+c

m is the slope

c is the intercept

Rewrite the equation given

y-1 = 1(x+2)

y-1 = x+2

y = x+2+1

y = x+3

Comparing to the standard form, the slope m = 1.

For two lines to be perpendicular, the product of their slope must be -1 i.e mM = -1

Substitute

1(M) = -1

M = -1

For us to know the line that is perpendicular to the given line, its slope must be -1.

<em>Since none of the equation has a slope of -1, hence none of the lines are perpendicular to the line y - 1= 1(x+2).</em>

<em></em>

6 0
3 years ago
B)
irina1246 [14]

Answer:

$13,392

Step-by-step explanation:

it will cost that because 1240 times 10.8 = 13,392

8 0
3 years ago
If the area of a rectangle equals 28 square centimeters what is the height?
Slav-nsk [51]
So the  length and width would be 7 and 4. hope that helped
3 0
4 years ago
In one year Megan spent 359.94 on her gym membership at the same monthly rate of 59.99. Write an equation to represent this situ
Thepotemich [5.8K]

Answer:

359.94 = 59.99 * X

Step-by-step explanation:

The situation is determined by the following equation:

T = M * X

Being M the monthly value, that is to say 59.99

T the total value, that is 359.94

And X would be the number of months, and at the same time the variable.

In this case it would be like this:

359.94 = 59.99 * X

If we solve for X, we are left with:

X = 359.94 / 59.99

X = 6

That is to say that Megan went to the gym for 6 months of the year

7 0
4 years ago
-|-16| divided by(-8) multiplyed by25
Lynna [10]

Answer:

50

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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