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3 years ago

Help!!!

Mathematics

2 answers:

Svetllana [295]3 years ago

8 0

Answer:

B. (-3, 5)

Step-by-step explanation:

B. (-3, 5) when we replace y=5 in y>-2 this inequality holds, and now we replace y=5 and x=-3 in x+y<4⇒ -3+5<4⇒2<4 this inequality holds too. but none of the other options are valid.

Then the correct answer is : B. (-3, 5)

Aleonysh [2.5K]3 years ago

3 0

Answer:

B. (-3, 5)

Step-by-step explanation:

Try them.

You can eliminate choice A because y=-3 is not greater than -2.

You can eliminate choices C and D because the sum of x and y is not less than 4.

Point (-3, 5) satisfies both inequalities. (Choice B)

5 > -2
-3 +5 = 2 < 4

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Which methods could you use to calculate the y-coordinate of the midpointof a vertical line segment with endpoints at (0,0) and

vodka [1.7K]

Answer:

y-coordinate of midpoint of line segment joining the endpoints (0,0) and (0,15) is 7.5

Step-by-step explanation:

Given two end points of line segment that are (0,0) and (0,15). If we have to find the y-coordinate of midpoint of a vertical line segment then we apply mid point formula.

The Midpoint formula is used when one is need to find the exact center point between two given points.

The mid point M of line segment $A(x_{1},y_{1})$ and $B(x_{2},y_{2})$ can be calculated as

$M(\frac{x_{1}+x_{2}}{2},\frac{y_{1}+y_{2}}{2})$

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4 years ago

Find 3 ratios that are equivalent to the given ratio. 5/15

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Answer:

Step-by-step explanation:

Find 3 ratios that are equivalent to the given ratio. 5/15

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3 years ago

Write an equation of the line passing through (-6, 1) that is perpendicular to the line 2x -5y = 2

Bess [88]

Answer:

y= -5/2 x + 14 (point slope form)

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Step-by-step explanation:

Perpendicular lines met the following condition

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To obtain m2, the slope of our desired line lets first re arrange the equation of the first line. 2x-5y=2, so. 2x-2=5y.

Isolating y, leads the following, result: y= 2/5 x - 2/5

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y=mx+b, we have m, which is -5/2, but still need to find value for b.

Lets now evaluate the above equation in the given point (-6,1).

1=-6 * -5/2 + b.

b=14.

Now we can say the equation that our desired line is

y= -5/2 x + 14 (point slope form)

Or... If we group variables 'x' and 'y' together

y+5/2 x = 14, we want integer coefficients, so lets multiply this expression by 2, to obtain the following:

2y+5x=28

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