3 years ago

HELP PLEASE :( I WOULD APPRECIATE SO MUCH

Mathematics

1 answer:

aleksklad [387]3 years ago

4 0

Answer:

It has no solution because the two lines would never meet since they have the same slope of -3

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2. Evaluate the expression for a = –1 and b = 5. Show your work. 5a – 7b + b2

Katen [24]

Greetings!

Input the values which represent the variables:
$=5a-7b+b^2$

$=5(-1)-7(5)+(5)^2$

Solve following the Order of Operations:
$=5(-1)-7(5)+25$

$=-5-7(5)+25$

The Answer Is:
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I hope this helped!
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5.8 = x/2.2 A: 127.6 B: 0.37 C: 3.7 D: 12.76

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Hi there! To solve this, all we have to do is multiply each side by 2.2 to cancel out the variable and to find the value for it. 5.8 * 2.2 is 12.76. 12.76/2.2 is 5.8. x = 12.76. The answer is D.

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3 years ago

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In which quadrant is (-1/2, -1.8)?

andrey2020 [161]

X = -1/2 (negative)
y = - 1.8 (negative)

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3 years ago

Show that the quadrilateral is a parallelogram.

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Answer:

opposite sides have the same slope, so it is a parallelogram

Step-by-step explanation:

A parallelogram has opposite sides that are parallel. Here, one pair of opposite sides consists of horizontal lines. Both have zero slope, so are parallel.

The other pair of lines each has a "rise" of 3 units for each "run" of 2 units, so the lines have a slope of 3/2. Both lines have the same slope, so are parallel.

Since opposite sides are parallel, the figure is a parallelogram.

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