3 years ago

Which of the following figures are quadrilaterals?

Mathematics

1 answer:

AfilCa [17]3 years ago

5 0

Square , rectangle , rombus , parallelogram

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natka813 [3]

64
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2 years ago

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sergeinik [125]

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2 years ago

A woman put $580 into a saving account for one year. The rate of interest on the account was 6.5%. How much was the interest for

svetlana [45]

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answer
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2 years ago

Consider m = y2 - y1/ x2 - x1 . Which x1 and x2-values would determine that the line is vertical? Justify your answer

Y_Kistochka [10]

Answer:

$x_2=x_1$

Step-by-step explanation:

We were given the slope formula;

$m=\frac{y_2-y_1}{x_2-x_1}$

This line is vertical if the denominator is zero.

That is when $x_2-x-1=0$

This implies that;

$x_2=x_1$

Justification;

When $x_2=x_1$ , then, the line passes through;

$(x_1,y_1)$ and $(x_1,y_2)$

The slope now become

$m=\frac{y_2-y_1}{x_1-x_1}=\frac{y_2-y_1}{0}$

The equation of the line is

$y-y_1=\frac{y_2-y_1}{0}(x-x_1)$

This implies that;

$0(y-y_1)=(y_2-y_1)(x-x_1)$

$0=(y_2-y_1)(x-x_1)$

$\frac{0}{y_2-y_1}=(x-x_1)$

$0=(x-x_1)$

$x=x_1$ ... This is the equation of a vertical line.

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2 years ago

Someone smart pls help

OleMash [197]

Answer:

Step-by-step explanation:

-2^2=-4

3^2=9

add

-4+9=5

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2 years ago