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2 years ago

Please answer with work explanation (if possible)

Mathematics

1 answer:

andrey2020 [161]2 years ago

4 0

Answer:

$357.42

Step-by-step explanation:

So first I multiplied $425.50 by 20%.

$425.50 * 0.20= 85.10

$425.50- 85.10= $340.40

$340.40 * 0.05 = $17.02

$340.40 * 0.07 = $23.828

$340.40 + 23.828 + 17.02= $ 357.42

The sale price of Dean's guitar is $357.42.

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What's the perimeter of a rectangle with length 12 m and width 5 m

Pie

12+12=24+5+5=34 meters squared

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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;

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This implies that;

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$0=(x-x_1)$

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2 years ago

Three randomly selected households are surveyed. The numbers of people in the households are 3, 5, and 10. Assume that samples

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Answer:

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Step-by-step explanation:

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2 years ago

Limit

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Rationalize the numerator:

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This is continuous at $x=0$ , so we can evaluate the limit directly by substitution:

$\displaystyle\lim_{x\to0}\frac{\sqrt{x+4}-2}x=\lim_{x\to0}\frac1{\sqrt{x+4}+2}=\frac1{\sqrt4+2}=\frac14$

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3 years ago

What properties does a square have in common with a quadrilateral?

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Hey there

<span>Quadrilateral "four sided shape"</span>
A Quadrilateral has four-sides and<span> it is </span>2-dimensional shape
Squares and quadrilaterals have
4 sides
4 vertices

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2 years ago

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