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3 years ago

What is the residual value when the price of jeans is $28.00?

Mathematics

1 answer:

galina1969 [7]3 years ago

4 0

well the answer is 1.13 because id you divide 28 in to 42 then you will get 1.13

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The graph of the equation y = –x + 2 is a linear function.

Cloud [144]

Answer: D

Step-by-step explanation:

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4 years ago

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Need help asap before I die these are my last words..

Radda [10]

First you have to figure out what each equation is. The straight horizontal line is dotted so it is < or >. It runs through y = 1 and the shading is above it so our inequality for that one is y > 1. The other line is on a slant so it has a slope and since it is solid, it will be $\leq$ or $\geq$ . The line goes through the origin, so the y-intercept is 0, and from that point, if we go up 2 and over 1 we find another point on the line. That means that the slope is 2/1 or 2. Since it goes through the origin, the equation for that line is y = 2x. But we need the inequality. It looks like the solutions to this line are those that are above it, as well. So $y \geq 2x$ . Our solution, then, is the last choice above, d.

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3 years ago

Find the slope or rate of change.

Dima020 [189]

Answer:

$m=\frac{5}{3}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

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

Step-by-step explanation:

Step 1: Define

Find points from graph

Point (-2, 0)

Point (1, 5)

Step 2: Find slope m

Substitute: $m=\frac{5-0}{1+2}$
Subtract/Add: $m=\frac{5}{3}$

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3 years ago

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Tomtit [17]

Answer:

Step-by-step explanation:

The lateral surface area is given by pi*r*l, we can use trigonometry to find l. 8*sqrt(3)/l=sin(60), l=16 and r is given by tan(60)=8*sqrt(3)/r, r=8. The lateral surface area is 16*8*pi=128*pi

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3 years ago

Thirty times the square of a non-zero number is equal to eight times the number. what is the number?

Fed [463]

let a non zero number be x

30 times the square root of a non zero number is 30sqrt%28x%29

equal to 8 times the number is 8x

so, we have

30sqrt%28x%29=8x...you can solve for x if you square both sides

%2830sqrt%28x%29%29%5E2=%288x%29%5E2

30%5E2%28x%29=64x%5E2

900x=64x%5E2

64x%5E2-900x=0

x%2864x-900%29=0....use zero product rule

x%2864x-900%29=0 if x=0..this is a solution, but our number should be non zero; so, we need other solution

or if %2864x-900%29=0 => 64x=900=> x=900%2F64=> x=14.0625

so, a non zero number be x=14.0625 and this is your solution

let's check this solution:

30sqrt%28x%29=8x

30sqrt%2814.0625%29=8%2A14.0625

30%283.75%29=112.5

112.5=112.5.....this confirms that our answer is correct .

sorry i messed up there.

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4 years ago

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