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3 years ago

Gold chains sell for $2.50 per inch. How much did ryan spend for an 18-inch gold chain?

Mathematics

2 answers:

White raven [17]3 years ago

6 0

The answer is 45 because 2.50 times 18=45

maxonik [38]3 years ago

5 0

Answer:

$45 on an 18-inch gold chain

Step-by-step explanation:

2.50*18=45

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How do I do it! Answer pls givin the brainliest

pychu [463]

Ok so she has to pay 30 percent more of the 20 dollars she already has to pay because of the tax and then the tip so you multiply 20 by .30 which is six then you add that to 20 which is 26

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3 years ago

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Determine if the pair of triangles are similar or not.

dedylja [7]

Answer: SAS

Step-by-step explanation:

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3 years ago

What is the equation of a line passing through the points (-3, -2) and (2, 0)?

Lostsunrise [7]

Answer:

$y=0.400x+-0.800$

Step-by-step explanation:

Given the following question:

point A = (-3, -2)
point B = (2, 0)

To write the equation of the line that passes through two points we have to write the points in slope intercept form.

Formula for slope intercept:

$y=mx+b$

M is equal to the slope of the two points, so first we need to fine the slope of the two points.

$(-3,-2)=(x1,y1)$
$(2,0)=(x2,y2)$

$m=\frac{y2-y1}{x2-x1}$
$m=\frac{0--2}{2--3} =\frac{2}{5}$
$m=\frac{2}{5} =0.400$

$y=mx+b$
$y=-2$
$m=0.400$
$x=-3$
$-2=0.400(-3)+b$
$0.400\times-3=-1.20$
$-2+1.2=-0.800$
$b=-0.800$

$y=0.400x+-0.800$

Hope this helps.

7 0

2 years ago

What is the measure of CED

stepan [7]

Step-by-step explanation:

The measure of CED is p degree.

In triangle ABC and EDC,(Given)(Vertical opposite angles)

By AA rule of similarity,

Corresponding angles of similar triangles are same.

Therefore the measure of CED is p degree.

pls give brainest

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3 years ago

h = -16t^2 + 541? its been forever since i had to do this and frankly I'm completely lost. please if you answer this can you tea

natta225 [31]

A = -16 b = 0 c = 541
Use the quadratic formula which is
x = [-b +- sq root (b^2 -4*a*c)] / 2*a
x = [-0 +-sq root (0 -4*-16*541)] / 2 * -16
x = + - sq root (0 -4*-16*541) / -32
x = + - sq root (34,624) / -32
x = + - 186.075 / -32

x1 = 186.075 / -32 = -5.81484375 
x2 = -186.075 / -32 = 5.81484375

7 0

3 years ago

Gold chains sell for $2.50 per inch. How much did ryan spend for an 18-inch gold chain?​

Gold chains sell for $2.50 per inch. How much did ryan spend for an 18-inch gold chain?