The two triangles below are similar. Which pair are corresponding sides?

Mathematics

1 answer:

yanalaym [24]3 years ago

7 0

Answer:

MN : QR

LN : PQ

LM : PR

Step-by-step explanation:

The ratio seems to be 1 : 2.2

So the corresponding sides are:

MN : QR

LN : PQ

LM : PR

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Would love some help

natali 33 [55]

<h3>Answer: 90 cubic meters</h3>

Each triangle has a base of 10 and height of 3.6

area of triangle = 0.5*base*height = 0.5*10*3.6 = 18 square meters

multiply this with the height of the prism (5 meters) to get 18*5 = 90 cubic meters. I'm using the idea that,

volume of prism = (area of base face)*(height of prism)

The notation "m^3" is shorthand for "cubic meters"

We do not use the other dimensions of 9 m and 7 m.

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3 years ago

You are debating about whether to buy a new computer for $800.00 or a refurbished computer with the same equipment for $640.00.

liraira [26]

APR refers to annual interest rate i e 4.5%

Difference:-

800-640
160$

Now

Interest:-

160(0.045)
7.20$

Total savings:-

160+7.20
167.20$

Remember the code:-

Question's calculations mostly given in its options

4 0

2 years ago

The roots of a quadratic equation ax2+bx+c=0 are 1+i 5 and 1−i 5 . Find possible values of a, b and c.

Anarel [89]

Answer:

Step-by-step explanation:

If the roots are 1 + 5i and 1 - 5i, then you need the factors that result from those roots. They are (x - 1 + 5i) and (x - 1 - 5i). Now what you do with those is FOIL them out. Doing that gives you the following:

$x^2-x+5ix-x+1-5i-5ix+5i-25i^2$ (what a mess, huh?)

The good thing is that several of those terms cancel each other out. +5ix cancels out the -5ix; -5i cancels out the 5i; and the 2 -x terms combine to -2x. That leaves you with:

$x^2-2x-25i^2$

Obviously you're in the section in math that deals with complex (imaginary) numbers so you should know that i-squared is equal to -1. Making that replacement:

$x^2-2x+25$