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3 years ago

Triangle and triangle are similar. What is the measure of side ?

Mathematics

1 answer:

Maslowich3 years ago

3 0

Answer:

the sides will not be equal, they will be proportionate

Step-by-step explanation:

if one side was 2, the one on the second one will be for example 4

if another was 5, the one on the second triangle has to be 10

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Given that the expression x³_ ax² + bx+c leaves the same remainder when divided by x + 1 or x-2, find 'a' in terms of 'b'.

goblinko [34]

Answer:

Hi,

a=b+3

Step-by-step explanation:

$\begin{array}{c||c|c|c|c}&x^3&x^2&x&1\\---&---&---&---&---\\&1&-a&b&c\\x=-1&&-1&a+1&-a-b-1\\---&---&---&---&---\\&1&-a-1&a+b+1&c-a-b-1\\\end{array}$

$\begin{array}{c||c|c|c|c}&x^3&x^2&x&1\\---&---&---&---&---\\&1&-a&b&c\\x=2&&2&4-2a&2b+8-4a\\---&---&---&---&---\\&1&2-a&b+4-2a&c+2b+8-4a\\\end{array}$

Thus:

c+2b+8-4a=c-a-b-1

3b-3a=-9

a=b+3

5 0

2 years ago

Find the slope of the line containing points (1,3) (-3,-8)

Dmitry_Shevchenko [17]

Y=mx+c
1/-3=m3/8+c
m= 11/4

4 0

3 years ago

Determine the graph of the polar equation r=4/(1-1/2cosx(theta))

crimeas [40]

Answer:

see below

Step-by-step explanation:

We assume you want the graph of ...

$r=\dfrac{4}{1-\frac{1}{2}\cos{(\theta)}}$

A graphing calculator or spreadsheet is useful for this.

You know cos(θ) = cos(-θ), so the graph is symmetrical about the x-axis. You can evaluate the function at a few points to find the general outline.

r at 0° = 8

r at 30° ≈ 7.05

r at 45° ≈ 6.19

r at 60° ≈ 5.33

r at 90° = 4

r at 120° = 3.2

r at 135° ≈ 2.96

r at 150° ≈ 2.79

r at 180° ≈ 2.67

6 0

3 years ago

The function f(x) = 2x – 3 is graphed below. What is the y-intercept?

Amanda [17]

Answer:

ill give u the answer if u do 73 divided by 2628

Step-by-step explanation:

3 0

3 years ago

5 Find each probability if you pick two marbles without replacing the first (G = green; R = red; Y = yellow).

Dennis_Churaev [7]

Answer:

Sorry but your question is incomplete!

it's impossible to answer this question if we don't know the total number of outcomes

I'm referring to writing the question instead of OCR-ing it

4 0

3 years ago