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SashulF [63]
3 years ago
12

PLEASE HELP EXPLAIN IT TO ME HOW TO DO THIS I AM BEGGING

Mathematics
1 answer:
Anarel [89]3 years ago
7 0
1 1/2 -2 1/4 will give you the rule
I it helps
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Someone plz answer this problem <br> r + (-5) &lt; -3.
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Answer: r<2

Step-by-step explanation:

r-5+5<-3+5

Cancel out,

r<2

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What is the mean of 73 77 84 84 36 115
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A pair of radar stations monitors the path of a helicopter. Station A is located at the origin of a coordinate plane. Station B
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A

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What is the x-intercept of y = 3x² + 6x + 3 ?<br> o<br> 1<br> -1<br> 3
Veronika [31]

Answer:

Therefore the  x-intercept of

y=3x^{2}+6x+3

is

x=-1

Step-by-step explanation:

Intercepts:

The line which intersect on x-axis and y-axis are called intercepts.

There are two intercepts:

y-intercept: The line which intersect at y-axis. So when the line intersect at y-axis X coordinate is zero.

x-intercept: The line which intersect at x-axis. So when the line intersect at x-axis Y coordinate is zero.

For  x-intercept of y = 3x² + 6x + 3

put y = 0

0=3x^{2}+6x+3

Dividing throughout by 3 we get

0=x^{2}+2x+1

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Which is nothing but in the identity form of (A+B)² = A² +2AB +B²

A = x

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Therefore Equation becomes

(x+1)^{2}=0\\x+1=0\\x=-1

Therefore the  x-intercept of

y=3x^{2}+6x+3

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x=-1

5 0
4 years ago
A magazine advertises that a subscription price if $29.99(for12 issues) represents a savings of 70% from the newsstand price.Wha
Ede4ka [16]
$29.99 is the final price.
"y" is the original price.
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y - .7y = 29.99
.3y = 29.99
.3y/.3 = 29.99/.3
y = 99.96667
y = $99.97 (rounded)
7 0
3 years ago
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