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yulyashka [42]
3 years ago
13

A line goes through the point (6,–2) and has a slope of –3.

Mathematics
2 answers:
velikii [3]3 years ago
8 0

Answer:

3

Step-by-step explanation:

Mama L [17]3 years ago
3 0
Y = mx + b
slope(m) = -3
(6,-2)...x = 6 and y = -2
sub and find b, the y int
-2 = -3(6) + b
-2 = -18 + b
-2 + 18 = b
16 = b
so ur equation for this line is : y = -3x + 16

(a,7)......so y = 7......" a "  is gonna be x

y = -3x + 16
7 = -3x + 16
7 - 16 = -3x
- 9 = -3x
-9/-3 = x
3 = x..........so " a " is gonna be 3 <===
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Please show your work
evablogger [386]

Answer:

y = x/3 - 2 or f(x) = x/3 - 2

Step-by-step explanation:

f(x) = y

y = 3x + 6

To solve for inverse change y to x and x to y and solve for y.

x = 3y + 6 //Subtract 6 on both side

x - 6 = 3y //Divide 3 on both side

x/3 - 6/3 = y //Simply

y = x/3 - 2

3 0
3 years ago
Please!! I have to do this by tonight!!
Aneli [31]

Answer:

Prob.3

Denote r: radius of circle O

Formula for calculating AOB sector:

Area = pi*r^2*angle/360

Area = pi*r^2*45/360 = 18 pi

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=> r = 12

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(answer : r = 6)

4 0
3 years ago
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Amiraneli [1.4K]
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5 0
3 years ago
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F(x)= x^2 -16x+63 find the x-intercepts of this function
Ahat [919]

Answer:

The x-intercepts will be, x= 7 or x =9

Step-by-step explanation:

f(x)= x^2 -16x+63

At the x-intercept, f(x) is zero.

Therefore;

x² - 16x + 63 = 0

solving it quadratically;

product = 63

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x² - 9x - 7x + 63 = 0

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(x-7) (x-9) = 0

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Therefore;

The x-intercepts will be, x= 7 or x =9

8 0
3 years ago
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kifflom [539]

Answer:

value of x = 4

Step-by-step explanation:

here's the solution : -

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shifting like terms aside,

=》6 - 8 = 5x - 9x + 2x

\_(●_●)_/

=》-2 = -2x

=》x = -2 / -2

=》x = 1

8 0
3 years ago
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