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swat32
3 years ago
12

Hello! Please Help Its just one simple Question ^^

Mathematics
1 answer:
Flura [38]3 years ago
4 0

\\ \sf\longmapsto f(x)=112-kx

  • f(-3)=121

Put -3 in f(x)

\\ \sf\longmapsto f(-3)=121

\\ \sf\longmapsto 112-k(-3)=121

\\ \sf\longmapsto 112+3k=121

\\ \sf\longmapsto 3k=9

\\ \sf\longmapsto k=3

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Suppose that g (x) varies inversely with x and g (x)=0.2 when x = 0.1.
CaHeK987 [17]

Answer : 0.0125

Suppose that g (x) varies inversely with x and g (x)=0.2 when x = 0.1.

If x varies inversely with y then y=k/x

Where k is constant of proportionality

g (x) varies inversely with x , so g(x) = \frac{k}{x}

g (x)=0.2 when x = 0.1

Plug in the values and solve for k

g(x) = \frac{k}{x}

0.2 = \frac{k}{0.1}

Multiply 0.1 on both sides

0.02 = k

so g(x) = \frac{0.02}{x}

Now we need to find g(x) when x= 1.6

Plug in 1.6 for x  and find out g(x) in the above equation

g(x) = \frac{0.02}{1.6}

g(x)= 0.0125



4 0
3 years ago
Distributive property/collecting like terms. 4n -2 - 2n
marusya05 [52]

Distributive property: a(b + c) = ab + ac

4n - 2 - 2n = 2(2n - 1 - n)

4n - 2 - 2n = 2n - 2 = 2(n - 1)

7 0
3 years ago
a line with the slope of 1/3 passes through the points of (6,0). what is the equation in slope intercept form?​
sleet_krkn [62]

Answer:

y = 1/3x -2

Step-by-step explanation:

the equation for slope intercept form is y= mx + b.

m is the slope and b is where the line crosses the y-axis which is called the y-intercept.

to find the y-intercept plug in a coordinate on the line (6,0)

0 = 1/3(6) + b

then solve for b by first multiplying 1/3 by 6

0 = 2 + b

subtract 2 from both sides

-2 = b

and then you can plug b into the equation

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8 0
3 years ago
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Dmitry [639]

Answer:

X=10, x=4

Step-by-step explanation:

first, divide 14 by 2, and square it; giving you

x^2-14x+(7)^2=-40

Because 7^2 is 49, you have to add 49 to the other side; giving you

x^2-14x+(7)^2=9

Then factor the left side; giving you (x-7)^2=9

Take the square root of both sides, giving you

(x-7)^2= plus or minus 3

Then solve to get two solutions, 10 and 4

8 0
3 years ago
Caleb strung a 12 foot rope from the bottom of one fence post to the top of another. He measured the angle of elevation of the r
OLEGan [10]
The answer for this question is b because the angle of elevation of the rope as 35°
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