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Goryan [66]
3 years ago
10

F(x) = 4x - 9 i need helpp

Mathematics
2 answers:
Masteriza [31]3 years ago
5 0

Answer:

Step-by-step explanation:

10

Lena [83]3 years ago
4 0

Answer: The answer is

y=4x−9

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2/440              Original Mathematical Expression.

1/220               Divide numerator and denominator by 2.

This equals . . .

0.004545454545 repeating

(I just plugged 1/220 into calculator)

Final Answer: 1/220 or 0.004545454545 repeating
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Sandy decides to try golfing. She stands on the outer edge of a circular putting green. In the very centre if this putting green
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At what point on the parabola y = 3x^2 + 2x is the tangent line parallel to the line<br> y = 10x −2?
oksian1 [2.3K]

Answer:

( \frac{4}{3} , 8 )

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = 10x - 2 ← is in slope- intercept form

with slope m = 10

Parallel lines have equal slopes

then the tangent to the parabola with a slope of 10 is required.

the slope of the tangent at any point on the parabola is \frac{dy}{dx}

differentiate each term using the power rule

\frac{d}{dx} (ax^{n} ) = nax^{n-1} , then

\frac{dy}{dx} = 6x + 2

equating this to 10 gives

6x + 2 = 10 ( subtract 2 from both sides )

6x = 8 ( divide both sides by 6 )

x = \frac{8}{6} = \frac{4}{3}

substitute this value into the equation of the parabola for corresponding y- coordinate.

y = 3(\frac{4}{3} )² + 2

   = (3 × \frac{16}{9} ) + 2

   = \frac{16}{3} + \frac{8}{3}

   = \frac{24}{3}

   = 8

the point on the parabola with tangent parallel to y = 10x - 2 is ( \frac{4}{3} , 8 )

3 0
2 years ago
A coin is thrown 3 times. What is the probability that at least one head is thrown?.
zvonat [6]

Answer:7/8

A coin is tossed 3 times. The probability of getting at least one head is 7/8.

3 0
2 years ago
Read 2 more answers
dina called her friend to tell her that she saved 30% on her new skirt at a discount store. Her friend told her that she could h
Triss [41]

Answer:

She could have saved 1.8 more dollars.

Step-by-step explanation:

30% is the same as 0.3. 0.3 times 54$ is 16.2$. 1/3 times 54$ is 18$. 18$ - 16.2$ is 1.8$.

4 0
2 years ago
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