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Ierofanga [76]
3 years ago
7

Find c if f (x)=-3 A.x=-3 B.x=5 C.x=6 D.x=-2

Mathematics
1 answer:
mestny [16]3 years ago
7 0
The answer is negative two
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Find the geometric mean of 275 and 11 275/x=x/11 x^2= 3025 x=sq rt 3025 now I'm not sure what to do.
Bogdan [553]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
you got it 
<span>except keep going to get </span>
<span>x = ±√3025 </span>
<span>x = ± 55 </span>


<span>check: </span>
<span>275 , 55, 11 </span>
<span>is 55/275 = 11/55 ? YES </span>
<span>is -55/275 = 11/=55 ? YES</span>

6 0
3 years ago
Solve 9x² - 6x + 1 = 0 using the Quadratic Formula.
andrezito [222]

Answer:1/3 i dont know if this is right i just kindly copied the guy on top

Step-by-step explanation:

7 0
3 years ago
Slick Slack is a downloadable app that can be used to automatically generate excuses for being late to work based on the weather
Greeley [361]

Answer:

(x_1,y_1) = (1,5840)

(x_2,y_2) = (2,13090)

y = 1812.5x + 4027.5

y_0 = 4027.5 --- y intercept

Step-by-step explanation:

Given:

x = weeks; y = copies

The right parameters are:

After 1 week, 5840 copies were downloaded

After 5 weeks, 13090 copies were downloaded

So, the (x,y) forms are:

(x_1,y_1) = (1,5840)

(x_2,y_2) = (5,13090)

Next, we calculate the slope (m) using:

m = \frac{y_2 - y_1}{x_2 - x_1}

m = \frac{13090 - 5840}{5 - 1}

m = \frac{7250}{4}

m = 1812.5

The equation is then calculated using:

y = m(x - x_1) + y_1

y = 1812.5(x - 1) + 5840

y = 1812.5x - 1812.5 + 5840

y = 1812.5x + 4027.5

To calculate the y intercept, substitute 0 for x

y_0 = 1812.5*0 + 4027.5

y_0 = 0 + 4027.5

y_0 = 4027.5

7 0
2 years ago
What are the roots of the equation x^2+4x-5=f(x)
enyata [817]

Answer:

The roots are -5, 1.

Step-by-step explanation:

f(x) = x^2 + 4x - 5

The roots of a function are also the Ox intercepts, so basically we're finding when is the function equal to '0'.

x^2 + 4x - 5 = 0\\(x-1)(x+5) = 0\\x_1 = 1, x_2 = -5

3 0
3 years ago
When rewriting y = 2x + 1 in function notation, what do you replace with f(x)?
zmey [24]
You replace the y with f(x)
So it becomes f(x)=2x+1
6 0
3 years ago
Read 2 more answers
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