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borishaifa [10]
2 years ago
14

I really need help plz

Mathematics
1 answer:
balu736 [363]2 years ago
7 0

Answer:

B

Step-by-step explanation:

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Kx - c = 9 solve for x
Gennadij [26K]

Answer:

x = \frac{9+c}{k}

Step-by-step explanation:

Given

kx - c = 9 ( add c to both sides )

kx = 9 + c ( isolate x by dividing both sides by k )

x = \frac{9+c}{k}

8 0
2 years ago
Read 2 more answers
(X-2)²+(y-1)²=25 how do you do this problem?
Tasya [4]
(x-x_c)^2+(y-y_c)^2=r^2\\
(x_c,y_c) - \text{center}\\\\
(x-2)^2+(y-1)^2=25\\
\text{center}=(2,1)\\
r=\sqrt{25}=5
5 0
2 years ago
Find the vertex of the graph of the function. f(x) = 2x^2 - 8x + 9
Rashid [163]

\bf \textit{vertex of a vertical parabola, using coefficients} \\\\ f(x)=\stackrel{\stackrel{a}{\downarrow }}{2}x^2\stackrel{\stackrel{b}{\downarrow }}{-8}x\stackrel{\stackrel{c}{\downarrow }}{+9} \qquad \qquad \left(-\cfrac{ b}{2 a}~~~~ ,~~~~ c-\cfrac{ b^2}{4 a}\right) \\\\\\ \left(-\cfrac{-8}{2(2)}~~,~~9-\cfrac{(-8)^2}{4(2)} \right)\implies \left( \cfrac{8}{4}~~,~~9-\cfrac{64}{8} \right) \\\\\\ (2~~,~~9-8)\implies (2~~,~~1)

5 0
3 years ago
A construction crew is paving a road. The crew has already paved 1,000 square feet and can pave at a rate of 300 square feet of
denis23 [38]

Answer:

1,900 square feet; f(3) represents the total number of square feet the construction crew has paved after 3 hours.

The function of the construction crew is an illustration of a linear function

The value of f(3) is 1900, and f(3) represents the total number of square feet paved after working for 3 hours

The function is given as:

To calculate f(3), we substitute 3 for x

Multiply 300 and 3

Add 900 and 1000

This means that the value of f(3) is 1900.

And it represents the total number of square feet paved after working for 3 hours

1,900 square feet; f(3) represents the total number of square feet the construction crew has paved after 3 hours.

6 0
2 years ago
HELP BEEN STUCH FOR 30 MIN
Jobisdone [24]
Start by plugging 0 into the equation and see which ones give you 350 back. Those equations are the right ones,
6 0
3 years ago
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