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2 years ago

9

Consider the division problem. 68)472 Which would be the best replacement for 68 to get a quick, but close, estimate of this quo

tient O A. 50 ОВ. 65 OC. 69 D. 70 E. 100

1 answer:

Savatey [412]2 years ago

4 0

Answer:

Step-by-step explanation:

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Show how you got y answers

trasher [3.6K]

Answer:

y = x - 3

Step-by-step explanation:

3x - 3y = 9

3x - 9 = 3y

x - 3 = y

y = x - 3

Then plug and chug for y by entering the given x values

3 0

2 years ago

What is 350 over 100 as a percentage?

NemiM [27]

this is really 35 percent

7 0

3 years ago

19. What is the equation of the line in slope-intercept form that passes through the point (24,9) and 1/8

Y_Kistochka [10]

Answer:

y=1/8x+6

Step-by-step explanation:

y-y1=m(x-x1)

y-9=1/8(x-24)

y=1/8x-24/8+9

y=1/8x-3+9

y=1/8x+6

6 0

2 years ago

Use the algebraic procedure explained in section 8.9 in your book to find the derivative of f(x)=1/x. Use h for the small number

Triss [41]

Answer:

By definition, the derivative of f(x) is

$lim_{h\rightarrow 0}\frac{f(x+h)-f(x)}{h}$

Let's use the definition for $f(x)=\frac{1}{x}$

$lim_{h\rightarrow 0} \frac{\frac{1}{x+h}-\frac{1}{x}}{h}=\\lim_{h\rightarrow 0} \frac{\frac{x-(x+h)}{x(x+h)}}{h}=\\lim_{h\rightarrow 0} \frac{\frac{(-1)h}{x^2+xh}}{h}=\\lim_{h\rightarrow 0} \frac{(-1)h}{h(x^2+xh)}=\\lim_{h\rightarrow 0} \frac{-1}{x^2+xh)}=\frac{-1}{x^2+x*0}=\frac{-1}{x^2}$

Then, $f'(x)=\frac{-1}{x^2}$

7 0

3 years ago

How do you factor 3х2-8x?

marishachu [46]

Answer: 6-8x

Step-by-step explanation:

3 0

2 years ago