3 years ago

In a quiz need help ASAP

Mathematics

2 answers:

Aliun [14]3 years ago

6 0

8(x+1) would be your answer :)

GenaCL600 [577]3 years ago

6 0

The answer should be 40x + 15.

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Find the limit, if it exists (picture below)

valentinak56 [21]

Answer:

c. $\frac{1}{2 \sqrt{7} }$

Step-by-step explanation:

When plugging in zero into the given equation:

$\lim_{x \rightarrow 0} \frac{\sqrt{x + 7} - \sqrt{7} }{x} = \frac{0}{0}$

Answer is in indeterminate form = use L'Hospital's Rule:

(Derivative of the top / Derivative of the bottom)

$\lim_{x \rightarrow 0} \frac{ \frac{1}{2} (x + 7)^{ \frac{-1}{2}} - 0 }{1}$

Rearranged equation:

$\lim_{x \rightarrow 0} \frac{1}{2 \sqrt{x + 7} }$

Plug zero back into equation:

$\lim_{x \rightarrow 0} \frac{1}{2 \sqrt{x + 7} } = \frac{1}{2 \sqrt{0 + 7} } = \frac{1}{2 \sqrt{7} }$

Answer:

$\lim_{x \rightarrow 0} \frac{\sqrt{x + 7} - \sqrt{7} }{x} = \frac{1}{2 \sqrt{7} }$

5 0

3 years ago

Who wants to ft 14?????????

Helga [31]

Answer:

no one

Step-by-step explanation:

at 14 you should be doing your homework

8 0

3 years ago

I'M GIVING 100 POINTS FOR THIS What is the ratio of a surface area to volume of a sphere with the following measurements? Surfac

marissa [1.9K]

Answer:

Step-by-step explanation:

SA/V = 300m^2/500m^3 -------- m^2 cancel out and so d othe 100

we get 3/(5m)

Sooo, I guess that's equal to 3/5 1/m and 1/m is m^-1 so we have (B)

8 0

3 years ago

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Simplify the expression: 4(x + 3) = 40

diamong [38]

Answer:

x=7

Step-by-step explanation:

4x+12=40

-12

4x=28/4

8 0

3 years ago

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Line m has a slope of -3. Another line n is parallel to line m. What is the slope of line n?

Elis [28]

Answer: slope of line n = -3

Reason: Parallel lines have equal slopes, but different y intercepts.

8 0

3 years ago