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Wittaler [7]
2 years ago
14

This is for calculus worth 30 points I need help on question c please help me on it anyone

Mathematics
1 answer:
Semenov [28]2 years ago
8 0

The exact slope is impossible to know for sure, because the function is not written out explicitly. (If we did, we could just do dV/dt evaluated at t = 10.)


However, you can estimate the slope at P by finding the average rate of change between t=5 and t=15, or by taking the average of the slopes of the adjacent secants. There are several ways to approximate the answer, but I don’t think you can find its exact value.

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Multiply the two binomials.<br> (3x + 5)(4x - 1)<br><br> HELP PLS
AlladinOne [14]

Answer:

12x² + 17x - 5

Step-by-step explanation:

Given

(3x + 5)(4x - 1)

Each term in the second factor is multiplied by each term in the first factor, that is

3x(4x - 1) + 5(4x - 1) ← distribute parenthesis

= 12x² - 3x + 20x - 5 ← collect like terms

= 12x² + 17x - 5

5 0
3 years ago
6(3x - 7) = 2
Svet_ta [14]

Answer:

distribute first so it would be 18x-42=2

Step-by-step explanation:

8 0
3 years ago
I need help please?!!!!):
notsponge [240]

Answer:

k=38

Step-by-step explanation:

add 22 to itself to cancel it out and add it to the 16 as well and you will get k

4 0
3 years ago
Read 2 more answers
Sandra saves 14% of her salary for retirement. This year her salary was $2,000 more than in the previous year, and she saved $7,
Brums [2.3K]

Answer: Sandra's salary in the previous year was $48,000

Step-by-step explanation:

Hi, the expression given is missing the $2000 more that she earns this year.

0.14 (x +2000) =7000

Where:

  • <em>x is Sandra's salary in the previous year. </em>
  • <em>0.14 is the decimal form of 14% (14/100=0.14) </em>

Solving for x :

0.14(x) +0.14 (2000) =7000

0.14x +280 =7000

0.14 x = 7000-280

0.14x = 6720

x = 6720/0.14

x=48,000

Sandra's salary in the previous year was $48,000

Feel free to ask for more if needed or if you did not understand something.

8 0
4 years ago
Complete the equation of the line whose slope is <br> 5 and y-intercept is (0,4).<br><br> Y=
SIZIF [17.4K]

Answer: y=5x+4

Step-by-step explanation:

With the given slope and y-intercept, all we have to do is plug those values into y=mx+b. M stands for slope, and b stands for y-intercept.

y=5x+4

4 0
3 years ago
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