3 years ago

What is the value of e ^(in 7x) A,1 B,7e C,7x D,7

1 answer:

7 0

I will have to assume that you actually meant " e^(ln 7x). The exponential and logarithmic functions are inverses of each other, so d^(ln 7x) = 7x (answer C).

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2.5y; when y = -5.2

attashe74 [19]

The answer is -13. You figure it out by multiplying 2.5×-5.2=13

7 0

3 years ago

Ms. F needs you to walk her dogs Ella and Aries. She will pay you $10 for each time you take Ella and Aries out for a walk. The

snow_tiger [21]

Answer: $70/week

Step-by-step explanation:

E = 10w

w = 7 (1 time per day for 7 days = 7)

E = 10(7)

E = $70/week

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2 years ago

Shaun's savings can be modeled by the regression equation y = 6x^2 + 75x+200. Which of the following is the best prediction for

kipiarov [429]

Answer:

Option D

Step-by-step explanation:

The equation to predict the amount saved is

$y = 6x ^ 2 + 75x + 200.$

Assuming that the variable x represents the saving months, then substitute $x = 25$ in the quadratic equation and solve for y.

$y = 6 (25) ^ 2 +75 (25) +200\\\\y = \$\ 5,825$

The answer is the option D $5,825

3 0

3 years ago

7. Use the compound-interest formula to find the account balance A with the given conditions, where P=principal, r=interest

Artist 52 [7]

Answer:

Step-by-step explanation:

Finding compound interest :

A = (150,000)(1 + 0.025)⁶
A = (150,000)(1.025)⁶
A = (150,000)(1.15969342)
A = <u>$173,954.01</u>

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2 years ago

Write the word sentence as an equation.

Mrrafil [7]

Answer:

Step-by-step explanation:

54 equals 9 more than a number

So if we do this, we get

54 = x+9

x+9 = 54

54-9=x

54-x = 9

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3 years ago