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3 years ago

Which of these would earn the same interest as a $150 principal at 4% annual interest for 2 years? Select all that apply.

Mathematics

1 answer:

olga nikolaevna [1]3 years ago

7 0

Answer:

A, C, E are your answers

Step-by-step explanation:

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How much pay does john receive if he gives half of his pay to family,250 to his landlord and has exactly 3/7 of his pay left ove

maxonik [38]

Answer:

John receives a pay of $3,500.00

Step-by-step explanation:

x = John's pay

x = 1/2x + 250 + 3/7x [1/2 = 7/14 and 3/7 = 6/14]

x = 13/14x + 250

x - 13/14x = 13/14x - 13/14x + 250 [1x = 14/14]

1/14x = 250 [multiply both sides by 14]

x = 3500

Check:

3500 = 1/2(3500) + 250 + 3/7(3500)

3500 = 1750 + 250 + 1500

3500 = 3500

7 0

3 years ago

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

2 years ago

What is -14=k+9?

Basile [38]

Answer:

k = -23

Step-by-step explanation:

-14=k+9

Subtract 9 from each side

-14-9 = k+9-9

-23 = k

7 0

3 years ago

Read 2 more answers

length is 2x centimeters. Write a simplified equation to solve for x in terms of AT, the area of the tile. If necessary, use rat

Lelu [443]

i dont know if this is correct

AT (X)= 6X^2 another part to this equation is: AT/6= X^2 and the answer is X= AT/6^1/2b.

8 0

3 years ago

Is the function x^3+7x even or odd?

Nimfa-mama [501]

Answer:

odd

Step-by-step explanation:

i looked it up

7 0

2 years ago