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Dmitriy789 [7]
1 year ago
10

The length of a rectangle is 8 inches and the width is x inches. What is the perimeter, in inches?

Mathematics
1 answer:
GaryK [48]1 year ago
8 0
AAAAAAA 2x8+2x=16+2x
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Sung Lee invests $4,000 at age 18. He hopes the investment will be worth $16,000 when he turns 25. If the interest compounds con
irinina [24]

Answer:

The growth rate he needs to achieve his goal is approximatelly 19.8%

Step-by-step explanation:

Since the sum will be compounded continuously we have to use the appropriate formula given below:

M = C*e^(r*t)

Where "M" is the final amount, C is the initial amount, r is the interest rate and t is the time elapsed. Since Sung Lee will invest that sum at 18 years old and he wants to recieve the return at 25, then the time elapsed is given by 25 -18 = 7 years. We can now apply the data to the formula:

16000 = 4000*e^(r*7)

4000*e^(7*r) = 16000

e^(7*r) = 16000/4000 = 4

ln[e^(7*r)] = ln(4)

7*r = ln(4)

r = ln(4)/7 = 0.198

The rate of interest is given by (r)*100%, so we have (0.198)*100% = 19.8%.

4 0
3 years ago
What is the slope of the line?<br><br> A. 2/5<br> B. -2/5<br> C. 5/2<br> D. -5/2
sergey [27]

Answer:

  B.  -2/5

Step-by-step explanation:

For a "run" (x change) of 5, the "rise" (y change) is -2 units. Then the slope is ...

  slope = rise/run = -2/5

7 0
3 years ago
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Point LL is located at (4,5)(4,5) on the coordinate plane. Point LL is reflected over the yy-axis to create point L'L ′ . What o
Virty [35]

Answer:

(-4, 5)

Step-by-step explanation:

Since the pint is reflected over the y-axis, its y-coordinate remains the same.

Point (4, 5) has 4 as its x-coordinate. That is 4 units right of the y-axis. The reflection has -4 as its x-coordinate which is 4 units left of the y-axis.

Answer: (-4, 5)

8 0
3 years ago
72=8×9 times as many
Alexeev081 [22]

Answer:

9x8=72

Step-by-step explanation:

Your welcome

4 0
3 years ago
Any answers I need help
natulia [17]

Answer:

(A) 21

Step-by-step explanation:

5x-15 needs to equal 90 since it is a right angle and 21 makes that true

(5*21)=105\\105-15=90

6 0
2 years ago
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