£2000 is invested in a savings account. Compound interest at 2.1% P.A.How much interest will be paid after two years?

A) £4 B) £5.20 C) £2.44 D) £84.88

Answers

Answer 1

Answer: $\sf\ 2.1\ percent\ interest\ P.A.\ means\ annually.\ Annually\ means\ every\ year.\n\n The\ question\ requires\ a\ compound\ interest\ formula.\n\n\ The\ formula\ is\n{\boxed{A=P(1+ (r)/(n))^n^t}$

$\sf\ P\ =\ principal\ amount\ (2000)\n\n r\ =\ annual\ rate\ of\ interest\ (.021)\n\n t\ =\ number\ of\ years\ the\ amount\ is\ deposited\ or\ borrowed\ for\ (2)\n\n A\ =\ amount\ of\ money\ accumulated\ after\ n\ years,\ including\ interest\ (?)\n\n n\ =\ number\ of\ times\ the\ interest\ is\ compounded\ per\ year\ (1)\n\n\n\nA=P(1+ (r)/(n))^n^t\n\nA=2000(1+ (.021)/(1))^2\n\nA=2000(1.021)^2\n\nA=2000(1.042441)\n\n\A=2084.882\n\n\n\ To\ find\ the\ amount\ of\ interest:\n2084.882-2000=84.882=\n\n{\boxed{84.88}$

$\boxed{\sf\ Answer:\ D}$

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PLEASE RESPOND IN DESCRIPTION. "Mrs. Wheeler goes to the bakery with $30. She purchases 2 loaves of bread for $3.50 each and a dozen donuts for$9. She plans to spend the remainder of her money on cookies that cost $1.50 each. What is the greatest number of cookies that Mrs. Wheeler can buy?"

Answers

Answer:

Step-by-step explanation:3.50

*2=7 + 9 = 16

30-16=14 1.50 * 9 =13.50$

Answer:

Step-by-step explanation:

Bread = $7

12 donuts = $9

That equals $16.

Cookies cost $1.50,

$1.50 x 9 = $13.50.

There is a 20% chance that it will snow on Monday and a 40% chance on Tuesday. What is the probability that it will NOT snow on both Monday and Tuesday?

Answers

P(Event) = 4/5 * 3/5 = 12/25

----------------------

Y=Yes=Will Snow

N=No=Won't Snow

There is a 20% chance (1/5) that it will snow on Monday. This means that there is an 80% (4/5) chance that it won't snow on Monday.

Y, N, N, N, N

There is a 40% chance (2/5) that it will snow on Tuesday. This means that there is a 60% chance (3/5) that it won't snow on Tuesday.

Y, Y, N, N, N

-----------------------

Create a table for combinations N, N or Y, N or N, Y or Y, Y:

*Where N, N place (X). Where Y, N or N, Y or Y, Y - place (O).

: Y N N N N
.................................
Y : O O O O O
Y : O O O O O
N : O X X X X
N : O X X X X
N : O X X X X

The combination N, N represented with (X) appears 12 times out of 25 which is your answer (12/25).

. Solve: 5x < 9x-1 / 2

-4x < - 1/2 , now divide by -4 and switch signs

x > 1/8

2. There is a 20% chance that it will snow on Monday and a 40% chance on Tuesday. What is the probability that it will NOT snow on both Monday and Tuesday?

P( NOT snow on both Monday and Tuesday) = (1-.2)(1-.4) = 12/25

c. 12/25

3. The total cost of renting a sailboat is $120 plus $60 a day. How many days was a sailboat rented if the total cost was $360? Solve.

120 + 60d = 360

60d = 360 - 120 = 240

d = 4

4. Two cards are chosen at random without replacement from a deck of 52 cards containing 4 kings. Which expression could be used to find the probability of choosing two kings?

b. 4/52 x 3/51

There are 4 x 3 ways to pick 2 kings

There are 52 x 51 ways to pick any two cards

WILL MARK BRAINLIEST IF CORRECT!!! plz help I don’t understand at all & missed a week of school because I was sick. Find m

Answers

Answer:

23 degrees

Step-by-step explanation:

A straight line = 180 degrees, and there's a 90 degree angle on the left side, so (2x+14) + (x+7) = 90.

Then, just solve the equation.

3x + 21 = 90

3x = 69

x = 23

Therefore, m = 23 degrees

Answer:

23 degrees

Step-by-step explanation:

A straight line = 180 degrees, and there's a 90 degree angle on the left side, so (2x+14) + (x+7) = 90.

Then, just solve the equation.

3x + 21 = 90

3x = 69

x = 23

Therefore, m = 23 degrees

4/5 , 0.66 , 0.86 , 84% least to greatest

Answers

Answer:

.66, 4/5, 84%, .86

Step-by-step explanation:

.66 is already in decimal form.

4/5 converted to decimal form is .8

84% in decimal form is .84

.86 is already in decimal form

Simplify the problem. Show your proof!

[45 - (6 + 3)] x 27

Answers

Answer:

36x27

Step-by-step explanation:

[45-(6+3)]x27

[45-9]x27

36x27

[45-(6+3)] x 27
Answer:

36 x 27

What is the solution to the equation?3q + 5 = –2q + 20 A. q = 3 B. q = 5 C. q = 15 D. q = 25

Answers

$3q + 5 = -2q + 20$

add 2q to both sides.

$5q + 5 = 20$

subtract 5 to both sides.

$5q = 15$

divide 5 to both sides.

$q = (15)/(5)$

the answer is: $q = 3$