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Murljashka [212]
3 years ago
8

Pls help me guys!

Mathematics
1 answer:
defon3 years ago
5 0

Answer:

2

Step-by-step explanation:

The example of speed and time is a basic and appropriate example of inversely proportional. As the speed increases, the time to complete your trip will decrease

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Tom saves $750 a year. Bill saves $60 a month. How much more does Tom save a year than Bill?
Contact [7]

Answer:

$30

Step-by-step explanation:

T = 750

B = 60(12)

T - B = X

750 - 720 = 30

3 0
3 years ago
Read 2 more answers
Calculate the amount and compound interest on
mart [117]

Answer:

Below in bold.

Step-by-step explanation:

i) Amount = 15000(1 + 0.10)^2 = 18,150.

Interest = 3,150.

ii) Amount = 15620(1 + 0.08/2)^(3/2*2)

= 15620(1 + 0.04)^3

= 17,570.38.

Interest =1,950.38.

iii) Amount = 100000(1 + 0.04/4)^(3)

= 100000(1 + 0.01)^3

= 103,030.1

Interest = 3030.1.

7 0
3 years ago
HELP PLEASE!!!!! WILL MARK AS BRAINLIEST!!!!
svlad2 [7]

The two sides marked 7 are congruent.

Sides AC and AD are congruent.

Sides BC and ED are congruent.

By SSS, the triangles are congruent.

Also, angles BAC and EAD are congruent, so by SAS, the triangles are congruent.

Answer: A. yes, by either SSS or SAS

5 0
3 years ago
Read 2 more answers
When playing roulette at a​ casino, a gambler is trying to decide whether to bet $5 on the number 25 or to bet $5 that the outco
USPshnik [31]

Answer:

a) -$3.03; b) The $5 on the number 25

Step-by-step explanation:

To find the expected value, multiply each probability by its value and then add them together.

The probability of making a profit of $20 is 3/38; this gives us

3/38(20) = 60/38

The probability of losing $5 is 35/38; this gives us

35/38(-5) = -175/38

Together, this gives us

60/38-175/38 = -115/38 ≈ $-3.03

b) Since the expected value for the $5 bet on a single number is $-0.53, and the expected value for the $5 on either 00, 0 or 1 is $-3.03, the better bet is on the number 25.  The expected value loses less money with this option.

8 0
3 years ago
1^2 + 4^2 + 7^2 + ... + (3n - 2)^2 = n(6n^2-3n-1)/2
vlabodo [156]
Use math induction proof method will be usefully 

for n=1 will get 

1^2 = 1(6*1^2 -3*1 -1)/2
1 = 1(6-4)/2
1 = 1(2)/2
1 = 1

suppose true for n=k and prove for k = k+1 

hope this will help you 
7 0
3 years ago
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