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andreev551 [17]
3 years ago
5

A little help please

Mathematics
1 answer:
Nimfa-mama [501]3 years ago
8 0

Answer:

I think it is yes.

Step-by-step explanation:

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2 cars c and d started to move to each other car c was 118 miles from Boston car d was 256 miles from Boston car c was going twi
Vadim26 [7]

Answer:

131.3 miles

Step-by-step explanation:

The two cars are moving from different directions. The total distance between the two cars = 118 miles + 256 miles = 374 miles.

Let us assume that the two cars meet at point O, let the distance between car c and O be d₁, the distance between car d and point O be d₂, hence:

d₁ + d₂ = 374 miles       (1)

Let speed of car d be x mph, therefore speed of car c = 2x mph (twice of car d). If it take the cars t hours to meet at the same point, hence

For car c:

2x = d₁/t

t = d₁ / 2x

For car d;

x = d₂/t

t = d₂/ x

Since it takes both cars the same time to meet at the same point, therefore:

d₁/2x = d₂ / x

d₁ = 2d₂

d₁ - 2d₂ = 0         (2)

Solving equation 1 and 2 simultaneously gives d₁ = 249.3 miles, d₂ = 124.7 miles

Therefore the distance from point of meet to Boston = 249.3 - 118 = 131.3 miles

7 0
3 years ago
A factory used 7/10 of a barrel of almonds to make 7 batches of granola bars. How many barrels of almonds did the factory put in
zlopas [31]

Answer:

4 9/10

Step-by-step explanation:

7/10×7=49/10= 4 9/10

5 0
3 years ago
How many arrangements can be made using 3 letters of the word NETFLIX if no letter is to be used more than once?
Rina8888 [55]

Answer:2

Step-by-step explanation:

0 0
3 years ago
A radio commercial for a loan company states: “You only pay $0.29 a day for
yuradex [85]
A loan of $1500 attracts a daily interest of 3(0.29) = $0.87
For 120 days you pay $0.87 x 120 = $104.40 interest.

I = PrT; where P is the principal, r is the annual interest rate and T is the time.
500 x r x 1/365 = 0.29
r = 0.29 x 365 / 500 = 105.85/500 = 0.2117

Therefore,, Annual interest rate = 21.17%
7 0
3 years ago
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mr. graves gave her class 12 minutes to read. carrie read 5 1/2 pages in the that time. at what rate,in pages per hour, did carr
GarryVolchara [31]
27.5 pages per an hour

7 0
3 years ago
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