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BartSMP [9]
3 years ago
14

A train traveled 350km in 2.5h. what was the average speed of the train?

Mathematics
1 answer:
omeli [17]3 years ago
4 0
So the train traveled 350 km in 2.5 h let's do the work together what do you think we start off with we can divide 350 by 2.5 tell me what your answer is when you've done the division
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What is the margin of error for a yes/no survey of 200 people with a proportion of 65% who answered \"yes\"?. A. ±3.37%. B. ±5.0
azamat
\sqrt{(p*q)/n}

where p is the number of positive outcomes (yes) and q is the number of negative outcomes (no).

\sqrt{(0.65*(1-0.65))/200} = 0.0337 or 3.37%

answer is A.
6 0
3 years ago
I drove 380 miles using 14 gallons of gas. At this rate, how many gallons of gas would I need to drive 418 miles?
ser-zykov [4K]

Answer:

15.4 gallons .

Step-by-step explanation:

The rate of gas used  = 380/14 = 27.14 gallons per gallon.

So for each gallon used  you drive 27.14 miles.

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8 0
3 years ago
Read 2 more answers
CAN SOMEONE HELP ME WITH THIS?!
lutik1710 [3]

Answer:

a = 14

b = 24

c = 24.9

A = 33.2 degrees

B = 70 degrees

C = 76.8 degrees

Step-by-step explanation:

a/sin(A) = b/sin(B) = c/sin(C)

14/sin(A) = 24/sin(70)

sin(A)×24 = sin(70)×14

sin(A) = sin(70)× 14/24 = sin(70) × 7/12 = 0.548154029...

A = asin(0.548154029...) = 33.240464... degrees

the sum of all angles in a triangle is airways 180 degrees.

C = 180 - 70 - 33.240464... = 76.75954... degrees

24/sin(70) = c/sin(76.75954...)

c = 24×sin(76.75954...)/sin(70) = 24.86133969...

6 0
3 years ago
Which expression best represents the statement, “a number,
ella [17]

Answer:

srvdfv

Step-by-step explanation:

wetchm;akxd ijal

srry I really need points

5 0
3 years ago
Right answer gets Brainlist
V125BC [204]

orlando 是不对的。ABBY 是对的应为2是power

5 0
3 years ago
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