The number of dogs in a shelter is equal to 4 less than 2 times the number of cats. If there are 20 dogs in the shelter how many cats are there?
Answers
c=cats
d equals 4 less than 2 times c
d=-4+2c
20 dogs
d=20
subsitute
20=-4+2c
add 4
24=2c
divide 2
12=c
12 cats
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Given:
54 miles long highway
5 3/5 miles constructed per month.
Will the highway be finished in 8 months?
5 3/5 ⇒ ((5*5)+3)/5 = 28/5
28/5 * 8/1 = 28*8 / 5*1 = 224/5 = 44.8 miles or 44 4/5 miles
No. The highway can not be finished in 8 months. Only 44.8 miles or 44 4/5 miles will be constructed by that time.
54 ÷ 28/5 = 54 * 5/28 = 54*5 / 28 = 270 / 28 = 9.64 months or 9 18/28 or 9 9/14 months must be spend to complete the highway.
Answers
The volume of flexible air filled container at 99 feet in sea water is 10 cu.ft.
What is Boyle's law?
Boyle's Law states that If the temperature is constant, the volume of a gas is inversely proportional to the absolute pressure.
V 1/V2 =P2/P1
V2 = P1 x V1 /P2
Substitute 60 psi for P2, 14.7 psi for P1 and 40cu.ft for V1, we get the volume V2
V2 = 40 x 14.7 / 60
V2 = 9.8 cu.ft
Volume is approximately 10 cu.ft.
Thus, the volume of flexible air filled container at 99 feet in sea water is 10 cu.ft.
Learn more about Boyles law.
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Answer:
50 cu ft
Step-by-step explanation:
x _____ minutes in an hour
x _____ hours in a day
x _____ days in a year
x __________ miles per second (speed of light) =
______________ miles in one light-year.
Answers
Answers
800/5 = 160g
Answers
x + x - 13 = 61
2x - 13 = 61
2x = 61 + 13
2x = 74
2x/2 = 74/2
x = 37
61 divided by 2 plus 13 equals 43.5
Answers
Answer:
(0,-6)
Step-by-step explanation:
The midpoint from -3 to 3 is 0, so the first coordinate is 0
The midpoint from -7 to -5 is -6, so the second coordinate is -6
(0,-6)