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Juli2301 [7.4K]
3 years ago
8

Beginning at 10:30 A.M., tours of the National Capitol and the White House begin at a

Mathematics
1 answer:
Mila [183]3 years ago
8 0

The least common multiple of 12 and 15 is 60. Every hour the tours leave at the same time.

The tours will leave at the same time at 11:30, 12:30, ...

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What is the y intercept of a line that has a slope of 3 and passes through (-1,-7)?
Natalka [10]

Answer:

I think its b

Step-by-step explanation:

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3 years ago
Are (1,1.5) and (12,4) solutions to the equation y=1/4x+5/4
Amiraneli [1.4K]

Answer:

The first set is a solution, the second is not.

Step-by-step explanation:

Testing by filling in the numbers into the equation:

(1, 1.5): x=1, y=1.5

⇒ 1.5 =? \frac{1}{4} · 1 + \frac{5}{4}

⇒ 1.5 =? \frac{1}{4} + \frac{5}{4}

⇒ 1.5 =? \frac{6}{4}

⇒ 1.5 =? 1.5  ⇒ Correct: is indeed solution to the equation

(12, 4): x=12, y=4

⇒ 4 =? \frac{1}{4} · 12 + \frac{5}{4}

⇒ 4 =? \frac{12}{4}  + \frac{5}{4}

⇒ 4 =? \frac{17}{4} ⇒ Incorrect: this is not a solution for the equation

5 0
2 years ago
Please help me quickly first person to answer gets branliest
ivolga24 [154]
The answer should be 117.6. tell the teacher that the amount of meters is wrong or the answers are wrong

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3 0
4 years ago
The speed of sound is approximately 1.2 x 10^3 km/h. How long does it take for sound to travel 7.2 x 10^2 km? Write your answer
photoshop1234 [79]

Answer:

  36 minutes

Step-by-step explanation:

  time = distance / speed

  time = (7.2×10² km)/((1.2×10³ km)/(60 min)) = (7.2×60/1.2)×10²⁻³ min

  = 360×10⁻¹ min

  = 36 min

It takes sound about 36 minutes to travel 720 km.

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4 years ago
HELP! hope i get a good grade! thanks to everyone for helping out!
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It is a right triangle, angle bmw

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3 years ago
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