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3 years ago

Which speed is the fastest?

2 answers:

8 0

1/3 of an hour is 20 minutes so 20 divided by 4 is 5 minutes per 1 mile.

1/3 of a mile is 4 hours so a full mile would be 3 times 4 which is 12 so every 12 hours is 1 mile.

1/2 a mile takes 3 hours and 2 times 3 is 6 so every 6 hours is 1 mile.

A. 5 minutes per mile

B. 12 hours per mile

C. 6 hours per mile

The correct choice is A.
I hope this helped you

anyanavicka [17]3 years ago

7 0

It’s A . 4 miles in 1/3

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A line passes through the point (0, 1) and has a positive slope. Which of these points could that line NOT pass through? Check a

Vinvika [58]

We have to find slopes one by one.

$\\ \sf\longmapsto Slope=m=\dfrac{y_2-y_1}{x_2-x_1}$

(0,1)
(12,3)

$\\ \sf\longmapsto \dfrac{3-1}{12-0}$

$\\ \sf\longmapsto \dfrac{2}{12}$

$\\ \sf\longmapsto \dfrac{1}{6}>0$

Line passes through this.

(-2,-5)

$\\ \sf\longmapsto \dfrac{-5-1}{-2-0}$

$\\ \sf\longmapsto \dfrac{-6}{-2}$

$\\ \sf\longmapsto 3>0$

Line passes through this

(-3,1)

$\\ \sf\longmapsto \dfrac{1-1}{-3-0}$

$\\ \sf\longmapsto \dfrac{0}{-3}=0$

Not possible (Line passes through y axis as one co-ordinate is (0,1))

( 1,15)

$\\ \sf\longmapsto \dfrac{15-1}{1-0}$

$\\ \sf\longmapsto \dfrac{14}{1}$

$\\ \sf\longmapsto 14>0$

Line passes through this

(5,-2)

$\\ \sf\longmapsto \dfrac{-2-1}{5-0}$

$\\ \sf\longmapsto \dfrac{-3}{5}$

Line doesnot pass through this.

6 0

2 years ago

Read 2 more answers

Andy flipped a coin once and rolled a six-sided number cube numbered 1 through 6

KatRina [158]

Answer:

possiblity of getting any number is 1/6

Step-by-step explanation:

7 0

3 years ago

If john spent 100 dollars more than peter, how much did both spend?

GREYUIT [131]

Not enough information???

3 0

3 years ago

WILL MARK BRAINLEST IF CORRECT HELP ME OUT

sveta [45]

Answer:

x = 12

Step-by-step explanation:

Equation: 0.52(x) + 0.72(4) = 0.57(x + 4)

0.52(x) + 0.72(4) = 0.57(x + 4) $\longmapsto$ Multiply

0.52x + 2.88 = 0.57x + 2.28 $\longmapsto$ Subtract 0.52x from both sides

2.88 = 0.05x + 2.28 $\longmapsto$ Subtract 2.28 from both sides

0.6 = 0.05x $\longmapsto$ Divide all sides by 0.05

x = 12

-Chetan K

6 0

2 years ago

Two numbers have these properties:

Elina [12.6K]

The two numbers are 12 and 30

Step-by-step explanation:

Let us revise the meaning of HCF (highest common factor) and LCM (least common multiple)

The highest common factor of two numbers is the largest whole number which is a factor of both, the HCF of 4 and 6 is 2 because the factors of 4 are 1, 2, 4 and the factors of 6 are 1, 2, 3, 6; the common factors are 1, 2 and the greatest is 2 so the highest common factor of 4 , 6 is 2
The least common multiple of two numbers is the smallest number that they both divide evenly into, the least common multiple of 4 and 6 is 12 because the multiples of 4 are 4, 8, 12, 16, ... and the multiples of 6 are 6, 12, 18, 24, ...; the first common multiple between then is 12

∵ Both numbers are greater than 6

∵ Their HCF is 6

- That means 6 is a factor of both of them

∴ The two numbers are multiple of 6 without any other common

factor greater than 6

Let us write the multiple of 6 greater than 6

∵ 12 , 18 , 24 , 30 , 36 , ......... are multiples of 6

∵ Their LCM is 60

- That means 60 can divided by them

∵ 60 can divided by 12

∵ 60 can divided by 30

∵ The factors of 12 are 1 , 2 , 3 , 4 , 6 , 12

∵ The factor of 30 are 1 , 2 , 3 , 5 , 6 , 10 , 15 , 30

∵ Their common factors are 1 , 2 , 3 , 6 and the greatest one is 6

- 12 and 30 have HCF of 6 and LCM of 60

∴ The two numbers are 12 and 30

The two numbers are 12 and 30

Learn more:

You can learn more about the factors in brainly.com/question/5194236

#LearnwithBrainly

4 0

4 years ago