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3 years ago

What fraction does point A represent on the number line? 0 A

Mathematics

1 answer:

Galina-37 [17]3 years ago

5 0

Since the number line is divided up into 10 sections and point A is on the first section (or line), 1/10.

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What is the distance between the points (-1,4) and (7,4)?

user100 [1]

Answer:

Step-by-step explanation:

=(7−(−1))2+(4−4)2‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾√

=(8)2+(0)2‾‾‾‾‾‾‾‾‾‾√

=64+0‾‾‾‾‾‾√

=6‾√4

8 0

3 years ago

calcola la misura della diagonale di un rettangolo sapendo che il perimetro è 388 cm e la base misura 168.

Hoochie [10]

Answer:

41.6 cm

Step-by-step explanation:

5 0

3 years ago

Solve the inequality.

Karolina [17]

The answer is c.g>-7

6 0

3 years ago

What is the volume of the figure shown?

forsale [732]

Answer:

656.25m^3

Step-by-step explanation:

Also 1/2 is equivalent to 0.5

25*17.5*1.5=656.25

8 0

3 years ago

9mph in still water it takes 5hrs longer to travel 74 miles upstream than downstream find the rate of current and round to neare

prohojiy [21]

Answer:

The rate of current is 2.5 mph.

Step-by-step explanation:

The speed in the water when current is absent is 9 mph.

If the speed of the current is v mph then the upstream speed is (9 - v) mph and the downstream speed is (9 + v) mph.

Now, it takes 5 hours longer to travel 74 miles upstream than down stream, then we can write the equation as

$\frac{74}{9 - v} - \frac{74}{9 + v} = 5$

⇒ $\frac{2v}{81 - v^{2} } = \frac{5}{74}$

⇒ 148v = 405 - 5v²

⇒ 5v² + 148v - 405 = 0

Applying Sridhar Acharya's formula we can write

$v = \frac{-148 + \sqrt{148^{2} - 4(5)(-405) } }{2(5)}$ (Neglecting the negative root)

⇒ $v = \frac{- 148 + 173.2166}{10} = 2.5$ mph (Rounded to the nearest 10th) (Answer)

7 0

3 years ago