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3 years ago

2. Convert 9% to a fraction and a decimal.

Mathematics

1 answer:

Furkat [3]3 years ago

4 0

Answer:

0.09 decimal 9/100 fraction

Step-by-step explanation:

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If in a right triangle, the given legs are a = 10 and b=16, then by using the Pythagorean Theorem find the hypotenuse, c.

Reika [66]

Answer:

$c=2\sqrt{89}$

Step-by-step explanation:

Pythagorean theorem is:

$c^{2} =a^{2} +b^{2}$

$c^{2}=10^{2}+16^{2} \\c^{2} =100+256\\c^{2}=356\\c=\sqrt{356} \\c=2\sqrt{89}$

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3 years ago

One more time what 4 + 4 × 4 + 4 ÷ 4=

katrin [286]

Answer:

should be 21

Step-by-step explanation:

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2 years ago

Read 2 more answers

Two trains 150 miles apart are traveling toward each other along the same track. The first train goes 60 miles per hour; the sec

Nataly_w [17]

Answer:

120 miles

Step-by-step explanation:

Distance = 150 miles

train 1 = 60 mph

train 2 = 90 mph

directions of trains = towards each other

Time to meet = 150/(60+90) = 150 miles / 150 mph = 1 hour

Speed of fly = 120 mph

Since fly has been flying for one hour, it travelled 120 miles.

3 0

3 years ago

I need the answer fast pls

Ber [7]

I think the answer is 6.6

5 0

3 years ago

jason has 150 cents nickels and quarters. if the number of nickels he has is 5 less than the twice the number of quarters, how m

eimsori [14]

Let's set up some simultaneous equations. Let the number of nickels be n, and the number of quarters be q. Now I'm from England so I had to look up the value of a nickel (I could guess the quarter though to be 25c), but apparently it's 5c

Okay we know that the total value of the coins is 150. This gives:

25q + 5n = 150

Rearranging to make n the subject:

n = 30 - 5q

Next, we use the second statement:

n = 2q - 5

Substituting this into the first equation:

2q - 5 = 30 - 5q
7q = 35
q = 5

Putting this value for q into the first equation:

n = 30 - 5(5) = 5

Hence he has 5 of each coin. I hope this helps :)

4 0

3 years ago