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Karolina [17]
3 years ago
11

Harold and his friend both enjoy running long distances.Yesterday Harold ran 8 2/4 miles and his friend ran 4 3/4 miles. How man

y more miles did Harold run than his friend. Answer as a mixed number
Mathematics
1 answer:
andriy [413]3 years ago
4 0

Answer:

Harold ran 3\frac{3}{4}\ miles more than his friend.

Step-by-step explanation:

Given:

Number of miles Harold ran = 8\frac{2}{4}\ miles

8\frac{2}{4}\ miles can be Rewritten as \frac{34}{4}\ miles

Number of miles Harold ran = \frac{34}{4}\ miles

Number of miles his friend ran = 4\frac{3}{4}\ miles

4\frac{3}{4}\ miles can be Rewritten as \frac{19}{4}\ miles

Number of miles his friend ran = \frac{19}{4}\ miles

We need to find number of miles Harold ran more than his friend.

Solution:

Now we can say that;

To find the number of miles Harold ran more than his friend we need to subtract Number of miles his friend ran from Number of miles Harold ran.

framing in equation form we get;

the number of miles Harold ran more than his friend = \frac{34}{4}-\frac{19}{4} =\frac{34-19}{4} = \frac{15}{4}\ miles

\frac{15}{4}\ miles can be Rewritten as 3\frac{3}{4}\ miles

the number of miles Harold ran more than his friend = 3\frac{3}{4}\ miles

Hence Harold ran 3\frac{3}{4}\ miles more than his friend.

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3 years ago
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pav-90 [236]

Answer: False

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Explanation:

I'll use x in place of p.

The original equation 10x^2-5x = -8 becomes 10x^2-5x+8 = 0 after moving everything to one side.

Compare this to ax^2+bx+c = 0

We have

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  • c = 8

Plug those three values into the discriminant formula below

d = b^2 - 4ac

d = (-5)^2 - 4(10)(8)

d = 25 - 40*8

d = 25 - 320

d = -295

The discriminant is negative, which means we have no real solutions. If your teacher has covered complex or imaginary numbers, then you would say that the quadratic has 2 complex roots. If your teacher hasn't covered this topic yet, then you'd simply say "no real solutions".

Either way, this quadratic doesn't have exactly one solution. That only occurs when d = 0. Therefore, the original statement is false.

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Alex787 [66]

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Step-by-step explanation:

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3 years ago
I need help with this pleaseee
Elodia [21]

Answer:

34, D

Step-by-step explanation:

Change 4 and 1/4 to an improper fraction

4 1/4 = 17/4

Now, you would divide 17/4 by 1/8...

17/4 divided by 1/8

Reciprocate the fraction 1/8 and change the division sign to multiplication to get...

17/4 multiplied by 8/1

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Simplify

136 / 4

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So, you can grow 34 plants.

Hope this helps!

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