3 years ago

How many yards has a mile

Mathematics

1 answer:

stiv31 [10]3 years ago

3 0

He's correct
there is exactly 1760 yards in a mile

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Biff is 25 years older than Hannah today. Four years from now,Biff will be 6 times as old as Hannah will be. How old is Hannah t

gavmur [86]

Hannah is 1 year old today.

Step-by-step explanation:

Let,

Hannah = x

Biff = y

According to given statement;

y = x+25 Eqn 1

In four years;

y+4 = 6(x+4) Eqn 2

Putting value of y from Eqn 1 in Eqn 2;

$(x+25)+4=6x+24\\x+25+4=6x+24\\x+29=6x+24\\29-24=6x-x\\5=5x\\5x=5$

Dividing both sides by 5

$\frac{5x}{5}=\frac{5}{5}\\x=1$

As x is age of Hannah, therefore,

Hannah is 1 year old today.

Keywords: linear equations, substitution method

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VikaD [51]

2700 bc in everminutes he would run 920

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Alenkasestr [34]

Answer:

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The graph of f(x) = x2 was transformed to create the graph of g(x) = (x − 7.5)2. Which of these describes this transformation?

QveST [7]

Answer:

A. A horizontal shift to the right 7.5 units

Step-by-step explanation:

Replacing x with x-7.5 shifts the graph 7.5 units to the <em>right</em>.

In general, g(x) = f(x-h)+k will shift h units right and k units up. In this problem there is no vertical shift.

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Step-by-step explanation:

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