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3 years ago

From Denver to Chicago = 3 in. If the scale is 1 in = 300 miles, find

Mathematics

1 answer:

bogdanovich [222]3 years ago

3 0

Answer:

900miles

Step-by-step explanation:

If 1 in=300 miles

Then 3 in will be =3 × 300 giving us 900

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Express 11/15 as a percent.

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Which expression can be used to convert AU$22 in the US dollars

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3 years ago

If a person measures 42in in height what does the person measure in feet. I got the answer correct which is 3ft 6in but I need t

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4 years ago

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PROVE :<br><br>sin^2(-300°).cos^2 (120)+ cos^2(-240 ).sin^2(390)=1/4

leva [86]

Step-by-step explanation:

$\sin {}^{2} ( - 300) \cos {}^{2} (120) + \cos {}^{2} ( - 240) \sin {}^{2} (390) = \frac{1}{4}$

$\sin {}^{2} (60) \cos {}^{2} ( {}^{} 120) + \cos {}^{2} (120) \sin {}^{2} (30)$

$\frac{3}{4} \frac{1}{4} + \frac{1}{4} \frac{1}{4}$

$\frac{3}{16} + \frac{1}{16} = \frac{4}{16} = \frac{1}{4}$

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2 years ago

Solve the equation using the order of operations.<br><br> 5+{2×[(5−1)+6]}÷4

creativ13 [48]

Answer:

The order of operations is PEMDAS

First step is to do everything is parenthesis or brackets

5+{2*[(5-1)+6]}/4

{2*[(5-1)+6]}

First you would go 5-1=4, because that is the first equation that is in parenthesis by itself.

{2*[4+6]}

Next you would go 4+6=10, because that is your next smallest bracket

{2*10}

Last you would go 2*10=20

Your equation now looks like this

5+{20}/4

In PEMDAS your next step is exponents, but we don't have any so we go on to the next one which is multiply/division

5+5

You would go 20/4=5

Last step is to add/subtract

5+5=10

Your final answer would be 10

Hope this helps ;)

Step-by-step explanation:

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3 years ago