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Sophie [7]
3 years ago
12

In the united states the speed limit signs are in Miles per hour. Unfortunately, your speedometer only reads in km/hour. How man

y fast are you allowed to go if the speed says 70 mph( round to the nearest hundredth) ?
Mathematics
1 answer:
ohaa [14]3 years ago
8 0

Hello,

1mph = 1.60934kph

70 x 1.60934 = 112.6538

Answer:

70mph = 112.6538kph

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Expand and combine like terms.<br> (3c^4-5c^6)^2
lora16 [44]

Answer:

9c^{8} -30c^{10} + 25c^{12}

Step-by-step explanation:

We can use formula (a-b)² = a² -2ab + b².

In our example a = 3c^4 and b = 5c^6

(3c^{4} - 5c^{6})^{2} = [3c^{4} ]^{2} - 2*3c^{4} *5c^{6} + [5c^{6}]^{2}=\\=9c^{8} -30c^{10} + 25c^{12}

4 0
3 years ago
How to solve Increase $24 by a half of $36
seraphim [82]
36 divided by 2 = 18 and 18 + 24 = 42
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aleksandrvk [35]
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To edit a manuscript, Miguel charges 12 dollars per hour for the first 4 hours and 15 dollars per hour after the first 4 hours.
aleksley [76]

Answer:

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Step-by-step explanation:

Let the number of hours = t

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Expand the t

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Therefore, an expression for the amount, in dollars, Miguel charges if it takes him t hours to edit a manuscript, where t>4 is given as:

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5 0
3 years ago
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