3 years ago

A car travels m miles per hour. Which variable expression represents the number of miles traveled in 8 hours?

Mathematics

1 answer:

insens350 [35]3 years ago

6 0

Answer:A Idk if this is right!

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Can 4cm 6cm and 12cm make a triangle

Alex

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2 years ago

Original price of a soda: $800 tax 7% selling price: $

Kobotan [32]

Answer:

$856

Step-by-step explanation:

Find 7% of $800 and then add it to $800

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3 years ago

Matthew wants to estimate the mean height of students attending his collage. He records the heigjts of 100 randomly selected stu

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Step-by-step explanation:

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3 years ago

Solve the following new equation

mixer [17]

Answer:

<h3>x = 1.54 or x = - 4.54 to 2 decimal places</h3>

Step-by-step explanation:

x² + 3x - 7 = 0

Using the quadratic formula

a = 1 b = 3 c = - 7

$x = \frac{3 ± \sqrt{ {3}^{2} - 4(1)( - 7) } }{2(1)} \\ x = \frac{ - 3± \sqrt{9 + 28} }{2} \\ \\ x = \frac{ -3 ± \sqrt{37} }{2} \\ \\ x = \frac{ - 3 + \sqrt{37} }{2} \: \: \: \: \: or \: \: \: x = \frac{ - 3 - \sqrt{37} }{2} \\ \\ x = 1.54 \: \: \: or \: \: x = - 4.54$

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7 0

3 years ago

Anna paid € 2800 for a dress. Payment was made after the price of the dress was reduced by 30%. What was the starting price?

aliina [53]

Answer:

$4000

Step-by-step explanation:

so $2800 was the starting price

100%-30%=70%

So 2800=70%

2800/7=400

400=10%

400*10=$4000

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2 years ago