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LuckyWell [14K]
3 years ago
6

On her way to visit her parents, Jennifer drives 265 miles in 5 hours. What is her average rate of speed in miles per hour?

Mathematics
2 answers:
Nina [5.8K]3 years ago
7 0
Average speed = Total distance / Time

                           =  265 miles / 5 hours

                           = 53 miles / hour.
pochemuha3 years ago
5 0
Her average speed in miles per hour would be 53 mph.  You can get this by dividing the miles driven and the time.  This means Jennifer drove 53 mph to get to her parent's house. Hope this helps!
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Find the sum of the squares of the roots of 3x^2 + 4x + 12 = 0
Contact [7]

Answer:

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Step-by-step explanation:

Let p and q be the roots of the equation.

So, here's how we're gonna work it out:

{p}^{2}  +  {q}^{2}  =  \\  {p}^{2}  +  {q}^{2} +2 pq - 2pq =   \\ ( {p}^{2}  +2pq +   {q}^{2}) - 2pq =  \\  {(p + q)}^{2}  - 2pq

Vieta's formulas give us the sum and the product of the roots of a quadratic equation. Using them we obtain:

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{(p + q)}^{2}  - 2pq =  \\  {( -  \frac{ 4}{3} )}^{2}  - 2 \times 4 =  \frac{16}{9 }  - 8 =  \\  \frac{16 - 72}{9}  = - \frac{56}{9}

4 0
3 years ago
Marcus' employee benefits include family health care coverage. He contributes 25% of the cost. Marcus gets paid weekly and $102
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Also, yearly amount, Y = M×12 = $408×12 = $4896

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4 0
3 years ago
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Katyanochek1 [597]
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Multiply 13.9% by 1017.36 to get an area of about 141.3 square inches for the sector.
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jenyasd209 [6]

Answer:

Answer to the following question is a follows;

Step-by-step explanation:

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⇒ Consumers or buyers were given a variety of product options as well as competitive prices.

⇒ In 1984, practises like horizontal cooperation and resale price maintenance and control were ruled illegal.

6 0
2 years ago
Sophie drew a scale drawing of a house and its lot. The back patio is 3 centimeters wide in the drawing. The actual patio is 18
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