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3 years ago

HELP PLS!!!!!!!!!! you get 5 pointsssssss PLS I BEG QUICK!!!!!

Mathematics

2 answers:

STALIN [3.7K]3 years ago

7 0

Answer:

6.5 mph

Step-by-step explanation:

Pace per mile

09 : 13.85

min : sec

Speed

0.1083 miles per minute

6.5 miles per hour

ahrayia [7]3 years ago

3 0

The answer is 6.5 miles per hour

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Using the quadratic formula to solve 5x = 6x^2 – 3, what are the values of x?

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Answer:

Correct Choice: Second Option

$\displaystyle x=\frac{5\pm \sqrt{97}}{12}$

Step-by-step explanation:

<u>Standard Form of Quadratic Function</u>

The standard representation of a quadratic function is:

$f(x)=ax^2+bx+c$

where a,b, and c are constants.

Solving with the quadratic formula:

$\displaystyle x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

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$6x^2 -5x- 3=0$

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$\displaystyle x=\frac{-(-5)\pm \sqrt{(-5)^2-4(6)(-3)}}{2(6)}$

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$\boxed{\displaystyle x=\frac{5\pm \sqrt{97}}{12}}$

Correct Choice: Second Option

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4 years ago

19. Amanda bought a 6-cup bag of shredded cheese for $6.89. She used 2.25 cups to make lasagna and 1.25 cups to make pizza. How

SVETLANKA909090 [29]

Answer:

2.50

Step-by-step explanation:

ok, so we start out with a 6 cup bag of cheese. But then she uses 2.25 cups to make lasgna, and 1.25 cups to make pizza. we need to see how much cheese is left after she used the cups. First lets add the 2 cups: 1.25 + 2.25. Lets first add 1 + 2 = 3, then .25 + .25 = .50. Lets now add 3, and .50, and that gives us 3.50. Now to see how much cheese is left, we must subtract 6 minus 3.50, which gives us a total of 2.50. I hope that helped!

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