3 years ago

30 points! The solutions to the equation: 2x2 + x-1 = 2 are x=-3/2 or X=___

1 answer:

3 0

Answer: A quadratic equation is one of the form ax2 + bx + c = 0, where a, b, and c are numbers, and a is not equal to 0. So I think x = 4 but not 100%

Sorry if I'm wrong but I hope this helps

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Home Depot sells 400 stoves every day. Home Depot sells 125 more microwaves per day than stoves. Which equation can be used to f

Nookie1986 [14]

Answer:

400

Step-by-step explanation:

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2 years ago

What is the first quartile of the following data set?<br> 15, 18, 20, 21, 23, 24, 26, 29, 34, 37, 40

nikklg [1K]

Answer:

20.5

Step-by-step explanation:

20 + 21 = 41. Divide 41 by 2 than you get 20.5.

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2 years ago

If y varies directly as x, and x= 8 when y= 24, what is the value of x when y= 48

saveliy_v [14]

8/24 = x / 48
cross multiply
(24)(x) = (8)(48)
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2 years ago

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Jennifer drives 265 miles in 5 hours what is her average rate of speed in miles per hour ?

algol [13]

Answer: 53

265 divided by 5=

53

hope this helps

7 0

3 years ago

Assume that $4,000 I deposited into an investment account doubled in value over a six year period. What annual interest rate mus

Novay_Z [31]

Answer:

Interest rate is about 12.246%

The initial deposit doesn't matter because when you divide both sides by the initial deposit you're always left with (1+i)ⁿ=2

Step-by-step explanation:

$4000(1+i)^6=8000\\(1+i)^6=2\\1+i=\sqrt[6]{2} \\1+i=1.122462048\\i=.12246$

6 0

2 years ago