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3 years ago

Use the quadratic formula to solve the following quadratic equation.

Mathematics

1 answer:

irina1246 [14]3 years ago

4 0

Answer:

3.89 and -0.39.

Step-by-step explanation:

To find the answer we need to find what is what based of ax squared plus/minus bx + c = 0. A is 2, b is -7, and C is - 3. Now using the formula -b plus minus square root of b squared minus 4 time a time c all divided by 2a.

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Calculate the product using partial products. 400×45.2= 14.9×100= 200×38.4= 900×20.7= 76.2×200=

DiKsa [7]

Answer:

A. 400*45.2=400*45+400*0.2=18000+80=18080

B. 14.9*100=15*100-0.1*100=1500-1=1490

C. 76.2*200=76*200+0.2*200=15200+4=15204

Step-by-step explanation:

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3 years ago

112.324 nearest tenth

slavikrds [6]

Answer:

112.3

Step-by-step explanation:

112.3 if the 2 was 5 or higher it would be 112.4

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3 years ago

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An airplane on autopilot took 5 hours to travel 3 comma 510 kilometers. What is the unit rate for kilometers per hour?

loris [4]

Answer:

702 kilometers per hour.

Step-by-step explanation:

3,510 divided by 5 = 702.

Since 5 is the number of hours it took to travel 3,510 kilometers, and we need to find the kilometers per hour, simply divide 3,510 by 5.

8 0

3 years ago

Enter the equation of the circle with the given center and radius.

klemol [59]

Answer:

The answer is:

$(x+4)^2+(y-2)^2 = 4$

Step-by-step explanation:

The equation of a circle:

$(x-h)^2+(y-k)^2=r^2$

Since, you already have the center and the radius, use them for the equation of a circle and it will be written as:

$(x+4)^2+(y-2)^2 = 2^2$

When putting the equation of a circle, the radius needs to be simplified by the exponent $2$ :

$(x+4)^2+(y-2)^2 = 4$

So, you have found the equation of circle.

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3 years ago

Make me laugh will mark brainliest

Ksivusya [100]

Answer:

hahahahahahahahahahahahahaha

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3 years ago

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