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FinnZ [79.3K]
3 years ago
5

Find the zeros of the function below. -7x=x^2+12

Mathematics
1 answer:
Paul [167]3 years ago
5 0

Answer:

Step-by-step explanation:

-7x = x² + 12

Set equation to zero:

x² + 7x + 12 = 0

Quadratic formula:

x = [-7±√(7²-4·1·12)]/[2·1]

 =  [-7±√1]/2

 = -3,-4  

The zeros are -3 and -4

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If a dog is running 25 feet per second, how far will he travel after 1 minute of running?
PIT_PIT [208]

Answer:

1500 feet

Step-by-step explanation:

In 1 sec= 25 feet

In 1 minute= 60 seconds= 25*60 feet

= 1500 feet.

8 0
2 years ago
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A camera regularly priced at 295 was placed on sale at 236. What percent of the regular price was the sale price?
skad [1K]

Answer:

80%

Step-by-step explanation:

regular price was given as $295.

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= 0.8

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3 years ago
Translate the following words to algebra symbols, using "n" as the variable. The product of six and a number is 24.
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So n will be the unknown, and the expression is:
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7 0
2 years ago
Isaiah And Cooper work at a dry cleaner Ironing shirts.isaiah can iron 25 shirts per hour, and Cooper can iron 30 shirts per hou
neonofarm [45]

Answer:

Step-by-step explanation:

340/25 = 13.6 = 13 hours and 10 min

30 x 13.6 = 408 hours

25x+30y= 340 and y=2x can be used to determine the number of hours cooper worked and the number of hours isaiah worked. Where x Isaiah 's working hours and y is cooper's working hours.

Step-by-step explanation:

Isaiah ironing rate per hour = 25 shirts

Cooper ironing rate per hour = 30 shirts

Total shirts pressed = 340

Let,

Isaiah´s number of hours = x

Cooper's number of hours = y

According to given statement;

25x+30y=340   Eqn 1

Hudson worked twice many hours as grace.

y = 2x    Eqn 2

Keywords: linear equations, variables

Learn more about variables at:

brainly.com/question/4837736

brainly.com/question/4805611

#LearnwithBrainly

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3 years ago
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Which of the following ordered pairs
Tomtit [17]

Answer:

D. (0, 3)

Step-by-step explanation:

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