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Molodets [167]
3 years ago
14

Consider the function f(x) = 3x2 + 7x + 2.

Mathematics
2 answers:
olga nikolaevna [1]3 years ago
5 0
The discriminant:
D = b² - 4 a c = 7² - 4· 3 · 2 = 49 - 24 = 25 
D > 0 This function has 2 x-intercepts ( 2 zeroes ).
x 1 = (-7+5)/6 =-1/3
x 2 = (-7-5) / 6 = - 2 
STatiana [176]3 years ago
4 0

Answer:

25,2 & two real number solutions

Step-by-step explanation:

Edge 2020

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What is the speed of a baseball that travels 49 meters in 2.4 seconds
kotykmax [81]

Answer:

Speed of baseball =20.417m/s

Step-by-step explanation:

Speed of a object is the total distance traveled per unit total time taken to cover that distance.

SPEED=\frac{DISTANCE}{TIME}

Given:

             Distance= 49 meter          Time =2.4 seconds

                                    Speed = \frac{49}{2.4}

                                               =  \frac{490}{24}

       Speed of the baseball   =20.417m/s

The speed of baseball is 20.417m/s

7 0
3 years ago
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What is 2 1/2 - 1 1/8
Lady bird [3.3K]

Answer:

<h2>Convert the <em>mixed numbers</em> to </h2><h2><em>improper fractions</em>, </h2><h2>then find the <em>LCD</em> and combine.</h2>

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<u>Exact Form:</u>

11/8

<u>Decimal Form:</u>

1.375

<u>Mixed Number Form:</u>

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4 0
3 years ago
Rita has already prepared 3 kilograms of dough and will continue preparing 1 kilogram of dough every hour. How much dough did Ri
Digiron [165]

Answer:

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Step-by-step explanation:

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hope it helps

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OlgaM077 [116]

Answer:

44 dollars

Step-by-step explanation:

If you subtract 50 from 270 you get 220. Then you would divide 220 by 5 and get 44 dollars per day.

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jenyasd209 [6]
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3 years ago
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