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Sergio039 [100]
3 years ago
13

Solve the eqaution using the quadratic formula 3x^2=2(2x+1)

Mathematics
2 answers:
steposvetlana [31]3 years ago
8 0

Answer:

the answer is x=1,−13

Step-by-step explanation:

.

iren2701 [21]3 years ago
6 0

Answer:

x = (2 ± √10) / 3

Step-by-step explanation:

3x²=2(2x+1)

3x² - 4x -2 = 0    .. 2 roots: (-b ± √b² - 4ac) / 2a

a = 3,  b = -4,  c = -2

x = ((-(-4)) ± √(-4)² - 4x3x(-2)) / (2x3)

  = (4 ± √16 + 24) / 6

  = (4 ± √40) / 6

  = (4 ± 2√10) /6

  = (2 ± √10) / 3

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kumpel [21]
1) use distributive property
3x - 6 + 5x + 4
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2) 4-2x - 14 - 3
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3 years ago
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Can the sum of two mixed numbers be equal to 2, explain why or why not
Sergeeva-Olga [200]
No because a mixed number is a whole number with a fraction and the smallest whole number is one so 1 and a fraction pulse and a fraction will equal more than 2
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Write the equation of the line from the given information. slope 1/2, through (4,-3)
wariber [46]

Answer:

y+3 = 1/2 (x-4)

Step-by-step explanation:

We can write the equation in point slope form

y-y1 = m(x-x1)

The slope is m and the point is (x1,y1)

y - -3 = 1/2(x -4)

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5 0
3 years ago
Easyish PreCalculus; Find the exact values of the six trigonometric functions of the given angle. (you can use a calculator.) (D
Brut [27]

Answer:

there is no given angle here man

Step-by-step explanation:

5 0
3 years ago
Entomologists estimate that an average person consumed almost a pound of bug parts each year. There are that many insect eggs, l
gregori [183]

Answer:

0.9797

Step-by-step explanation:

We have X = number of insects in the 25bgrams of butter

Then the legal limit of concentration in peanut butter = 30 fragments/ 100 grams

Then insect amount in 25 grams =

E(X) = 30/100 x 25

= 0.3 x 25

= 7.5 fragments of insects

Using the poisson function in Excel, the probability of at least 3 crunchy critters

1 - p(X<=2)

p(X<=2) = POISSON (2, 7.5, TRUE) = 0.020156715

1 - 0.020156715

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7 0
3 years ago
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