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Anika [276]
3 years ago
9

Solve for all values of x using the quadratic formula when the equation is x2 + 3x +2. use variables with proper assignments for

a, b and
c.
Mathematics
2 answers:
Anna007 [38]3 years ago
7 0

x =  [-3 +/- √(3^2 - 4*1*2) ]  /  2

=  [- 3 + √( 1)]  / 2 ,   [- 3 - √( 1)]  / 2

=  -2/2 ,  -4/2

=  [-1, -2}       answer

KengaRu [80]3 years ago
4 0
X x 3 + X x 2+ X x 3
Reorder the terms

3x + 2x + 3x
Collect the terms

= 8x

And that’s your final answer......
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2 years ago
Let N be the universal set and A, B, C, D be its subsets given by A={x:xisaevennaturalnumber},B={x:xNandxisamultipleof3} C={x:x
Svet_ta [14]

Answer:

A^{'} = {1,3,5,7,9,....}

B^{'} = {1,2,4,5,7,8,10,11,13,14......}

C^{'} = {1,2,3,4,5}

D^{'} = {10,11,12,13,14,15,......}

Step-by-step explanation:

Solution:

It is given that, Universal set is the set of all Natural Numbers.

and

Set A, Set B, Set  C, Set D are subsets of Universal set.

A = {x:x is even natural numbers} = {2,4,6,8,10,.....}

B = {x:x ∈ N and x is a multiple of 3} = {3,6,9,12,15,....}

C = {x:x∈ N and x < 5} = {6,7,8,9,10,.....}

D = {x:x ∈ N and x > 10} = {1,2,3,4,5,6,7,8,9}

U = {1,2,3,4,5,6,7,8,9,10,11,........}

Complements:

A^{'} = U-A = {1,2,3,4,5,6,7,8,9,10,11,........} - {2,4,6,8,10,.....}

A^{'} = {1,3,5,7,9,....}

B^{'} = U-B =  {1,2,3,4,5,6,7,8,9,10,11,........} - {3,6,9,12,15,....}

B^{'} = {1,2,4,5,7,8,10,11,13,14......}

C^{'} = U-C = {1,2,3,4,5,6,7,8,9,10,11,........} - {6,7,8,9,10,.....}

C^{'} = {1,2,3,4,5}

D^{'} = {1,2,3,4,5,6,7,8,9,10,11,........} - {1,2,3,4,5,6,7,8,9}

D^{'} = {10,11,12,13,14,15,......}

8 0
2 years ago
Whats TWO equivalent expressions for 2(3j+ 5 + 6j). Rember TWO equivalent expressions not one.
Natalka [10]

Answer:

2(9j+5) and 18j+10

Step-by-step explanation:

1) group like terms

2) distribute

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If Rita receives $45.34 interest for a deposit earning 4% simple interest for 160 days, what is the amount of her deposit? (Roun
vovangra [49]

Answer:

6.4

Step-by-step explanation:

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A bakery bakes 728 trays of cookies in a day. How many trays of cookies can the bakery make in 43 days?
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There will be 31,304 trays of cookies in 43 days.

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728 x 43 = 31,304

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