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goblinko [34]
2 years ago
9

How do i solve the question in the image provided ?

Mathematics
1 answer:
Mars2501 [29]2 years ago
6 0

Answer:

0.19+0.46i and 0.19-0.46i

Step-by-step explanation:

\neq (-b+\sqrt{b^2-4ac} )/2a\\and\\(-b-\sqrt{b^2-4ac} )/2a\\\\a=8\\b=3\\c=2\\(-3+\sqrt{3^2-4*8*2} )/(2*8)\\= - 0.1875+0.463512i\\(-3-\sqrt{3^2-4*8*2} )/(2*8) = -0.1875-0.463512i

hope its right

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(r-3)(r-1)<br> Help me please!!!
madreJ [45]

Answer:

= r²−4r+3

Step-by-step explanation:

(r - 3) (r - 1)

(r x r) + (r x -1) + (-3 x r) + (-3 x -1)

r² + - r - 3r + 3

= r²−4r+3

5 0
2 years ago
Tanner and Zach both play basketball. In a game, Tanner scored six points. Zach scored four times as many times as Tanner. How m
MAVERICK [17]

Answer:

24

Step-by-step explanation:

Tanner has <u>6 points</u> so T = 6

Zach has <u>four times as many</u> so Z = 4T

4 * T

= 4 * 6

which is 24.

8 0
3 years ago
A lumberyard will deliver wood for $7 per board foot plus a delivery charge of $10. Find a function C(x) for the cost (in dollar
Paladinen [302]

Answer:

C(x) = 7x + 10

Step-by-step explanation:

If the delivery charge is $10 for any number of board feet ordered.

If the delivery charge is $10 for each board feet ordered, the function would

be C(x) = (7 + 10)x = 17x

4 0
3 years ago
Someone please help me it's worth five points ;)))
Neporo4naja [7]
Answer to 1: 648
Answer to 2: 175
3 0
3 years ago
Read 2 more answers
(a) Tom says that 1/5 + 7/20 = 8/25
mezya [45]

numerator = top part of the fraction

denominator = bottom part of the fraction

* means multiply

a.

you can only add the numerator when the denominator is the same

cant add the denominator

denominator has to be the same

1/5 = 4/20

4/20 + 7/20 = 11/20

b.

1 7/8 = 15/8

3/4 ÷ 15/8 =

3/4 * 8/15 =

24/60 = divide both top and bottom by 12 =

2/5

7 0
3 years ago
Read 2 more answers
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