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lisov135 [29]
4 years ago
13

Help me please i need help in this math assignment please i will give points

Mathematics
1 answer:
Helga [31]4 years ago
7 0

Answer:

if the discriminant < 0 no solution

if = 0 then one solution

if > 0 then two solutions

start from the first one and calculate b^2-4ac

the first one is x^2 + 4x +4 = 0

a is the factor next to x^2 (1 in this case)

b is the factor next to x (4 in this case)

c is the number without any x (4 in this case)

so the discriminant is 4^2 - 4*(1)*4 = 16-16 = 0 = one solution

Step-by-step explanation:

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Step-by-step explanation:

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4 0
3 years ago
Given the equation y = -3x + 5 what is the slope and y intercept
Ulleksa [173]
Slope: -3
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Find the first three terms of the sequence below. 3n^2+5n−2
Otrada [13]

Answer:

-2, 6, 20 ,...

Step-by-step explanation:

3n² +5n -2

if n=0 , then 3*0² +5*0 -2= -2

if n=1, then 3*1² +5*1 -2 = 3+5-2 = 6

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5 0
3 years ago
Help pls I need this before tomorrow ​
Paladinen [302]

Answer:

Hey can you tell me what I am supposed to be looking for?

Step-by-step explanation:

8 0
3 years ago
Ernie is making a cylinder-shaped container to store his pens. The container has a base on one end and an opening on the other e
dalvyx [7]
For this case we must calculate the surface area of the container to know the amount of paint that Ernie must use.
 We have then:
 A = pi * r ^ 2 + 2 * pi * r * h
 Where,
 r: cylinder radius
 h: cylinder height
 Substituting values:
 A = 3.14 * (3/2) ^ 2 + 2 * 3.14 * (3/2) * 18
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 Answer:
 
The amount of paint needed is:
 
A = 176.625 in ^ 2
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4 years ago
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