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4 years ago

Pls help this is due soon If the discriminate of a quadratic equation is negative___.

Mathematics

1 answer:

Makovka662 [10]4 years ago

6 0

Answer:

e. none of these

Step-by-step explanation:

The correct answer is e. none of these because a negative discriminant means that there will be no solutions at all!

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Three ratios are equivalent to 11:1

My name is Ann [436]

Answer:

22:2, 88:8, 77:7

Step-by-step explanation:

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4 years ago

I have to find PLS HELP

Mkey [24]

X=5
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3 years ago

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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

if nu 2, then 3*2² +5*2 -2 = 12 +10 -2 = 20

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3 years ago

Find the slope of the line through the points (-13,15), (20,-7)

kifflom [539]

Answer:

$\boxed{ \bold{ \huge{\boxed{ \sf{ \frac{ - 2}{3} }}}}}$

Step-by-step explanation:

Let the points be A and B

A ( -13 , 15 ) ⇒( x₁ , y₁ )

B ( 20 , -7 )⇒( x₂ , y₂ )

Finding the slope  :

$\boxed{ \sf{slope = \frac{y2 - y1}{x2 - x1} }}$

plug the values

⇒ $\sf{slope = \frac{ - 7 - 15}{20 - ( - 13)} }$

We know that, $\sf{( - ) \times ( - ) = ( + )}$

⇒ $\sf{slope = \frac{ - 7 - 15}{20 + 13}}$

Calculate the sum

⇒ $\sf{slope = \frac{ - 22}{33} }$

Reduce the numbers with G.C.F 11

⇒ $\sf{slope = \frac{ - 2}{3} }$

Hope I helped !

Best regards!!

7 0

3 years ago

PLEASE HELP PLEASE PLEASE HELP

alexira [117]

Answer:

It is c, 27 centimeters

hope it helps and good luck bro

5 0

2 years ago