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2 years ago

14

Number line solutions to n>-2

1 answer:

docker41 [41]2 years ago

5 0

Answer:

start at -2 then go right

Step-by-step explanation:

then leave a arrow mark me brainiest.

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What is the answer to this problem?

tangare [24]

9 because it’s skip counting by 3 and 2

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3 years ago

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A sequence is defined by the recursive function f(n 1) = f(n) – 2.if f(1) = 10, what is f(3)?16830

iogann1982 [59]

Hello,

f(n+1)=f(n)-2
f(1)=10
f(2)=8
f(3)=6
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2 years ago

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-1/3 =x+2/3<br> ......................................................

Ostrovityanka [42]

-1/3 =x+2/3

x = -1/3 - 2/3

x = -3/3

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3 years ago

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For what value of k are the roots of the quadratic equation kx (x-2)+6=0 equal?

ser-zykov [4K]

Answer:

$\boxed{\sf k=6}$

Step-by-step explanation:

$\sf kx (x-2)+6=0$

Expand brackets.

$\sf kx^2 -2kx+6=0$

This is in quadratic form.

$\sf ax^2 +bx+c=0$

Since this is for equal roots:

$\sf b^2 -4ac=0$

$\sf a=k\\b=-2k\\c=6$

$\sf (-2k)^2 -4(k)(6)=0$

$\sf 4k^2-24k=0$

$\sf 4k(k-6)=0$

$\sf 4k=0\\k=0$

$\sf k-6=0\\k=6$

Plug k as 0 to check.

$\sf \sf 0x^2 -2(0)x+6=0\\6=0$

False.

So that means k must equal 6.

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3 years ago

Given: Sine (A) = four-fifths, StartFraction pi Over 2 EndFraction < A < Pi and Sine (B) = StartFraction negative 2 StartR

ELEN [110]

Answer:

D

Step-by-step explanation:

Did test(edge 2020)

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