3 years ago

HELPPP FASTTT!!!!!!!

Mathematics

1 answer:

goldfiish [28.3K]3 years ago

3 0

I cant see the picture i can’t help sorry

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10. Use the discriminant to find the values of b for which the equation 4x2 + bx + 1 = 0 has one real solution.

il63 [147K]

Answer:

b = 4, or -4

Step-by-step explanation:

b^2 - 4*4*1 = 0

b^2 = 16

b = 4, or -4

8 0

2 years ago

anonymous anonymous 3 years ago On October 2,1991 the Japanese yen was worth .0075 united states dollars. at that time, how much

tiny-mole [99]

1 yen = 0.0075 dollar
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4 years ago

-2+4(-5+2m)=5(4-2m)+5m

kenny6666 [7]

$-2+4(-5+2m)=5(4-2m)+5m\ \ \ \ |\text{use distributive property}\\\\-2+(4)(-5)+(4)(2m)=(5)(4)+(5)(-2m)+5m\\\\-2-20+8m=20-10m+5m\\\\(-2-20)+8m=20+(-10m+5m)\\\\-22+8m=20-5m\ \ \ \ |+22\\\\8m=42-5m\ \ \ \ \ \ |+5m\\\\13m=42\ \ \ \ \ |:13\\\\\boxed{m=4}$