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3 years ago

What is the value of the discriminant for the quadratic equation –3 = –x^2 + 2x?

Mathematics

1 answer:

ANTONII [103]3 years ago

5 0

A. -8 Because there’s a negative in -4ac

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What is the square root of 78

gogolik [260]

Answer:8.8317687

Step-by-step explanation:

To find the square root of 78

We gets

√78=8.83176087

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3 years ago

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Find DY divided by DX by implicit differentiation y=sinxy

amm1812

Answer:

Step-by-step explanation:

$y = sin(xy)\\\frac{d}{dx}y=cos(xy)(\frac{d}{dx}(xy))\\ \frac{d}{dx}y = cos(xy)(y + x*\frac{d}{dx}y)\\ write \: \frac{d}{dx}y \: as\:y'\\y' = cos(xy)(y+xy')\\y' = ycos(xy) + xy'cos(xy) \\y'-xy'cos(xy) = ycos(xy)\\y'(1-xcos(xy)) = ycos(xy)\\\\y' = \frac{ycos(xy)}{1-xcos(xy)}$

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3 years ago

Roger has two golden retrievers, Sadie and Buddy. buddy weighs 14 pounds more than Sadie. If their total weight is 136 pounds, h

ra1l [238]

Sadie= 82
Buddy= 54
Divide by 2, 136/2=68, then rest 14 to one half, 68-14=54, next add the other half 14, 68+14=82.
There you have it, i hope it helps you

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3 years ago

What is the simplest form of the ratio 11 : 16? A. 1 : 6 B. 5 : 8 C. 11 : 16 D. 22 : 32

Volgvan

Answer:

Step-by-step explanation:

c because 11 and 16 have no GCF other than 1

4 0

2 years ago

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(06.02 MC)

ololo11 [35]

Answer:

5n+8

4 times the quantity of a number and six

Step-by-step explanation:

8 more than 5 times a number

more than comes after

5 time a number

8 more than

5n+8

4(n + 6)

4 times the quantity of a number and six

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2 years ago