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3 years ago

Find the value of y for which y²-y=-1

Mathematics

1 answer:

xenn [34]3 years ago

5 0

Use photomath, it shows the work for you and everything!

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Can I get help with number 19

Alisiya [41]

Answer:

Step-by-step explanation:

x = 2 and y = -7

Plug those values into the equation:

2(2) - (-7) = 11

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3 years ago

Solve the system of linear equations using elimination. −2x − y = 3 −9x − y = 17

Maurinko [17]

-2×-y=3-9×-y=17

=2×+9×=1y+1y=17+3

11×=2y=20

11=y=20÷2

11y=10

y=10/11

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3 years ago

Which of these expressions represents the sum of two rational numbers being rational?

GaryK [48]

Answer:

i think its number 2 hope its correct

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3 years ago

WILL MARK THE BRAINLIEST, 10 PTS

kkurt [141]

Answer:

0 to 4.5

Step-by-step explanation:

ranges from 0 to 4.5

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3 years ago

The length of a rectangle is 18 centimeters less than five times it's width. It's area is 35 square centimeters. I need to find

Fiesta28 [93]

$\frac{(5x-18)(x)}{2} =35$
$(5x-18)(x)=70$
$5x^2-18x-70=0$
By the time you factorize this, you will get
x = 5.9521078984053 or -2.3521078984053
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3 years ago

Find the value of y for which y²-y=-1​

Find the value of y for which y²-y=-1