3 years ago

3 - 0,

Mathematics

1 answer:

anyanavicka [17]3 years ago

5 0

Answer Ox<1-

Step-by-step explanation:

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20 Point!

ludmilkaskok [199]

determinant: $\sqrt{b^2-4ac}$

(a) $x^2+4x+5=0\\D=4^2-4\cdot1\cdot5={-4}\\D$

D<0 means there are no real roots. there are two complex roots with imaginary components.

(b) D=16+20=36>0

D>0 means there are two real roots

D=0 means there is one real root with multiplicity 2

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3 years ago

A rectangle has length 72 cm and it’s width 56 cm. The other rectangle has the same area as this one, but its width is 21 cm. Fi

Kryger [21]

A = l*w

A = 72* 56

A= 4032

4032 = L*21

4032/21 =L

L =192

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2 years ago

What is the square root of 841

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29 ...................................................................................................

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3 years ago

Simplify.<br><br> 1/3(1−1/4)^2

xxMikexx [17]

First step is parentheses so subtract 1/4 from 1

(1-1/4) = (4/4 - 1/4) = (3/4)

After parentheses we perform exponent operations

(3/4)^2 = (3^2/4^2) = (9/16)

Finally, after exponent operations we perform multiplications

(1/3)*(9/16) = (3/16)

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Josie wants to make a drawstring backpack for her friends. She has 6 friends and the total for the backpacks is 48 dollars

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8 dollars for each friend

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