2 years ago

If you subtract 13 from an even number, the answer will be odd. A. True B. False

Mathematics

1 answer:

Nikolay [14]2 years ago

6 0

Answer:

A. True

Step-by-step explanation:

Even numbers are divisible by 2 with no remainder. 13/2 = 6.5 so yes.

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vivado [14]

Answer:576

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Have a great day,

Eric

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3 years ago

What is root 3 × 2 root 3

Nezavi [6.7K]

Answer:

Step-by-step explanation:

The principal, real, root of:

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3 years ago

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3 years ago

Find the positive value of x in the geometric sequence 7x-2,4x+4,3x

Goryan [66]

Hello,

Let's assume k the ratio.

$
 \left \{ {{3x=k*(4x+4)} \atop {4x+4=k*(7x-2)}} \right. \\\\
 \left \{ {{3x-4kx=4k} \atop {4x-7kx=-2k-4}} \right. \\\\
 \left \{ {{x(3-4k)=4k} \atop {x(4-7k)=-2k-4}} \right. \\\\
 \left \{ {{x=\dfrac{4k}{3-4k} \atop {x=\dfrac{-2k-4}{4-7k} \right. \\\\

\dfrac{4k}{3-4k}=\dfrac{-2k-4}{4-7k}\\\\

36k^2-6k-12=0\\
6k^2-k-2=0\\

\boxed{k= \dfrac{2}{3} \ or\ k= -\dfrac{1}{2}}\\\\

x=\dfrac{4*\dfrac{2}{3} }{3-4*\dfrac{2}{3} }=8\\
x=\dfrac{4*\dfrac{-1}{2} }{3-4*\dfrac{-1}{2} }=-\dfrac{2}{5}\\





$

$\boxed{x= 8 \ or\ x= -\dfrac{2}{5}}\\\\$

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3 years ago

Given the proportion a/b=12/19 which ratio completes the equivalent proportion a/12=?

Hitman42 [59]

$\bf \cfrac{12}{19}=\cfrac{a}{12}$ solve for "x"

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3 years ago