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2 years ago

10

When finding the least common denominator you have to multiply the number by other factors such as 1,2,3 etc. true or false help

please

1 answer:

Mashutka [201]2 years ago

4 0

Answer:

True

Step-by-step explanation:

One way to find the least common multiple of two or more numbers is to first multiply each by 1, 2, 3, etc.

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I need to write 1 X 1 + 9 X ( 1/2) + 8 X ( ( 1/100) + 1 X ( 1/1000) in a standard form?

saw5 [17]

2/1112x1=2/1112+9=2/1121+8=2/1130+1=2/1131

=2/1131

8 0

3 years ago

Solving Rational equations. LCD method. Show work. Image attached.

Ugo [173]

Answer:

$k=\frac{1}{2}$

Step-by-step explanation:

The given rational equation is

$\frac{5k}{k+2}+\frac{2}{k}=5$

The Least Common Denominator is

$k(k+2)$

Multiply each term by the LCD.

$k(k+2)\times \frac{5k}{k+2}+k(k+2)\times \frac{2}{k}=5k(k+2)$

Simplify;

$k\times \frac{5k}{1}+(k+2)\times \frac{2}{1}=5k(k+2)$

$\Rightarrow k(5k)+2(k+2)=5k(k+2)$

Expand;

$\Rightarrow 5k^2+2k+4=5k^2+10k$

Group similar terms;

$\Rightarrow 5k^2-5k^2+2k-10k=-4$

$\Rightarrow -8k=-4$

Divide by -8.

$k=\frac{1}{2}$

5 0

3 years ago

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Juli2301 [7.4K]

It's 3.2 units
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6 0

3 years ago

Using complete sentences, describe how you would check the quotient of two rational expressions. Create and demonstrate your own

Kamila [148]

<span>To check the quotient of a division problem, I would multiply the quotient by the divisor and add the remainder. If the quotient is correct, the result will be the dividend.
example is below
</span><span><span><span><span>x2</span>−x−6/</span><span>x−3</span></span>=<span><span>(x−3)(x+2)/</span><span>x−3</span></span>=x+2</span>

6 0

3 years ago

Give the discriminant of the equation 0 = −x2+6x−9<br>please answer

Brut [27]

Answer:

x = 3

Steps:

$- ( {x}^{2} - 6x + 9) = 0$

$- {(x - 3)}^{2} = 0$

${(x - 3)}^{2} = 0$

$x - 3 = 0$

There you go!

8 0

3 years ago