48

Mathematics

1 answer:

Diano4ka-milaya [45]2 years ago

4 0

2.20 kg + 1.90 kg

*1*
2.20
+1.90
4.10

Ans=4.10 kg

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Which expressions can be used to compute the approximate area of triangle xyz? check all that appy

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Answer:

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Step-by-step explanation:

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$\bf \qquad \textit{Simple Interest Earned Amount}\\\\
A=P(1+rt)\qquad 
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zzz [600]

1.
$\displaystyle \text{if }\quad G=x- \frac{C}{x} \\\\$

$x \neq 0$

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$\displaystyle Gx=x\bigg(x- \frac{C}{x}\bigg )\\\\Gx=x^2-C$

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$Gx-Gx=x^2-C-Gx\\x^2-Gx-C=0$

Then solve this equation:

$\displaystyle x^2-Gx-C=0\\\\x_{1,2}= \frac{G\pm \sqrt{G^2+4C} }{2}$

2.
$\displaystyle\text{if}\quad G= \frac{x-C}{x}$

$x \neq 0$

Multiply both sides by x:

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Subtract from both sides Gx:

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2 years ago

. Tommy gives baseball cards to four of his friends. He gives Kiana 3 cards less than he gives Gary.

Licemer1 [7]

We need to write system of equations for this problem. Reading text we write 1 equation by 1.
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y - Gary cards
z - Monty cards
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I think easiest way to solve this is to express all variables in last equation and solve for x.
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