3 years ago

(-7x⁵+14-2x)+(10x⁴+7x+5x⁵)

Mathematics

1 answer:

alex41 [277]3 years ago

5 0

Answer:

− 2 x^5 + 10 x^ 4 + 5 x + 14

Step-by-step explanation:

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Anni [7]

Answer:

$\large \boxed{\$1200.00}$

Step-by-step explanation:

Let the office charge = x

Amount paid by Medicare = ⅞x

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Solve for x

$\begin{array}{rcrl}\dfrac{1}{4} \left(\dfrac{7}{8}x \right ) & = & \$262.50 & \\\dfrac{7}{32}x & = & \$262.50 & \text{Multiplied the fractions}\\\\7x & = & \$8400.00 & \text{Multiplied each side by 32}\\x & = & \mathbf{\$1200.00} & \text{Divided each side by 7}\\\end{array}\\\text{The office wanted to charge } \large \boxed{\mathbf{\$1200.00}}$

Check:

$\begin{array}{rcl}\dfrac{1}{4} \left(\dfrac{7}{8}\times \$1200.00 \right ) & = & \$262.50\\\\\dfrac{1}{4} \left(\$1050.00 \right ) & = & \$262.50\\\\\$262.50 & = & \$262.50\\\end{array}$

OK.

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3 years ago

(-7x⁵+14-2x)+(10x⁴+7x+5x⁵)​

(-7x⁵+14-2x)+(10x⁴+7x+5x⁵)