3 years ago

Use the order of operations to evaluate the expression below. 14 - [3(12 - 10) + 3 - 7] * 3

Mathematics

1 answer:

vesna_86 [32]3 years ago

5 0

Answer:

Step-by-step explanation:

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Find the distance beyween S(6, -3) and T (7, -2)

s344n2d4d5 [400]

Answer:

$d=\sqrt{2}$

Step-by-step explanation:

Distance Formula: $d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Simply plug in your 2 coordinates into the distance formula to find distance <em>d</em>: $d=\sqrt{(7-6)^2+(-2-(-3))^2}$

$d=\sqrt{(1)^2+(-2+3)^2}$

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4 years ago

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What is 9999999 * 123456789

devlian [24]

Answer:

Use long multiplication to evaluate.

Exact Form:

1234567766543211

Decimal Form:

1.23456776.10^15

Step-by-step explanation:

Simplify.

4 0

3 years ago

What is the simplified form of the rational expression below 6x^2-54 / 5x^2+15x

Vladimir [108]

Answer:

$\large\boxed{\dfrac{6x^2-54}{5x^2+15x}=\dfrac{6(x-3)}{5x}=\dfrac{6x-18}{5x}}$

Step-by-step explanation:

$6x^2-54\qquad\text{distributive}\\\\=6(x^2-9)=6(x^2-3^2)\qquad\text{use}\ a^2-b^2=(a-b)(a+b)\\\\=6(x-3)(x+3)\\\\5x^2+15x\qquad\text{distributive}\\\\=5x(x+3)\\-----------------\\\\\dfrac{6x^2-54}{5x^2+15x}=\dfrac{6(x-3)(x+3)}{5x(x+3)}\qquad\text{cancel}\ (x+3)\\\\=\dfrac{6(x-3)}{5x}=\dfrac{6x-18}{5x}$