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3 years ago

Do restrictions on variables remain the same after a rational expression is simplified?

Mathematics

1 answer:

harina [27]3 years ago

8 0

Answer:

They ex out as a 0.

Step-by-step explanation:

since it doesn't work so u get a 0 which means it is not counted.

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Each week your parents give you $5.25 for doing chores. After saving your money for

Naya [18.7K]

Answer:

$49.55

Step-by-step explanation:

multiply 5.25 by 12 then subtract thetnumber by 13.45

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3 years ago

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What is the approximate surface area of the sphere? Round to the nearest hundredth and use 3.14 for Pi. Recall the formula S A =

77julia77 [94]

Answer:

Step-by-step explanation:

A = 4πr² = 4π9² = 324π units²

324(3.14) = 1,017.36 units²

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3 years ago

Express log2 6 + log2 7 as a single logarithm. A. log2 42 B. log2 √ 42 C. log2 7/6 D. log2 6/7

never [62]

Answer:

A. $\log _2\left(6\right)+\log _2\left(7\right)=\log _2\left(42\right)$

Step-by-step explanation:

To express $\log _2\left(6\right)+\log _2\left(7\right)$ as a single logarithm you must apply the log rule:

$\log _c\left(a\right)+\log _c\left(b\right)=\log _c\left(ab\right)$

So,

$\log _2\left(6\right)+\log _2\left(7\right)=\log _2\left(6\cdot \:7\right)$

Multiply the numbers: $6\cdot \:7=42$

$\log _2\left(6\right)+\log _2\left(7\right)=\log _2\left(42\right)$

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4 years ago

Question 3.

Vaselesa [24]

C, positive linear association. It is positive because it moves upward on the graph (left to right) and it is linear because it is a nearly straight line.

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3 years ago

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Please help evaluate?

Dominik [7]

3.

4^3 is equal to 64. Therefor log4(64) must be equal to 3.

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3 years ago