3 years ago

Use intercepts to graph -7x-2y=-21

Mathematics

1 answer:

NISA [10]3 years ago

8 0

Answer: -7/2

Step-by-step explanation:

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0.25

Step-by-step explanation:

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3 years ago

Is there any positive number b so that the expression logb (0) makes sense? Explain how you know?

topjm [15]

Answer:

No.

Step-by-step explanation:

The logarithm of a number to the base b of a certain number is the exponent

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So say we have logb y = a, then

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So if y = 0 then

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If b is a positive number then there is no value of a that makes y = 0.

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3 years ago

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3 years ago

Find any domain restrictions on the given rational equation

rodikova [14]

Answer:

x ≠ -4, -1, 3

Step-by-step explanation:

$\frac{x}{x+4}+ \frac{12}{x^2} +5x+4 = \frac{8x}{5x-15}$

$12/(x^2+5x+4) = 8x/(5x-15)$

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3 years ago

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The Edwards family's bill for dinner is $42.95. How much should they tip their server? (assuming they tip the normal 15%.)

OLEGan [10]

Answer:

Tip given to the server be $6.44 .

Step-by-step explanation:

As given

The Edwards family's bill for dinner is $42.95.

The normal tip is 15%.

15% is written in the decimal form .

$= \frac{15}{100}$

= 0.15

Tip given to the server = 0.15 × Cost of the dinner

Putting all the values in the above

= 0.15 × 42.95

= $6.44 (Approx)

Therefore the tip given to the server be $6.44 .

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4 years ago

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