1 year ago

What is the distance between the points (7, 8) and (-8, 0) on a coordinate grid?

Mathematics

1 answer:

Verizon [17]1 year ago

7 0

Answer:

17 units

Step-by-step explanation:

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Log 15 (2x − 2) = log 15 (x+9)

notka56 [123]

Answer:

$x=11$

Step-by-step explanation:

Given the equation

$\log_{15}(2x-2)=\log_{15}(x+9)$

Note that

$2x-2>0\\ \\2x>2\\ \\x>1$

and

$x+9>0\\ \\x>-9$

Combined, $x>1$

Solve the equation:

$2x-2= x+9\\ \\2x-x=9+2\\ \\x=11$

Since $11>1,$ this is the solution to the equation.

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3 years ago

Suppose you have a random variable that is uniformly distributed between 1 and 29. what is the expected value for this random va

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Assuming the distribution is continuous, you have

$\mathbb E(X)=\displaystyle\int_1^{29}\frac x{29-1}\,\mathrm dx=\dfrac1{28}\int_1^{29}x\,\mathrm dx=15$

If instead the distribution is discrete, the value will depend on how the interval of number between 1 and 29 are chosen - are they integers? evenly spaced rationals? etc

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2 years ago

Which statement compares the limit as x approaches –4 for the two graphs? In both graph I and graph II, the limit is 5. In both

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2 years ago

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A car travels in 65 miles per hour.Going through construction,it travels at 3/5 this speed.Write this fraction as a decimal and

-BARSIC- [3]

The decimal equivalent of 3/5 is 0.6 .

(0.6) x (65 mi/hr) = <em>39 mi/hr </em>

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