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max2010maxim [7]

3 years ago

6

Which figure does NOT appear to be a parallelogram ?

1 answer:

cupoosta [38]3 years ago

3 0

Answer:

B) Figure 2

Explanation:

In all parallelograms, both pairs of opposite sides are parallel to each other. Thus the name parallelogram. Figure 1, figure 2 , and figure 4 all share that property. Figure 2 does not, as it only has one pair of opposite sides parallel to each other. It is a trapezoid.

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If x+y = -1, and xy= -12, what is the value of (x+3) (y+3) ?

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Answer:

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7 0

3 years ago

Which of the following equations is equivalent to log(y)= 3.994 ?

horrorfan [7]

Answer:

The correct answer is option D: $y = 10^{3.994}$

Step-by-step explanation:

Given:

log(y)= 3.994

Solution:

A logarithm base b of a positive number x satisfies the following definition:

$y =log_b(x) => b^y =x$

For $x > 0, b >0, b \neq 1$

Also if no base b is indicated, the base of the logarithm is assumed to be 10 .

Thus, in log(y)= 3.994 base b is not indicated. so its base is assumed to be 10

now

$log_{10}(y)= 3.994$

Then

$y = 10^{3.994}$

3 0

3 years ago