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damaskus [11]
3 years ago
13

Which statements could you use to conclude that JKLM is a parallelogram?

Mathematics
2 answers:
Kisachek [45]3 years ago
8 0

Answer

I think the answer might just be a.


telo118 [61]3 years ago
7 0
Angle JML Angle LKJ & Angle MJK = MLK

Why it's correct:

In a parallelogram the opposite angles are congruent (as well as the opposite sides
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12(5 x-4.5)=36 what is the value of x
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Answer:

x=

3 /2

Step-by-step explanation:

12(5x−4.5)=36

(12)(5x)+(12)(−4.5)=36(Distribute)

60x+−54=36

60x−54=36

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Step 3: Divide both sides by 60.

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A roof drops 6 feet for every 3 feet forword,determine the slope of the roof the slope can be positive or negative
dalvyx [7]

Answer:

The slope is -2

Step-by-step explanation:

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Now our fraction is \frac{-6}{3}

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There are 90 seats on a train. 63 of the seats are empty. What percentage of the seats on the train are empty?
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I need help please. Thanks!
Karolina [17]

Answer:

A

Step-by-step explanation:

We are given the function f and its derivative, given by:

f^\prime(x)=x^2-a^2=(x-a)(x+a)

Remember that f(x) is decreasing when f'(x) < 0.

And f(x) is increasing when f'(x) > 0.

Firstly, determining our zeros for f'(x), we see that:

0=(x-a)(x+a)\Rightarrow x=a, -a

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We can create the following number line:

<-----(-a)-----0-----(a)----->

Next, we will test values to the left of -a by using (-a - 1). So:

f^\prime(-a-1)=(-a-1-a)(-a-1+a)=(-2a-1)(-1)=2a+1

Since a is a positive constant, (2a + 1) will be positive as well.

So, since f'(x) > 0 for x < -a, f(x) increases for all x < -a.

To test values between -a and a, we can use 0. Hence:

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So, since f'(x) > 0 for x > a, f(x) increases for all x > a.

The answer choices ask for the domain for which f(x) is decreasing.

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So, the correct answer is A.

3 0
2 years ago
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