3 years ago

Given the quadrilateral ABCD, what is the length of diagonal AC?

Mathematics

1 answer:

Liono4ka [1.6K]3 years ago

6 0

Answer: a

Step-by-step explanation:

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Select the equivalent expression

slava [35]

Answer: c
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3 years ago

What is the length of line segment KJ?

Karolina [17]

Please consider the attached file.

We can see that triangle JKM is a right triangle, with right angle at M. Segment KM is 6 units and segment MJ is 3 units. We can also see that KJ is hypotenuse of right triangle.

We will use Pythagoras theorem to solve for KJ as:

$KJ^2=KM^2+MJ^2$

$KJ^2=6^2+3^2$

$KJ^2=36+9$

$KJ^2=45$

Now we will take positive square root on both sides:

$\sqrt{KJ^2}=\sqrt{45}$

$KJ=\sqrt{9\cdot 5}$

$KJ=3\sqrt{5}$

Therefore, the length of line segment KJ is $3\sqrt{5}$ and option D is the correct choice.

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3 years ago

Donna has a $300 loan through the bank she is charged a simple rate The total interest she paid on the loan was $63 As a percent

Black_prince [1.1K]

Answer:

21%

Step-by-step explanation:

($63*100%) / $300 = 21%

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2 years ago

This is just for fun, but I still need to figure this out

Vilka [71]

Answer:

Let them defrost first, then heat them up for a couple of minutes in the toaster.

Step-by-step explanation:

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3 years ago

1000000+200000=?<br><br> fun for me

Arturiano [62]

Answer:

1,200,000

Step-by-step explanation:

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3 years ago