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3 years ago

6

Which of the following is a false statement? *

1 answer:

Mashutka [201]3 years ago

3 0

Answer:B

Step-by-step explanation:

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L<br> 6<br> K<br> 3<br> 6<br> 6<br> Find the area of ALKJ.<br> 8<br> Please help

LenKa [72]

Answer:

37.5

Step-by-step explanation:

KM^2=LM*MJ(consequence from the similarity of KLM and JLK )

=>36=LM*8

LM=36/8=4.5

=>S=6/2*(8+4.5)=3*12.5=37.5

3 0

3 years ago

What is the prim factorization of 84

zubka84 [21]

This is the answer I came to by hand. Sorry for the handwriting.

4 0

3 years ago

The area of a rectangle is 36x – 24 square units. The length is 12. Find the width.

lutik1710 [3]

Answer:

36x - 24 / 12 = 3x-2 I think

8 0

3 years ago

The diagonals of quadrilateral ABCD intersect at E(−2,4). ABCD has vertices at A(1,7) B(−3,5). What must be the coordinates of C

LUCKY_DIMON [66]

Answer:

The coordinates of C and D are (1, 3) and (-5, 1), respectivelly.

Step-by-step explanation:

Since E is the midpoint of diagonals AD and BC (see attachment). That is:

$AD = 2 \cdot AE$

$BC = 2\cdot BE$

The vectorial distances of AE and BE are, respectively:

$\overrightarrow{AE} = \vec E - \vec A$

$\overrightarrow {AE} = (-2,4) -(1,7)$

$\overrightarrow{AE} = (-2-1, 4-7)$

$\overrightarrow {AE} = (-3,-3)$

$\overrightarrow{BE} = \vec E - \vec B$

$\overrightarrow {BE} = (-2,4) - (-3,5)$

$\overrightarrow {BE} = (-2+3, 4-5)$

$\overrightarrow {BE} = (1,-1)$

Now, the relative vectorial distances to C and D are now obtained:

$\overrightarrow {AD} = 2\cdot \overrightarrow {AE}$

$\overrightarrow {AD} = 2 \cdot (-3,-3)$

$\overrightarrow{AD} = (-6, -6)$

$\overrightarrow {BC} = 2 \cdot \overrightarrow {BE}$

$\overrightarrow{BC} = 2 \cdot (1,-1)$

$\overrightarrow {BC} = (2,-2)$

Lastly, the coordinates are found by the following vectorial equations:

$\vec C = \vec B + \overrightarrow {BC}$

$\vec C = (-3,5) + (2,-2)$

$\vec C = (-3+2, 5 -2)$

$\vec C = (-1,3)$

$\vec D = \vec A + \overrightarrow {AD}$

$\vec D = (1,7) + (-6,-6)$

$\vec D = (1-6, 7 -6)$

$\vec D = (-5, 1)$

The coordinates of C and D are (1, 3) and (-5, 1), respectivelly.

6 0

4 years ago

Pleaseeee Thank you!!!!!!!!!

Akimi4 [234]

Answer:

D.

Step-by-step explanation:

Let's solve each choice.

A: 3 divided by 90 is 3/90 and can be simplified to 1/30. So no.

B: 1/5 divided by 6. Recall that when dividing, you multiply the 1st term by the 2nd term's reciprocal. If you do this, you get 1/30. So no.

C: 1/6 divided by 5. Again, multiply 5's reciprocal to 1/6. There you get 1/30. So no.

D: 6 divided by 1/5. Again, multiply 1/5's reciprocal to 6. 1/5's reciprocal is 5. 5*6 = 30. So this is the correct answer.

3 0

3 years ago