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DIA [1.3K]
3 years ago
5

Factor 9x2 - 4y2 Group of answer choices

Mathematics
1 answer:
serious [3.7K]3 years ago
7 0

Answer:

(3x-2y)(3x+2y)

Step-by-step explanation:

Proof:

(3x-2y)(3x+2y)-use FOIL method (First, Outer, Inner, Last)

3x*3x+2y3x-2y3x-2y*2y

9x^2+0-4y^2

<u>9x^2-4y^2</u>

The answer is (3x-2y)(3x+2y).

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In parallelogram LMNO, LM = 4.12, MN = 4, LN = 5, and OM = 6.4. Diagonals and intersect at point R. What is the length of OR?
satela [25.4K]

Answer: D. 3.2


Step-by-step explanation:

Given : In parallelogram LMNO,

LM = 4.12, MN = 4, LN = 5, and OM = 6.4.

Diagonals and intersect at point R.

We know that diagonals of a parallelogram bisect each other.

Since R is the intersection point of both diagonals.

⇒R is the mid point of OM.

Thus OR=\frac{OM}{2}

=\frac{6.4}{2}=3.2

Therefore, OR=3.2

6 0
3 years ago
Read 2 more answers
Trying to do a question for my friend, can't quite figure it out though. Some help would be appreciated!
Troyanec [42]

Answer:

B : 5/6

Step-by-step explanation:

By doing some simple fraction, this would be the only thing that'd be correct!

7 0
3 years ago
A cube-shaped tank that measures 4.64.6 meters on each side is full of water. If some water is drained to fill a cone with a hei
rusak2 [61]

Answer:

The amount of water left in the tank is approximately 58.1 cubic meters

Step-by-step explanation:

step 1

Find the volume of the a cube shape tank

The volume is equal to

V=b^{3}

we have

b=4.6\ m

substitute

V=4.6^{3}=97.336\ m^{3}

step 2

Find the volume of cone

The volume is equal to

V=\frac{1}{3}\pi r^{2}h

we have

r=2.5\ m

h=6\ m

\pi =3.14

substitute

V=\frac{1}{3}(3.14)(2.5)^{2}(6)

V=39.25\ m^{3}

step 3

Find the difference of the volumes

97.336\ m^{3}-39.25\ m^{3}=58.1\ m^{3}

3 0
3 years ago
Which best defines a pioneer species?
mixas84 [53]
The first species to populate an uninhabited
6 0
2 years ago
Find the value of x.<br><br> help
Komok [63]

Answer:

X=62

Step-by-step explanation:

X=62 because the side where x is and where the other degree is, they are congruent. And since you have to add 12 it would have to be 62 to be equal to 74.

7 0
3 years ago
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