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DENIUS [597]
3 years ago
13

Factor the trinomial 3x^2+12x+9

Mathematics
1 answer:
blondinia [14]3 years ago
8 0

Answer:

x^2 + 4x + 3

Step-by-step explanation:

divide everything by 3

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Suppose the radius of a circle is 8 units. what is its circumference​
klio [65]

Answer:

\large\boxed{C=16\pi\approx50.24}

Step-by-step explanation:

The formula of a circumference of a circle:

C=2\pi r

r - radius

We have <em>r = 8</em>. Substitute:

C=2\pi(8)=16\pi

\pi\approx3.14\to C\approx(16)(3.14)=50.24

6 0
4 years ago
Which descriptions can describe more than one triangle? check all that apply
babunello [35]

Answer:

Angle measurements of 35°, 35°, and 110°

Angle measurements of 40°, 60°, and 80°

Step-by-step explanation:

If you specify only the three angles, you can have an infinite number of similar triangles of different sizes.

A is wrong. There can be only one triangle in which all three side lengths are specified.

C is wrong. The angles do not add up to 180°.

5 0
3 years ago
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Paha777 [63]
That would be the because if you chose it really wouldn’t make
3 0
2 years ago
How much soil with 10% clay do you need to add to 3 m3 of soil with 50% clay In order to make a soil with 22% clay?
Anarel [89]
0.1c + 27*0.5c = .22c

4 0
3 years ago
What is the answer for 25.2÷2.1 using showing my work
lilavasa [31]

Answer:

25.2

Step-by-step explanation:

2.1*12=25.2

use a calculator if you're allowed to show work that way, if not a simple way is

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2.1*12 is equal to 2.1*10=21 because 2*12=24 and .1*12=1.2

7 0
3 years ago
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