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Umnica [9.8K]
3 years ago
14

Y ( y + 4) - y = 6 is a quadratic equation. True False

Mathematics
1 answer:
ratelena [41]3 years ago
5 0

Answer:

y(y+4)-y=6

y2+4y-y2

y2_y2+4y

4y=6

false

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Of six Kokomuka (Hebe Elliptica) seedlings, four have survived the winter.
vladimir2022 [97]

Answer:

66.7%

Step-by-step explanation:

The number of seedlings planted is 6, while the number of seedlings that survived the winter is 4. Therefore the percentage of seedlings that survived can be gotten using the formula:

Percentage of seedlings survived = (survived seedlings / total seedlings planted) * 100%

Therefore substituting values gives:

Percentage of seedlings survived = (4 / 6) * 100% = 66.7%

3 0
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Write monomial in it's standard form<br> 0.15pq·4pq2
AysviL [449]

Is the 2 an Exponent or is it something else

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12 balls numbered 1 through 12 are placed in a bin. In how many ways can 3 balls be drawn, in order, from the bin, if each ball
Iteru [2.4K]

Answer:

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Step-by-step explanation:

There are three "spots" for balls.

__ __ __

For the first "spot," and without replacement, meaning we don't put the balls back, there are 12 choices.

12 __ __

But for the next spot, there are only 11 choices. And for the next, there are only 10!

12 11 10

Since these are independent events, we multiply them together.

12 x 11 x 10 = 1320

There are 1320 possibilities!

How could we do it on the calculator, much faster? The question says "in order," so we know it's a <em>permutation,</em> not a <em>combination.</em> This is the nPr button on the calculator (math -> prb -> 2). Just type in 12 nPr 3 and you get the same answer, 1320.

3 0
3 years ago
Find missing angles and variables
shutvik [7]

Answer:

e= 2x-4  

Step-by-step explanation:

the opposite of e is 2x-4.

7 0
4 years ago
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W=\mathbf F\cdot\mathbf r=(1.8\,\mathbf i+2.2\,\mathbf j)\cdot(56\,\mathbf i+31\,\mathbf j)
W=169\,\text{Nm}
8 0
3 years ago
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