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Cerrena [4.2K]
1 year ago
10

Factor: 3t³-21t²-12t

Mathematics
1 answer:
Ksivusya [100]1 year ago
8 0

Answer:

3t (t²-7t-4t)

Step-by-step explanation:

The highest common factor was 3t

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4x-(5-x)=8[4-(8+2x-1)]
Alex Ar [27]
4x-(5-x)=8[4-(8+2x-1)]
answer: x= -19/21
8 0
3 years ago
Using the breaking apart method,what is the best way to multiply 8 by 7?
Veseljchak [2.6K]
If we multiply 8 and 7 we get the answer:
8 x 7 = 56
Now we are going to break apart the number in such a way that we still get the answer 56.
we can split 8 into 2 equal parts 4 and 4, so
8 = 4+4
but 7 cannot break apart in equal part so,
(4+4) x 7 = 56
we can also add 7,  8 times or add 8 7 times and still get the answer 56,
7+7+7+7+7+7+7+7=56
8+8+8+8+8+8+8 = 56
5 0
3 years ago
Please help me with this
tekilochka [14]

Answer:

CD= 34

Step-by-step explanation:

As CD is the diameter the circle divides to half and point E is on the circle ∴∠CED =90° (angle of a semi circle)

as CD is the diameter it would be the lengthiest of all ∴ CD is hypotenuse

so CD =\sqrt{16^{2} + \sqrt{30^{2} } } }

= CD=\sqrt{256+900}

=CD=\sqrt{1156}

∴CD=34

8 0
3 years ago
Help needed please <br> I need to submit it by am hour
Tasya [4]

Answer:663

Step-by-step explanation:

4 0
3 years ago
What are the zeros of the function?
artcher [175]

Answer:

The third choice:  -4, 0, and 1

Step-by-step explanation:

Finding zeroes is another way of saying solve...set the equation equal to zero and solve..

0 = 2x³ + 6x² - 8x

0 = 2x(x² + 3x - 4)    (factor out a 2x from all three terms)

0 = 2x(x + 4)(x - 1)       (factor x² + 3x - 4)

So

2x = 0          then x = 0

x + 4 = 0      then x = -4

x - 1 = 0       then x = 1

Our zeroes are -4, 0, and 1

7 0
3 years ago
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