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storchak [24]
3 years ago
7

T-4t^2+2t^3 Please help :(

Mathematics
1 answer:
Arada [10]3 years ago
4 0

Answer:

Is there a question here?

Step-by-step explanation:

t - 4t² + 2t³ =    t(1 - 4t + 2t²)

                  =  t(2t² - 4t +1)

                  ≠≠≠≠     t(2t - 1)(t -1)

        used a graphing calculator to find the roots

       

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3x -2 &gt; -11<br><br> (The &gt; has an underscore under it)
user100 [1]

3x-2\geq-11

3x\geq-9

x\geq-3

x\in[-3, \infty)

Hope this helps.

7 0
2 years ago
What is speed x time=???
ASHA 777 [7]
Speed x time = distance
6 0
2 years ago
Please tell me the steps to this problem. i will give brainliest
gayaneshka [121]

Option C: -3 is the average rate of change between x=-1 and x=1

Explanation:

The formula to determine the average rate of change is given by

Average rate of change = \frac{y_2-y_1}{x_2-x_1}

We need to find the average rate of change between x=-1 and x=1

Thus, from the table, we have,

x_1=-1 , y_1=5

x_2=1 , y_2=-1

Thus, substituting these values in the formula, we get,

Average rate of change = \frac{-1-5}{1+1}

                                        =\frac{-6}{2}

                                        =-3

Thus, the average rate of change between x=-1 and x=1 is -3.

Hence, Option C is the correct answer.

6 0
2 years ago
Write 77.5% as a fraction or mixed number in simplest form.
Delicious77 [7]

Answer:

The answer is  77\frac{1}{2} .

Step-by-step explanation:

Given:

77.5%.

Now, to write as a fraction or mixed number in simplest form.

77.5%

So, we divide by 10 by removing decimal as decimal is at tenth place.

= \frac{775}{10}

So, simplifying it:

=\frac{155}{2}

Now, we change into mixed fraction:

=77\frac{1}{2}

Therefore, the answer is 77\frac{1}{2} .

7 0
3 years ago
9.4 the tangent ratio<br> please help on #27 and 28
Ilya [14]

Answer/Step-by-step explanation:

27.

✔️Sin 23 = opp/hyp

Sin 23 = t/34

34*sin 23 = t

t = 13.3

✔️Cos 23 = adj/hyp

Cos 23 = s/34

s = 34*cos 23

s = 31.3

28.

✔️Sin 36 = opp/hyp

Sin 36 = s/5

s = 5*sin 36

s = 2.9

✔️Cos 36 = adj/hyp

Cos 36 = r/5

r = 5*cos 36

r = 4.0

29.

✔️Sin 70 = opp/hyp

Sin 70 = w/10

w = 10*sin 70

w = 9.4

✔️Cos 70 = adj/hyp

Cos 70 = v/10

v = 10*cos 70

v = 3.4

6 0
2 years ago
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