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Mila [183]
2 years ago
10

Find the product of this expression. (2 + x)( 4 - 2x + x2) =

Mathematics
2 answers:
Crank2 years ago
7 0

Answer:

8+x^3

Step-by-step explanation:

Sliva [168]2 years ago
7 0
The answers is 8+4x!!!
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PLZ HELP ME I DON'T REALLY UNDERSTAND<br><br> M-7&lt;6
KATRIN_1 [288]

M-7<6

add 7 to each side

M-7 +7 < 6+7

M < 13

this is true for all values of M less than 13

8 0
3 years ago
Read 2 more answers
Find dy/dx of y=csc(square root of x)
Vitek1552 [10]

Answer:

y' = -\dfrac{\cot x \csc x}{2 \sqrt{x}}

Step-by-step explanation:

y = csc x

y' = -cot x csc x

y = \csc \sqrt{x}

y' = \dfrac{d}{dx} [\csc \sqrt{x}]

y' = (-\cot x \csc x) \dfrac{d}{dx} \sqrt{x}

y' = (-\cot x \csc x) \dfrac{d}{dx} x^{\frac{1}{2}}

y' = (-\cot x \csc x) \dfrac{1}{2} x^{-\frac{1}{2}}

y' = -\dfrac{\cot x \csc x}{2 \sqrt{x}}

5 0
2 years ago
Sarah drives 1 2/3 hours on Monday. She drives 2 1/6 hours on Tuesday. How far does Sarah drive in those two days?​
WINSTONCH [101]

Answer:

3 5/6

Step-by-step explanation:

I used a calculator on calculator soup it basically has every calculator

6 0
2 years ago
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30% of the 600 students at Mayberry Middle School have PE this semester. How many students have PE?
ella [17]

Answer:

180 students

Step-by-step explanation:

8 0
2 years ago
Beaker A contains 1 liter which is 15 percent oil and the rest is vinegar, thoroughly mixed up. Beaker B contains 2 liters which
Tanzania [10]

Answer:

Add 1.25 litres of oil.

Step-by-step explanation:

Contents in beaker A implies;

15% of oil in 1 litre = 0.15 litres of oil

So that, there are 0.15 litres of oil and 0.85 litres of vinegar in beaker A.

Contents in beaker B implies:

55% of oil in 2 litres = 1.1 litres of oil

So that, thee are 1.1 litres of oil and 0.9 litres of vinegar in beaker B.

Half of contents of B poured into A implies that beaker A now contains:

0.15 litres + 0.55 litres = 0.7 litres of oil

0.85 litres + 0.45 litres = 1.3 litres of vinegar

The percentage of oil in A now = \frac{0.7}{2} x 100%

                                                    = 35%

To increase the percentage of oil to 60%, then:

0.7 litres + 1.25 litres = 1.95 litres of oil

But the new total litres of the content in beaker A = 3.25 litres

So that;

\frac{1.95}{3.25} x 100% = 60%

Therefore, to produce a mixture which is 60% oil, add 1.25 litres of oil.

7 0
3 years ago
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