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Ksivusya [100]
3 years ago
11

F (x)= 4x^3-3x-1

1" title="f(x) = 4x {}^{3} - 3x - 1" alt="f(x) = 4x {}^{3} - 3x - 1" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
Nataly_w [17]3 years ago
4 0
Get this app called photo math it will solve anything you want
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35/40 reducing fractions
laila [671]

Answer: 7/8

What you have to do here is to find the highest number which can be divided by both. Or you have to divide both the numerator and denominator until it can not be divided by any number anymore. You can do this by finding the highest common factor (<u>HCF)</u> of both the number, 35 and 40.

Highest Common Factor: HCF of two or more numbers is the greatest factor that divides the numbers. For example, 2 is the HCF of 4 and 6.

So, the highest number which divides 35 and 40, is 5. Now 35 divided by 5 is 7 and 40 divided by 5 is 8. The final answer is 7/8 and there is no more numbers which can divide both of them by a specific number.


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   hope it helped
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6 0
2 years ago
Estimated unit rate of 2.35 and 12 eggs
pychu [463]
Rounded to the nearest hundredth is 0.20 to 1. Hope that helps!
4 0
2 years ago
Which of the following is a solution to 2cos2x − cos x − 1 = 0?
Pavel [41]

Answer:

Option A is correct.

Solution for the given equation is, x = 0^{\circ}

Step-by-step explanation:

Given that : 2\cos^2x -\cos x -1 =0

Let \cos x =y

then our equation become;

2y^2-y-1= 0           .....[1]

A quadratic equation is of the form:

ax^2+bx+c =0.....[2] where a, b and c are coefficient and the solution is given by;

x = \frac{-b\pm \sqrt{b^2-4ac}}{2a}

Comparing equation [1] and [2] we get;

a = 2 b = -1 and c =-1

then;

y = \frac{-(-1)\pm \sqrt{(-1)^2-4(2)(-1)}}{2(2)}

Simplify:

y = \frac{ 1 \pm \sqrt{1+8}}{4}

or

y = \frac{ 1 \pm \sqrt{9}}{4}

y = \frac{ 1 \pm 3}{4}

or

y = \frac{1+3}{4} and y = \frac{1 -3}{4}

Simplify:

y = 1 and y = -\frac{1}{2}

Substitute y = cos x we have;

\cos x = 1

⇒x = 0^{\circ}

and

\cos x = -\frac{1}{2}

⇒ x = 120^{\circ} \text{and} x = 240^{\circ}

The solution set:  \{0^{\circ}, 120^{\circ} , 240^{\circ}\}

Therefore, the solution for the given equation  2\cos^2x -\cos x -1 =0 is, 0^{\circ}





8 0
3 years ago
Read 2 more answers
Can I please get some help and correct me if I’m wrong with number 1 and 2
Fynjy0 [20]
1) correct
2) -3
3) 15/7
4) -10
6 0
2 years ago
Read 2 more answers
Which statement is correct using "is equal to" (=)?
marishachu [46]

Answer:

The answer is B.

Step-by-step explanation:

Given that each box has 9 pineapples. So if there are 6 boxes, there will be 54 pineapples :

6 × 9 = 54 pineapples

7 0
2 years ago
Read 2 more answers
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