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Oksanka [162]
3 years ago
14

This then, plz? how about this it blurry?

Mathematics
2 answers:
Harman [31]3 years ago
8 0

Answer:

i-

Step-by-step explanation:

hummmm ummm umm

Vadim26 [7]3 years ago
8 0

Answer:

It's blurry

Step-by-step explanation:

I can't see anything

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What is the solution to the equation below? 3x/X-6=3​
Arturiano [62]

Answer:

no solution

Step-by-step explanation:

first, reduce the fraction by x. the equation is now 3-6=3. the statement is false, so there is no solution.

7 0
3 years ago
I need help with a calculus 2 exercise, with a good explanation to what I'm trying to figure out.
Karolina [17]
<h3>Explanation:</h3>

When writing rational expressions, you need to be aware that ...

  1/4x = (1/4)x ≠ 1/(4x)

Parentheses around the denominator are required, unless you're typesetting the expression and can use a fraction bar for grouping.

The derivative of the curve expression is ...

  y' = x - 1/(4x) . . . . . parentheses added to what you wrote

and the expression (1 -(y')^2) can be written ...

  1 -(y')^2 = x^2 +1/2 +1/(16x^2) . . . . . parentheses added to what you wrote

The first and last terms of this trinomial are both perfect squares, so you might suspect the whole trinomial is a perfect square. You recall that ...

  (a +b)^2 = a^2 + 2ab + b^2

This is a good "pattern" to remember. Using it is a matter of <em>pattern recognition</em>, as is the case with a lot of math.

Here, you have ...

  a = x

  b = 1/(4x)

In order for your trinomial to be a perfect square, the product 2ab must equal the middle term of your trinomial. (Spoiler: it does.)

  2ab = 2(x)(1/(4x)) = (2x)/(4x) = 1/2 . . . . . matches the middle term of 1 -(y')^2

Hence your trinomial can be written as the square ...

  1 -(y')^2 = (x +1/(4x))^2

_____

This is convenient because you want to integrate the square root of this. Your integral then becomes ...

\displaystyle\int\limits_{2}^{4}{\left(x+\frac{1}{4x}\right)\,dx

3 0
3 years ago
Find all solutions in the interval [0, 2π). 7 tan3x - 21 tan x = 0
mihalych1998 [28]
To solve the trigonometric expression we proceed as follows;
7(tan x)^3-21tanx=0
this can be written as:
7(tan x)^3=21tanx
dividing through by 7 we get:
(tan x)^3=tan x
dividing through by tan x we get:
(tanx)^1=1
hence;
tan x=+\-1
when tan x=1
x=45
when tan x=-1
x=-45
Given that our answer should be at the interval [0,2π] the answer:
45=45/180=1/4π
3 0
3 years ago
Robbie was given $80 to spend at the Fair. His admission to the park costs $15.50 and each ride cost $5. He anticipates the cost
Ad libitum [116K]

Answer:

7 or 8

Step-by-step explanation:

Robbie was given $80.

His admission costs $15.50

80 - 15.50 = $64.50

He anticipates the cost of food at the fair will be $25.

64.50 - 25 = $39.50

What is the maximum number of rides he can take at the Fair?

(Total $ after admission and cost of food/ ride cost)

$39.50 / $5 = 7.9

4 0
3 years ago
Read 2 more answers
The equation of a straight line is y+10=5x
MariettaO [177]

Answer:

y=5x-10

Step-by-step explanation:

y+10=5x

y=5x-10

4 0
3 years ago
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