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Dmitry [639]
4 years ago
14

X^3+10x^2/x^2+5x-50 Simply the expression

Mathematics
1 answer:
dusya [7]4 years ago
6 0

Solution, x^3+10\cdot \frac{x^2}{x^2}+5x-50=x^3+5x-40

Steps:

x^3+10\cdot \frac{x^2}{x^2}+5x-50

\mathrm{Apply\:rule}\:\frac{a}{a}=1, \frac{x^2}{x^2}=1, =x^3+10\cdot \:1+5x-50

\mathrm{Multiply\:the\:numbers:}\:10\cdot \:1=10, =x^3+10+5x-50

\mathrm{Group\:like\:terms}, =x^3+5x+10-50

\mathrm{Add/Subtract\:the\:numbers:}\:10-50=-40,=x^3+5x-40

\mathrm{The\:Correct\:Answer\:is\:=x^3+5x-40}

\mathrm{Hope\:This\:Helps!!!}


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Max worked eight hours and earned $66. how much does he make per hour?
loris [4]
8.25

You can check my answer on a calculator if you want

8.25money x 8hours
6 0
4 years ago
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Evaluate.<br> 13[42–(2+4)]
german

Answer:

468

Step-by-step explanation:

=13[42-6]

=13 (36)

=13×36

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6 0
3 years ago
What is the volume, in cubic centimeters, of a right rectangular prism that has a lenght of 4 centimeters, a width of 9 centimet
Temka [501]

Answer:

The volume of the prism is 360 cm^3.

Step-by-step explanation:

The rectangular prism is a three dimensional figure formed by six rectangular faces. It's volume is given by the product of it's three dimensions. The calculation for the volume of this prism is shown bellow:

volume = width*height*length

volume = 9*10*4

volume = 360 cm^3

The volume of the prism is 360 cm^3.

7 0
3 years ago
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Please help! I'm getting timed.
Molodets [167]
Hi there! The answer is A.

t = 2(s + 2)
To get a proper idea of the type of function this formula represents we work out the parenthesis.

Working out the parenthesis can for instance be done using rainbow technique.
t = 2s + 4

We can now see sinilarities between this function an the general function of a line in slope intercept form
y = mx + n

The function t therefore describes a line with slope 2 and y-intercept 4. Therefore the answer is A.
3 0
3 years ago
Of all the soft drink consumers in a particular sales region, 30% prefer Brand A and 70% prefer Brand
victus00 [196]

Answer:

Option D -0.67

Step-by-step explanation:

Given : Preference of Brand A =30% ⇒ P(A)=\frac{30}{100}=0.3

Preference of Brand B =70% ⇒ P(B)=\frac{70}{100}=0.7

Prefer Brand A and are Female = 20% ⇒ P(A/F)=\frac{20}{100}=0.2

Prefer Brand B and are Female = 40% ⇒ P(B/F)=\frac{40}{100}=0.4

To find : Selected consumer is female, given that the person prefers Brand A P(F/A)

Solution : Using Bayes' theorem, which state that

P(A/B)=\frac{P(B/A)P(A)}{P(B)}

where, P(A) and P(B) are probabilities of observing A and B.

P(B/A)= is a conditional probability where event B occur and A is true

P(A/B)= also a conditional probability where event A occur and B is true.

Now, applying Bayes' theorem,

P(F/A)=\frac{P(A/F)P(A)}{P(B)P(B/F)+P(A)P(A/F)}

P(F/A)=\frac{(0.2)(0.3)}{(0.7)(0.4)+(0.3)(0.2)}

P(F/A)=\frac{0.6}{0.28+0.6}

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Therefore, Option D is correct probability that a randomly selected consumer is female, given that the person prefers Brand A -0.67

3 0
4 years ago
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