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2 years ago

Luis is going to an amusement park. The price of admission into the park is $20, and

Mathematics

2 answers:

liubo4ka [24]2 years ago

7 0

Answer:

44$

Step-by-step explanation:

20 + ( 4 x 6 ) = 44 4x6=24 24+20= 44

timurjin [86]2 years ago

3 0

Answer:

The cost he will pay for 10 rides will be $70 and for r rides will be .

Step-by-step explanation:

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Solve 2x^3+7x^2-2x-1=o

Mashcka [7]

Answer:

$x=\sqrt{3}-2\\x=-\sqrt{3}-2\\x=\frac{1}{2}$

Step-by-step explanation:

This is a hard one

We have to use the rational root theorem

$2x^3+7x^2-2x-1$ = 0

We have to find all the factors of a and d and put them in a fraction

$a=2\\d=-1\\\frac{1}{1,2}$

We then plug them into the equation to see if any of them work

The equation isn't true when plugging 1, but is true when plugging in 1/2

factored form of 1/2 is (2x-1)

Then we divide the original equation by (2x-1) (you can use synthetic division or long division, it would be hard to type out the process for that) to get $x^2+4x+1$

So now the equation is $(2x-1)(x^2+4x+1)$

Solve the second half of this equation using the quadratic formula to get

$\sqrt{3}-2$ and $-\sqrt{3}-2$

We already know the solution for the first half of the equation (1/2)

So the final answers are:

$x=\sqrt{3}-2, -\sqrt{3}-2, \frac{1}{2}$

8 0

3 years ago

B+11/3=-2 what number does b represent

gtnhenbr [62]

B+ 11/3= -2
⇒ b= -2 -11/3
⇒ b= -6/3 -11/3
⇒ b= -17/3
⇒ b= -5 2/3

Final answer: b= -5 2/3~

7 0

3 years ago

Find the inverse of the equation

zimovet [89]

The inverse of $f(x)= \frac{6x+5}{3x-1}$ is $f(-1)= \frac{-x-5}{3(2-x)}$ I hope I helped

3 0

3 years ago

Dolbear's law states the relationship between the rate at which Snowy Tree Crickets chirp and the air temperature of their envir

Shtirlitz [24]

For this case, the first thing we are going to do is rewrite the equation correctly.
We have then:
T = 50 + (N-40) / 4
We substitute the value of N = 98, we have then:
T = 50 + (98-40) / 4
T = 64.5 degrees Fahrenheit.
Answer:
the temperature in degrees Fahrenheit, T is:
T = 64.5 degrees Fahrenheit.

5 0

3 years ago

Is a triangle with sides that measure 6inches,8inches and 9inches a right triangle

AveGali [126]

No, because, using the Pythagorean Theorum:

6^2+8^2=9^2
36+64 IS NOT = TO 81

3 0

3 years ago

Read 2 more answers