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nordsb [41]
3 years ago
11

Solve the problem by making up an equation. A child is 12 years old, and his father is 32 years older. In how many years will th

e age of the father be 3 times the age of the child?
If in x years the age of father will be 3 times the age of child, the equation for this problem will be:

Mathematics
1 answer:
Gelneren [198K]3 years ago
4 0

Answer:

answer in image below

Step-by-step explanation:

hope this helps

give me brainly please

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ANSWER ASAP PLEASE & SHOW UR WORK!!!
Lina20 [59]

Answer:

x_1=\mathbf{i}\sqrt{6},\ x_2=-\mathbf{i}\sqrt{6},\ x_3=\sqrt{3},\ x_4=-\sqrt{3}

Step-by-step explanation:

<u>Biquadratic Equations</u>

Solve:

x^4 + 3x^2 - 18 = 0

The biquadratic equations are equations of degree 4 without the terms of degree 1 and 3.

Solving such equations requires to express the equation as a second-degree equation with x^2 as the variable.

Rewriting the equation:

(x^2)^2 + 3(x^2) - 18 = 0

The quadratic equation can be factored as:

(x^2+6)(x^2-3)=0

It leads to two equations:

x^2+6=0

x^2-3=0

The first equation has imaginary roots. Solving for x:

x^2=-6

x=\pm\sqrt{-6}

x_1=\mathbf{i}\sqrt{6}

x_2=-\mathbf{i}\sqrt{6}

Where

\mathbf{i}=\sqrt{-1}

The second equation has two real roots:

x^2-3=0

x^2=3

x=\pm\sqrt{3}

x_3=\sqrt{3}

x_4=-\sqrt{3}

The roots are:

\mathbf{x_1=\mathbf{i}\sqrt{6},\ x_2=-\mathbf{i}\sqrt{6},\ x_3=\sqrt{3},\ x_4=-\sqrt{3}}

3 0
3 years ago
A ramp into a building forms an 8° angle with the ground. If the entry point of the ramp is 7 feet from the building, how many f
frosja888 [35]

Answer: The correct answer is A) 0.98 feet

Step-by-step explanation: I took the test and got it correct.

8 0
4 years ago
Help ME PLSS WHOEVER ANSWERS FIRST WILL GET A BRAINLIEST!!!!
ch4aika [34]

Answer:

6.25 or 6 1/4

Step-by-step explanation:

6 0
3 years ago
How many real number solutions are there to the equation 0=-3x^2 + x -4
natta225 [31]
We have that
<span>the equation
y=-3x</span>²<span> + x -4
the </span><span>real number solutions are the points x intercept of the graph
are the points when y=0

using a graph tool
see the attached figure

</span><span>the graph has no point of intersection with the x axis
</span>therefore

the answer is
there are zero real numbers solutions

8 0
3 years ago
Tom wants to order tickets online so that he and three of his friends can go together to a water park. The cost of the tickets i
iVinArrow [24]

Answer:

Expression is:16n+2.50

For buying 4 tickets: 66.50

Step-by-step explanation:

You first have to set up the equation and each ticket cost 16 and you have to buy sixteen that is why it is 16n and then you have to pay 2.50 because you are buying online. Then you put four in for N because you are getting 4 tickets. Finally multiply 16 and 4 then add 2.50.


7 0
3 years ago
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