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2 years ago

Is the mix number of 17/3

Mathematics

2 answers:

USPshnik [31]2 years ago

8 0

Its 5 2/3 (ignore aschigdbcciubw)

Licemer1 [7]2 years ago

6 0

This fraction $\frac{17}{3}$ , is not a mixed fraction. $5 \frac{2}{3}$ is a mixed fraction.

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What is the length of segment AB?

8_murik_8 [283]

Answer:

-1

Step-by-step explanation:

then the sum of the line come home x axis

-4+3=-1

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2 years ago

Is 5.78778777... A rational or irrational number

Minchanka [31]

It is irrational because it does not repeat a pattern nor does it stop.

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2 years ago

The sum of fifteen and six times a number t is 81

Over [174]

Well the sum is 15+6=21. then you must do 81-21=60. So your answer must be t=60.

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2 years ago

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A bridge in the shape of an arch connects two cities separated by a river. The two ends of the bridge are located at (–7, –13) a

sdas [7]

Answer:

$y=-\dfrac{13}{49}x^2$

Step-by-step explanation:

The shape of an arch corresponds to a parabola.

the general equation for a parabola is:

$y=ax^2+bx+c$

we're given three coordinates: (-7,-13),(7,-13) and (0,0)

so we can plug these values in the general equation to make 3 separate equations:

(x,y) = (-7,-13)

$-13=a(-7)^2+b(-7)+c$

$49a-7b+c=-13$

(x,y) = (7,-13)

$-13=a(7)^2+b(7)+c$

$49a+7b+c=-13$

(x,y) = (0,0)

$0=a(0)^2+b(7)+c$

$c=0$

so we have three equations. and we can solve them simultaneously to find the values of a,b, and c.

we've already found c = 0, let's use substitute it to other equations.

$49a-7b+c=-13\quad\Rightarrow\quad49a-7b=-13$

$49a+7b+c=-13\quad\Rightarrow\quad49a+7b=-13$

we can solve these two equation using the elimination method, by simply adding the two equations

$\quad\quad49a-7b=-13\\+\quad49a+7b=-13$

------------------------------

$\quad\quad 98a=-26$

$\quad\quad a=-\dfrac{13}{49}$

Now we can plug this value of a in any of the two equations.

$49a-7b=-13$

$49\left(-\dfrac{13}{49}\right)-7b=-13$

$-13-7b=-13$

$-7b=0$

$b=0$

We have the values of a,b, and c. We can plug them in the general equation to find the equation of the arch.

$y=\left(-\dfrac{13}{49}\right)x^2+0x+0$

$y=-\dfrac{13}{49}x^2$

$49y=-13x^2$

This our equation of the arch!

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2 years ago

(-3+x) divided by 2= negative one half

Arlecino [84]

Answer:

are u trying to find x?

Step-by-step explanation:

7 0

2 years ago

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