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2 years ago

24. Write 2 rational numbers between--and44

Mathematics

1 answer:

Len [333]2 years ago

6 0

Answer:

5 and 6 are rational numbers between 4 and 44

Step-by-step explanation:

The formatting is a little weird, so I'm not sure if your asking for 2 numbers between 4 and 44, or 4 and 4

*if it is 4 and 4 then clearly it's a trick question!

I'm going to assume the first option, because the second option is impossible

5 and 6 are rational numbers between 4 and 44

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A convex polygon has 3 sides. What is the sum of the measure of its interior angles?

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Answer:

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3 years ago

Solve x2 - 8x - 9 = 0. Rewrite the equation so that it is of the form x2 + bx = c.

barxatty [35]

Answer:

x=9,-1 and $x^2+(-8)x=9$

Explanation:

we have been given with the quadratic equation $x^2-8x-9$

we compare the given quadratic equation with general quadratic equation

general quadratic is $ax^2+bx+c=0$

from given quadratic equation a=1,b= -8,c= -9

substituting these values in the formula for discriminant $D=b^{2}-4ac$

$D=(-8)^2-4(1)(-9)=100$

Now, to find the value of x

Formula is $x=\frac{-b\pm\sqrt{D}}{2a}$

Now, substituting the values we will get

$x=\frac{-(-8)\pm\sqrt{100}} {2}= \frac{8\pm10}{2}=9,-1$

And rewritting the given equation by shifting 9 to right hand side of the given equation and taking minus inside the bracket so as to convert it in the form of

$x^2+bx=c$

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3 years ago

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1.-si el area de un rectangulo es de 144 metros cuadrados y su altura de 8 metros ¿ cual es el valor de su base?

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Step-by-step explanation:

FÓRMULA:

$144 m^{2}$ = b(8 m)

SE DESPEJA

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Step-by-step explanation:

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How many times does the graph of 4x = 32 - x2 cross the x-axis? 0 1 2

Yakvenalex [24]

Answer:

Step-by-step explanation:

4x = 32 - x2 would be much clearer if written as 4x = 32 - x^2. Please use

" ^ " to indicate exponentiation.

Rewrite 4x = 32 - x^2 in the standard form of a quadratic: x^2 + 4x - 32

Then the coefficients are a = 1, b = 4 and c = -32.

Find the discriminant. It is b^2-4ac.

Here, b^2-4ac = 4^2 - 4(1)(-32), or 16 + 128, or 144.

Because the discriminant is positive, we know immediately that this quadratic has two real, unequal roots.

So, the answer to this question is "the graph of 4x = 32 - x^2 cross the x-axis in two places."

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3 years ago

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24. Write 2 rational numbers between--and44​

24. Write 2 rational numbers between--and44