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3 years ago

What is the value of 6 3/4(-11)?

Mathematics

2 answers:

yuradex [85]3 years ago

3 0

-74.25 or -72 1/4 (if ur multiplying by -11, if u subtracting -11 then it would be -4 1/4

Vedmedyk [2.9K]3 years ago

3 0

Answer:

$=-\frac{99elsov}{2}$

Step-by-step explanation:

$\mathrm{Compute\:an\:expression\:comprised\:of\:factors\:that\:appear\:either\:in\:}solve\mathrm{\:or\:}6\frac{3}{4}\left(-11\right)$

$=-\frac{99elsov}{2}$

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mylen [45]

Answer:

B) Yes

Step-by-step explanation:

Find the least common multiple (LCM) of the denominators in order to find the least common denominator (LCD).

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2 years ago

What would be the division problem for this

daser333 [38]

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3 years ago

Find the equation of the line. Use exact numbers <br><br> Y= __ x+ __

nika2105 [10]

Answer:

y = 3/4x -2

Step-by-step explanation:

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3 years ago

If two polygons are similar, they are congruent.<br> Always true sometimes true or never true?

charle [14.2K]

Answer:

It is true.

Step-by-step explanation:

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5 0

3 years ago

Find the value of x² - x+1 when x=√3 -1, in the form a+b√3 where a and b are integers

lidiya [134]

Answer:

$6-3\sqrt{3}$

If you compare this to $a+b\sqrt{3}$ , then $a=6$ and $b=-3$ .

Step-by-step explanation:

We are given $x=\sqrt{3}-1$ and we are asked to find the value of $x^2-x+1$ .

So we will need to find $x^2$ .

$x=\sqrt{3}-1$

Square both sides:

$x^2=(\sqrt{3}-1)^2$

Expand using identity: $(x-a)^2=x^2-2ax+a^2$ .

$x^2=(\sqrt{3})^2-2(\sqrt{3})(1)+1^2$

$x^2=3-2\sqrt{3}+1$

$x^2=4-2\sqrt{3}$

Let's go back to the full $x^2-x+1$ .

$x^2-x+1$

$(4-2\sqrt{3})-(\sqrt{3}-1)+1$

$4-2\sqrt{3}-\sqrt{3}+1+1$

$6-3\sqrt{3}$

If you compare this to $a+b\sqrt{3}$ , then $a=6$ and $b=-3$ .

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3 years ago