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3 years ago

Simplify 2√10 * 3√12 Please don’t guess I beg u

Mathematics

1 answer:

Monica [59]3 years ago

4 0

Answer:

$\large\boxed{2\sqrt{10}\cdot3\sqrt{12}=12\sqrt{30}}$

Step-by-step explanation:

$2\sqrt{10}\cdot3\sqrt{12}=(2\cdot3)\sqrt{10\cdot12}=6\sqrt{120}=6\sqrt{4\cdot30}=6\cdot\sqrt4\cdot\sqrt{30}\\\\=6\cdot2\cdot\sqrt{30}=12\sqrt{30}\\\\\text{used}\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b}$

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Point E is the midpoint of ab and point f is the midpoint of CD

Lorico [155]

AB is bisected by CD (TRUE). This is True because E is the midpoint between A and B and CD passes through E

CD is bisected by AB (FALSE) CD is bisected by point F and not AB

AE = 1/2 * AB (TRUE) since E is the midpoint of AB , E divides AB into two equal halves

EF = 1/2 * ED (FALSE) The true statement would have been CF = 1/2* CD

FD = EB (FALSE) sinc we do not know if CD and AB are of the same lengths

CE + EF = ED (TRUE) since F is the midpoint the sum of CE and EF is equal to ED

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3 years ago

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Which equation can be used to find the two numbers whose ratio is 3 to 2 and that have a sum of 35

dusya [7]

Idk like 3+2 _=5
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3 years ago

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Enter your answer and show all the steps that you use to solve this problem in the space provided. Find the values of x and y.

satela [25.4K]

Answer : The value of x and y is, $90^o$ and $43^oC$

Step-by-step explanation :

First we have to calculate the angle B.

As we know that,

The given triangle is an isosceles triangle in which the angles opposite to equal sides are always equal.

Thus, $\angle B=\angle C$

Given : $\angle C=47^o$

$\angle B=\angle C=47^o$

$\angle B=47^o$

Now have to calculate the angle A.

As we know that the sum of interior angles of a triangle is equal to $180^o$ .

$\angle A+\angle B+\angle C=180^o$

$\angle A+47^o+47^o=180^o$

$\angle A+94^o=180^o$

$\angle A=180^o-94^o$

$\angle A=86^o$

Now we have to determine the angle y.

As we know that, line AD is an angle bisector. That means, it divides into two equal angles. So,

$\angle y=\frac{\angle A}{2}$

$\angle y=\frac{86^o}{2}$

$\angle y=43^o$

Now we have to determine the angle x.

As we know that the sum of interior angles of a triangle is equal to $180^o$ .

$\angle y+\angle B+\angle x=180^o$

$43^oc+47^o+\angle x=180^o$

$\angle x+90^o=180^o$

$\angle x=180^o-90^o$

$\angle x=90^o$

Thus, the value of x and y is, $90^o$ and $43^oC$

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3 years ago

Rationalize the expression. Write it in simplest form.<br><br> 9x/√-2x-11

GenaCL600 [577]

This appears to be just an expression we are simplifying, not an equation we are solving. I THINK you are saying that the expression looks like this:
$\frac{9x}{ \sqrt{-2x-11} }$
If you rationalize the denominator, you would get this expression:
$\frac{9x}{ \sqrt{-2x-11} } * \frac{ \sqrt{-2x-11} }{ \sqrt{-2x-11} }$
which, after simplifying, looks like this:
$\frac{9x \sqrt{-2x-11} }{-2x-11}$
and that's as simple as I can see that one getting. You can't factor anything out of the denominator to cancel with the numerator, so I think you're as simple as you can get there!

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3 years ago

Can someone plsss help mee :(

Brums [2.3K]

Answer:I think it is 89

Step-by-step explanation:

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2 years ago