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3 years ago

Which point represents the value of –(–2) on the number line?

Mathematics

2 answers:

Komok [63]3 years ago

8 0

Answer:

yo where is it

Step-by-step explanation:

Nikolay [14]3 years ago

4 0

What number line???

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If a cube has side lengths of 8 centimeters, what is the volume of the cube?

pav-90 [236]

512cm
hope this helps

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4 years ago

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What is the diameter of a sphere which volume is 500/3 pi cm^3

VARVARA [1.3K]

Radius is 5, diameter is 10

because 4/3 x 5^3 pi = 500/3 pi cm^3

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3 years ago

The integers -5 and 5 are called?

Ierofanga [76]

Additive Inverse. -5 and 5 are opposites.

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3 years ago

Geometry Question attached below

Soloha48 [4]

I'm sure there's an easier way to do this, but this method does work:

First, AB = CD = CG + GF + FD, so FG = 2.

By the Pythagorean theorem, in triangle AFD we get

$1^2+3^2=A F^2\implies A F=\sqrt{10}$

and in triangle BCG,

$2^2+3^2=BG^2\implies BG=\sqrt{13}$

Angles AFD and EFG form a vertical pair, so they are congruent and have measure

$m\angle EFG=\tan^{-1}3$

Similarly, angles BGC and FGE are congruent and have measure

$m\angle FGE=\tan^{-1}\dfrac32$

Then the remaining angle in triangle EFG has measure

$m\angle FEG=\pi-\tan^{-1}3-\tan^{-1}\dfrac32$

We can solve for the lengths of FE and GE exactly by applying the law of sines:

$\dfrac{\sin\left(\pi-\tan^{-1}3-\tan^{-1}\frac 32\right)}2=\dfrac{\sin\left(\tan^{-1}3\right)}{GE}=\dfrac{\sin\left(\tan^{-1}\frac32\right)}{FE}$

$\implies GE=\dfrac{2\sqrt{13}}3,FE=\dfrac{2\sqrt{10}}3$

Let $s$ be the semiperimeter of triangle ABE, so that

$s=\dfrac{AB+BE+EA}2$

Then according to Heron's formula, the area of triangle ABE is

$\sqrt{s(s-AB)(s-BE)(s-EA)}=\dfrac{25}2$

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4 years ago

A customer’s entire breakfast bill is

Irina18 [472]

Answer:

GDFGFDGFDGD

Step-by-step explanation:

YRUTUYTHDFGFD

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3 years ago