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3 years ago

16.8 divided by (-4)

Mathematics

1 answer:

notsponge [240]3 years ago

8 0

Answer and Step-by-step explanation:

to divide 16.8 by -4, divide each number by -4.

16 divided by -4 is -4.

8 divided by -4 is -2.

So, the answer is -4.2.

To check our answer, we multiply the answer by -4 again.

-4.2

x -4

-16 .8

#teamtrees #PAW (Plant And Water)

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True or false? A theorem is a statement that can be easily proved using a corollary

lukranit [14]

The given statement "A theorem is a statement that can be easily proved using a corollary" is false.

Answer: False

Step-by-step explanation:

A statement that would be proven on the basis of postulates and before proven theorem is called Theorems. "Corollary", a theorem that should come from a previous theorems (part of another statement). Contrary to the definitions, this may be reversible or irreversible if they are presented in the form "if - then."

Example for theorem: The measured angles of a triangle added to 180 degree.

The theoretical aspects of geometry consists of definitions, theorems, and postulates. Basically, these are elements of geometric proof.

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3 years ago

The radius of a right circular cylinder is given by √(t+6) and its height is 1/6√t , where t is time in seconds and the dimensio

denis23 [38]

Answer:

The rate change of volume of the cylinder is $\frac{\pi}{4} ( \sqrt t+\frac2{ \sqrt t})$ cubic inch per second.

Step-by-step explanation:

Given that the radius of right circular cylinder is $\sqrt{(t+6)}$ and its height is $\frac16 \sqrt t$ where t is time in second and the dimension are inches.

$\therefore r = \sqrt{(t+6)}$

The base area of the cylinder is A= $\pi r^2$

$=\pi (\sqrt{t+6})^2$

$= \pi (t+6)$

$\therefore A= \pi(t+6)$

Differentiating with respect to t

$\frac{dA}{dt}=\pi$

$\therefore h=\frac16\sqrt t$

Differentiating with respect to t

$\frac{dh}{dt}=\frac16 \times \frac12(t)^{\frac12-1}$

$\Rightarrow \frac{dh}{dt}=\frac1{12} (t)^{-\frac12}$

The volume of cylinder is V= Ah

∴V= Ah

Differentiating with respect to t

$\frac{dV}{dt}=A\frac{dh}{dt}+h\frac{dA}{dt}$

$=\pi (t+6). \frac1{12}t^{-\frac12} +\frac16\sqrt t . \pi$

$=\pi. \frac1{12}.t^{\frac12}+\pi . 6.\frac1{12} t^{-\frac12} +\pi\frac16 \sqrt t$

$=\frac{\pi}{4} ( \sqrt t+\frac2{ \sqrt t})$

The rate change of volume of the cylinder is $\frac{\pi}{4} ( \sqrt t+\frac2{ \sqrt t})$ cubic inch per second.

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3 years ago

Ali and Mo share a sum of money in the ratio Ali:Mo = 9:7 . Ali recieves $600 more than Mo. Calculate how much each recieves.

Serggg [28]

Answer:

A = 2700 M = 2100 dollars

Step-by-step explanation:

9 + 7 = 16 shares

2 shares more = 600

1 share = 300

9 shares * 300 = 2700

7 shares x 300 = 2100

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2 years ago

When comparing prices for activities at a local recreation center , you notice that the center charges different prices on diffe

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We know that charges vary with the days of the week. E.g. Go-karting costs higher ($10) on Saturday and Sunday compared to on Monday to Friday ($5)

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3 years ago

Read 2 more answers

Working alone, it takes Trevon eight hours

TiliK225 [7]

Answer

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Step-by-step explanation:

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3 years ago