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Nadusha1986 [10]
3 years ago
5

Helppppp pleaseeere hurry

Mathematics
1 answer:
Basile [38]3 years ago
7 0

Answer:

Step-by-step explanation:

it is D=R/2T

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Im pretty sure its A, but dont count on me!!! i hope it helps :/
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4 years ago
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Please someone help with this
Sholpan [36]
A=16 and b=63

So we have to use the Pythagoras theorem for this and that is:
a^2+ b^2 = c^2

And we want to find c , which is the long side of the triangle so..

16^2+ 63^2= 4225
So c^2 =4225

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4 years ago
if the length of a rectangle is increased by 30 percentage and the width of the same rectangle is decreased by 30 what is the af
LUCKY_DIMON [66]

Answer:

The area will decrease by 9%.

Step-by-step explanation:

The area of a rectange is given by the formula below.

\boxed{\text{Area of rectangle}= \text{length}×\text{width}}

Let the original length and width of the rectangle be L and W respectively.

Start by finding the original area:

<u>Original </u><u>dimensions</u>

Length= L= 100%L

Width= W= 100%W

Original area= LW

Let's find the dimensions of the new rectangle in terms of L and W.

<u>New dimensions </u>

Length= (100% +30%)L= 130%L

Width= (100%-30%)W= 70%W

New area

=  \frac{130}{100} L  \times \frac{70}{100} W

=  \frac{91}{100} LW

= 91% LW

Comparing the new area with the original area:

100% LW- 91% LW= 9% LW

∴ The area will decrease by 9%.

*Note that percentage is equivalent to dividing a number by 100.

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2 years ago
39-42 Differentiate <img src="https://tex.z-dn.net/?f=f" id="TexFormula1" title="f" alt="f" align="absmiddle" class="latex-formu
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\text{Given that,}\\\\f(x) = \ln (x^2 - 2x)\\\\f'(x) = \dfrac  1{x^2 -2x} \cdot (2x - 2) = \dfrac{2(x-1)}{x(x-2)}\\\\\\\text{domain f(x): }   \{x| x < 0, x > 2 \}

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Three pounds of rice is divided equally and put into bags. If each bag gets half a pound of rice, how many bags are there?
Gelneren [198K]

So, there is three pounds. Each bag gets a half pound. Two half pounds = one full pound. One full pound is two bags. Another pound is another two bags. And same with another. So that'd be <u><em>6 bags</em></u>, one half pound each.

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2 years ago
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