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3 years ago

Similarly please help

Mathematics

1 answer:

SIZIF [17.4K]3 years ago

8 0

The area of triangle is base times height over two..so its hb/2.
-The base is OD so its OM +MD=4+10=14.
- the height is UM. You bring UM ( actually i forgot how to) then u do the math height x base all over 2

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Can someone please explain what I have to do

Pepsi [2]

Answer:

16.7 cm

Step-by-step explanation:

Area of a triangle = ½*base*height

Area of the shaded region = area of triangle = 100.2 cm³

base = w

height = 12 cm

Plug in the value into the equation:

½*w*12 = 100.2

6w = 100.2

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3 years ago

A radioactive substance decays at a rate of 25% every 10 years. Which equation represents the amount of the substance (S) remain

Lelechka [254]

Answer:

$y = 100 * (0.75)^{30$

Step-by-step explanation:

Given

$a =100$ --- Initial Amount

$r= 25\%$ every 10 years

Required

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To do this, we make use of:

$y = a(1 - r)^T$

Where

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T = the period of decay

In 300 years, there are 30 periods of 10 years.

i.e.

$T = \frac{300}{10}$

$T = 30$

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Answer:

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Read 2 more answers

the cost of an annual tuition at a university increased from 10,500 to 11,300 what is the percent increase in tuition to the nea

Maurinko [17]

Percent increase
find increase first
10500 to 11300
11300-10500=800
so
percent increase
change/original
origianal=10500
change=800
800/10500=8/105=0.0761
percent means parts out of 100
0.0761/1 times 100/100=7.61/100=7.61%

rond 7.61% to tenth or to 7.6%

7.6%

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3 years ago

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r-ruslan [8.4K]

Answer:

see below

Step-by-step explanation:

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The line for x > 2 is the horizontal line x=2.

The point at x=2 is not defined by the function you have posted here, so there is a "hole" in the graph at that point.

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3 years ago