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Lerok [7]
4 years ago
8

Please help me please

Mathematics
1 answer:
Lady_Fox [76]4 years ago
6 0

we are given

sum of three consecutive numbers are 303

Let's assume

first term is a-d

second term is a

third term is a+d

now, we can add them

a-d+a+a+d=303

3a=303

a=101

so, middle term is 101

so, largest term will be greater than middle term

so, largest term must be greater than 101

so, option-A........Answer

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alisha [4.7K]

Answer:

It will take 5 hours until it reaches its maximum concentration.

Step-by-step explanation:

The maximum concentration will happen in t hours. t is found when

C'(t) = 0

In this problem

C(t) = \frac{100t}{t^{2} + 25}

Applying the quotient derivative formula

C'(t) = \frac{(100t)'(t^{2} + 25) - (t^{2} + 25)'(100t)}{(t^{2} + 25)^{2}}

C'(t) = \frac{100t^{2} + 2500 - 200t^{2}}{(t^{2} + 25)^{2}}

C'(t) = \frac{-100t^{2} + 2500}{(t^{2} + 25)^{2}}

A fraction is equal to zero when the numerator is 0. So

-100t^{2} + 2500 = 0

100t^{2} = 2500

t^{2} = 25

t = \pm \sqrt{25}

t = \pm 5

We use only positive value.

It will take 5 hours until it reaches its maximum concentration.

4 0
3 years ago
In 2001 Arnold was x years old. Ken is 34 years younger than Arnold. In 2013 Arnold is three times as old as Ken. Write down an
zysi [14]

Answer:

x = 54

Step-by-step explanation:

x/3 = x-36

x= 3x-36.3

2x= 36.3

x = 18.3

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5 0
2 years ago
Read 2 more answers
Whatas the answer to 12.6+4m=9.6+8m
SVEN [57.7K]

Answer:

\large\boxed{m=\dfrac{3}{4}=0.75}

Step-by-step explanation:

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6 0
3 years ago
12.
scoundrel [369]

Answer:

6

chaperones will be needed.

Step-by-step explanation:

1 to 25 students require (at least) 2 chaperones.

26 to 50 students require (at least) 4 chaperones.

51 to 75 students require (at least) 6 chaperones.

This is an example of use of the ceiling function.

The ceiling of a value  

x

(sometimes written as  

⌈

x

⌉

) is defined as the smallest integer greater than or equal to  

x

.

In the given example we are asked for

XXX

2

×

⌈

53

25

⌉

XXXXXXXXX

which is  

6

5 0
3 years ago
The parallelogram has an area of 20 square inches. What are the dimensions of the parallelogram, to the nearest hundredth of an
Alik [6]

Answer:

A

Step-by-step explanation:

Since x is along the entire parallelogram we will use cosine to figure out it's length.

First we do cos(40) and get cos(40)=.7660

This .7660 is equal to \frac{Adjacent}{Hypotenuse}  or \frac{x}{4}

So we do .7660*4 and get 3.064 in for x

A is the only option with x=3.06 so it is the correct answer

8 0
3 years ago
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