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3 years ago

Actually help pls people have been typing random stuff

Mathematics

2 answers:

Sindrei [870]3 years ago

8 0

Read, chores, hw (last option)

agasfer [191]3 years ago

3 0

Answer:

reading, chores, and then homework

Step-by-step explanation:

just accept it

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In February, Alec had 1,571 visitors to his website. In March, he had 1,380 visitors to his website. What is the percentage decr

Yakvenalex [24]

A. 12.2%

Steps:
1) 1380-1571= -191
2) -191/1571= -0.12
3) -0.12(100) = 12.15 = 12.2%

3 0

4 years ago

A motorboat takes five hours to travel two hundred miles going upstream. The return trip takes four hours going down stream. Wha

Yuri [45]

Answer: $45\ mph$ , $5\ mph$

Step-by-step explanation:

Given

A motorboat takes 5 hours to travel 200 miles upstream and 4 hours to go downstream

Suppose the speed of motorboat in still water and rate of current be x and y respectively.

during upstream

$\Rightarrow 5=\dfrac{200}{x-y}\\\\\Rightarrow x-y=40\quad \ldots(i)$

During downstream

$\Rightarrow 4=\dfrac{200}{x+y}\\\\\Rightarrow x+y=50\quad \ldots(ii)$

Add (i) and (ii) we get

$\Rightarrow 2x=90\\\Rightarrow x=45\ mph$

$\therefore y=5\ mph$

Thus, the speed of boat in still water is $45\ mph$ and rate of current is $5\ mph$

8 0

3 years ago

Hello!! I Need HElp ASAP PLEAASSEE

MatroZZZ [7]

Answer:

a = -1

Step-by-step explanation:

The line of symmetry for the parabola given by ...

y = ax² +bx +c

x = -b/(2a)

Using the given values, we have ...

-2 = -(-4)/(2a)

Multiplying by -a/2, we get ...

a = (4/2)(-1/2) = -1

The value of "a" is -1.

8 0

3 years ago

Here is a list of numbers: <br> 2.7, 3.3, 1, 9.2, 6.1, 5.2, 3.3, 8.1, 3.6 <br> State the median.

marysya [2.9K]

Answer: wooh I had to get scratch work for this answer- 3.6

Step-by-step explanation:

List all of the numbers in order, then find the number(s) exactly in the middle of the list.

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3 years ago

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faust18 [17]

Answer:

11/15

Step-by-step explanation:

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3 years ago