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Tju [1.3M]
3 years ago
8

Can someone Help!!!!!! Please!!!!!!

Mathematics
1 answer:
Kisachek [45]3 years ago
8 0

Answer:

You could use a piece wise function to simulate the speed someone is running at a given time in minutes.

for 0\leq t < 15      s = 9 mph

for 15\leq t< 25     s = 0 mph

for 25\leq t\leq 40      s = 6 mph

Step-by-step explanation:

I can't do graphs right now but there's an idea

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The number of males in the classroom is three more than twice the number of females. Of the total number of students is 57, how
dolphi86 [110]

Answer:

Step-by-step explanation:

Given that the number of males in the classroom is three more than twice the number of females.

the total number of students is 57

Let x be the no of males then no of females = 57-x

Also we have 3 more than twice no of females as

2(57-x)+3

This equals x

2(57-x)+3=x\\114-2x+3=x\\3x=117\\x=39

No of males = 39, no of females = 18

6 0
3 years ago
2(4x-3)&gt;-3(3x)+5x help
Roman55 [17]

Answer:

x>1/2

Step-by-step explanation:

2(4x-3)>-3(3x)+5x

Expand the brackets.

8x-6>-9x+5x

Add -9x and 5x

8x-6>-4x

Add 4x and 6x on both sides.

8x+4x>6

Add the like terms.

12x>6

Divide 12 into both sides.

12x/12>6/12

x>1/2

3 0
3 years ago
Read 2 more answers
Which is a perfect square? <br>A 20 <br>B 21 <br>C 24<br>D 25​
LenaWriter [7]
25

Square root of 25 is 5
8 0
3 years ago
The annual expenditure of the US federal government is approximately 4 44 trillion dollars. If a one dollar bill is 0 . 0 0 0 1
kaheart [24]

Answer:

<em>A stack of 4 trillion one dollar bills will be  4\times 10^8 meters.</em>

Step-by-step explanation:

The annual expenditure of the US federal government is approximately 4 trillion dollars.

We know,  1 trillion dollars = 10¹² dollars.

So,  4 trillion dollars =(4\times 10^1^2) dollars.

Each one dollar bill is 0.0001 meters thick.

So, the total height of the stack of 4 trillion one dollar bills will be.....

[0.0001\times(4\times 10^1^2)]meters\\ \\ =[10^-^4\times(4\times 10^1^2)]meters\\ \\ =(4\times 10^8) meters


6 0
3 years ago
I need help with this assignment.
Gelneren [198K]
2. Definition of supplementary angles
I’m not too good with proofs but hopefully at least one answer helped lol sorry
8 0
3 years ago
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