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2 years ago

Fifty- five percent of the students at west side middle school walk to school. What fraction of the students walk to school

Mathematics

1 answer:

wel2 years ago

7 0

Answer:

55/100 is equivalent to 55% but the fraction in lower terms or simplified is 11/20 hope i helped!

Step-by-step explanation:

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Use the substitution method to solve the system of equations. Choose the correct ordered pair. 2x + y = 10 y = x – 5 A. (5, 0) B

erica [24]

It would be A.) (5,0)

8 0

3 years ago

Read 2 more answers

In a parenting magazine, Mrs. Smith read an advertisement about all the different ways that bleach can be used to kill bacteria.

babymother [125]

Question:

(a) How many bacteria would be found in 24 hours

(b) How many bacteria would be found in 2 days

Answer:

(a) 282429536481 bacteria

(b) $7.97*10^{22$ bacteria

Step-by-step explanation:

The question illustrates an exponential function

$y = ab^x$

Where

$a = Initial\ Value = 1$

$b=Rate = 3$ --- i.e. triples

$x = number\ of\ hours$

Solving (a): Bacteria in 24 hours

In this case:

$x = 24$

Substitute $x = 24$ , $b = 3$ and $a = 1$

So:

$y = ab^x$

$y = 1 * 3^{24$

$y = 1 * 282429536481$

$y = 282429536481$ bacteria

Solving (b): Bacteria in 2 days

$2\ days =48\ hours$

So:

$x = 48$

Substitute $x = 48$ , $b = 3$ and $a = 1$

So:

$y = ab^x$

$y = 1 * 3^{48$

$y =7.97*10^{22$ bacteria

Solving (c): How long for 1000 bacteria

In this case:

$y = 1000$

Substitute $y = 1000$ , $b = 3$ and $a = 1$

So:

$y = ab^x$

$1000 = 1 *3^x$

$1000 = 3^x$

Take Log of both sides

$Log1000 = Log3^x$

This gives:

$Log1000 = xLog3$

Make x the subject

$x = \frac{Log1000}{Log3}$

$x \approx 6$

<em>Hence: It takes 6 days</em>

8 0

3 years ago

Pls help i really need it!!!!!<br><br> i dont understand how to do it

xz_007 [3.2K]

Just remember that 1 mile is equal to 5,280 feet.

If we have 5 miles, we need to multiply it my 5,280 which would equal 26,400.

Then we have the other 529 feet that they gave. Just add 26,400ft and 529ft and they will equal 26,929 ft.

Hope it helped! Remember, five tomatoes! (five two eight oh(0)).

6 0

2 years ago

64 in 8 as a unit rate

kykrilka [37]

64/8 => 64/8 = x/1 => 8/1 => 8.

6 0

3 years ago

The 7th grade class is putting on a variety show to raise money. It cost $700 to rent the banquet hall that they are going to us

scoundrel [369]

Answer:

At least 20 people

Step-by-step explanation:

Ⓗⓘ ⓣⓗⓔⓡⓔ

Well, the equation is 700+15x=1000

700+15x=1000

15x=300

x=20

(っ◔◡◔)っ ♥ Hope this helped! Have a great day! :) ♥

Please, please give brainliest, it would be greatly appreciated, I only a few more before I advance, thanks!

5 0

3 years ago