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laila [671]
3 years ago
12

A student skipped a step when she tried to convert 15 hours to seconds,and she got the following incorrect result ?

Mathematics
2 answers:
zheka24 [161]3 years ago
8 0

Answer:

60mins/1 hour

Step-by-step explanation:

Gelneren [198K]3 years ago
3 0
She did not convert 1 minute into 60 seconds. and 15 hours in seconds.
she did it like this:
15min ×60 seconds/1 min
900 seconds.
The SI unit of time is second so she should have converted the hours and minutes into seconds first and then start the calculation.
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An apartment building contains 100 units.The one-bedroom units rent for $495 per month and the two bedroom units rent for $600 p
aliya0001 [1]
We have two equations

One to for the total number of units, to distinct them from 1 bedroom units or 2 bedroom units

x- one bedroom units
y- two bedroom units

x+y= 100

495x+600y= 55,275


We can try to plug in these values for y since it’s asks “how many two bedroom apartments are there” and see if it works out

495x+600(45)= 55,275

495x+27000=55275
-27000 -27000

495x= 28275
/495 /495

x=57.12

There can’t be 57.12 units so A is wrong

495x+600(55)= 55,275

495x+ 33000= 55275
-33000 -33000
495x =22275
/495 /495

x=45
This could work so B is the answer , you could go ahead and try C and B but most likely the answer is B



7 0
3 years ago
Find the slope!! Please
yanalaym [24]

Answer:

The slope is -(1/3)

Step-by-step explanation:

For every 3rd step, the y-value decreases by 1 and the line intersects the y-axis in (0,1).

This observation yields the following equation for your line:

f(x) = y = -(1/3)x + 1

Therefore, the slope is -(1/3).

7 0
3 years ago
Chad needed to buy a new part for his bicycle, and thought that the parts were sold in metric units. When he arrived at the stor
svp [43]

Answer:

<h2>9.1 inches</h2>

Step-by-step explanation:

1cm = 0.3937007874 inches.

As there are 2.54cm in an inch, to convert your cm figure to inches you need to divide your figure by 2.54.

9.05512 -> 9.1 inches

5 0
3 years ago
Today, we use algebraic tools such as writing and solving equations, systems of equations, inequalities, and systems of inequali
alexgriva [62]

Answer:

We may be considering a purchase—for example, trying to decide whether it's cheaper to buy an item online where you pay shipping or at the store where you do not. Or you may wish to join a CD music club, but aren't sure if you would really save any money by buying a new CD every month in that way. Or you might be considering two different phone contracts.

Step-by-step explanation:

i entered this into my online hw and my teacher gave me a 100.

4 0
3 years ago
Given f(x)=3x+4. Determine the value of x if f(x)=21 to the nearest tenth.
ella [17]

Answer:

5.7

Step-by-step explanation:

3x+4 = 21

3x = 17

x = 5.666667 = 5.7

6 0
3 years ago
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