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Svetllana [295]
3 years ago
11

You use the length of your shoe to measure your room. Your shoe is 9.75 inches long. You walk across the room, heel to toe, and

count 17.5 shoe lengths.
About how long is your room in inches?
Mathematics
1 answer:
Crank3 years ago
7 0
I’m asking the same question please help us!!! Thank you
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In the example problem, 0.000000005 = 5 x 109.<br><br> What is the standard form of 10-??
Paha777 [63]

Answer:

5x10^{-9}

Step-by-step explanation:

In this case, the example is missing the negative sign.

This is an example of scientific notation, which is used to reduce a very large number into a short expression like: 0.000000005, which is reduced in the expression 5x10^{-9}.

It's important to say that the negative sing in the exponent, indicates that all zeros that are being reduce, are placed at the right of the number. Also, to apply a correctly scientific notation, the number reduced should be between 0 and 10.

3 0
3 years ago
The current student population of the Brentwood student center is 2000 the enrollment at the center increases at a rate of 4% ea
Sholpan [36]

Answer:

Step-by-step explanation:

Find the 4% of the 2000.

Then, add it to the 2000.

Keep adding the 4% which is 0.8 to the new sum until you get up to the third year and there you go!

Hope this help you!

4 0
3 years ago
Dana walks 3/5 mile in 1/4 hour. What is dana's walking rate in miles per hour?
Flura [38]
Here, our equation is 3/5 (0.6) mile per 1/4 (0.25) hour.  0.25 times 4 = 1, so we have to multiply 1/4 (0.25) 4 times to get 1 mile. To get a proportional answer, we must also multiply 3/5 (0.6) by 4. This comes out to 2.4. So her walking rate is 2.4 miles per hour.


8 0
3 years ago
A bag contains green marbles and red marbles, 36 in total. The number of green marbles is 1 more than 4 times the number of red
tatuchka [14]

Answer:

29

Step-by-step explanation:

Total marble = 36

Let red marbles be X

Then green marble is 4X + 1

And 4X + 1 + X = 36

5X = 36 - 1

5X = 35

X = 35/5 = 7

So, green marbles = 4X + 1

= 4(7) + 1

= 29

6 0
3 years ago
Find the area of a parallelogram with base (b) and height (h)
anyanavicka [17]
Answer is C) 1,095.2 cm2
Formula for area for parallelogram is = b.h
7 0
3 years ago
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