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vampirchik [111]
3 years ago
7

Dr. Cox just started an experiment. He will collect data for 4 days. How many hours is this

Mathematics
1 answer:
patriot [66]3 years ago
5 0

Answer:

96

Step-by-step explanation:

Ok so how many is in a day?

24 hours! Right!

If you does this for 4 days that's 24 × 4! Which is ..

96!

Unless there are more details its 96!

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The sum of three consecutive odd numbers is 63. What is the smallest of these numbers?
vovangra [49]

x+x+2+x+4=63

3x+6=63

3x=57

x= 19 smallest number



4 0
3 years ago
Read 2 more answers
What happens when you add and subtract like fractions
Cerrena [4.2K]

Answer:hey must have the same denominator (the bottom value). If the denominators are already the same then it is just a matter of either adding or subtracting the numerators (the top value). If the denominators are different then a common denominator needs to be found.

Step-by-step explanation:

5 0
2 years ago
For each expression, write an equivalent expression that only uses addition a. 20 - 9 + 8 -7 b. 4x - 7y - 5z + 6 c. -3x - 8y - 4
Genrish500 [490]

Answer:

a. =11+ 1

b. =4x+ (-7y) + (-5z) +6

c. (-3x) + (-8y) +(-4)+(-8/7z)

Step-by-step explanation:

a. 20 - 9 + 8 -7

=11+ 1  ( this is obtained by solving)

b. 4x - 7y - 5z + 6

=4x+ (-7y) + (-5z) +6

We multiply the negative sign with the positive sign to get a minus so the answer remains the same and the expression is written as an addition sum.

c. -3x - 8y - 4 - 8/7z

-[ 3x+8y+4+8/7z]

or

(-3x) + (-8y) +(-4) +(-8/7z)

The minus sign is taken as common leaving the expression with the plus only.

It can be written in the same manner as above, adding the negative terms so that the expression is written as a sum.

3 0
2 years ago
Marcus played 3 different activities this week after school. The time he spent playing is described below. Swam forof an hour Pl
GuDViN [60]

Answer:

A

Step-by-step explanation:

We can find a common denominator for all of these fractions, compute, and then compare the values to find the right answer.

8 0
3 years ago
The tire of a car has a radius of 10.5 inches. How many rotations does the tire need to make five for the car to travel 3,297 in
yan [13]
It would be 314 because 3297/10.5 = 314
4 0
2 years ago
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