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Svetlanka [38]
3 years ago
9

Why is the ruler placement postulate important?

Mathematics
2 answers:
Oksanka [162]3 years ago
3 0

Answer:

ruler placement postulate is important to define relative positioning between points.

Although both A & C are possible, we don't consider a line to have an "origin". A distance can have an origin, so the answer must be A.

k0ka [10]3 years ago
3 0
Answer is A. a distance
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In mrs.carters class there are 2.5 children. 14 of them were girls. what percent of the children in mr.carters class are girls
NeX [460]
Its impossible for there to be 2.5 children so im assuming you meant 25.
therefore
25= 100%
100/14=  7.1
7.1% of Mr. carters class were girls 
6 0
3 years ago
The length of an object is measured as 45.8 centimeters. What is this measurement in scientific notation?
inna [77]

Answer:

4.58 * 10 cms.

Step-by-step explanation:

The general form for scientific notation is

N * 10^n      (where 1 ≤ N < 10 and n = an integer).

45.8 = 4.58 * 10^1  or 4.58 * 10.

6 0
3 years ago
About how many times larger than the diameter of a red blood cell is the diameter of a grain of sand? Write your answer using a
Alchen [17]

Answer:

0.29\cdot10^3

Step-by-step explanation:

Red blood cell: 8.4\cdot 10^{-6}

Grain of sand: 2.4\cdot 10^{-3}

The "how many times larger" part can be figured out by forming a ratio between the two diameters above:

\frac{2.4\cdot 10^{-3}}{8.4\cdot 10^{-6}} = \frac{2.4}{8.4}\cdot\frac{10^{-3}}{10^{-6}}\approx 0.29\cdot 10^{-3-(-6)}=0.29\cdot10^3

Note that dividing the powers of ten corresponds to subtracting the denominator power from the numerator power of 10.

6 0
3 years ago
Bejiman had 12 pounds of modle clay
mamaluj [8]

Answer:

11 11/20

Step-by-step explanation:

First determine how much was left after Monday

12 - 1/5

Borrow 1 in the form of 5/5 from the 12

11 +5/5 -1/5

11 5/5 -1/5

11 4/5

Now determine how much is left after Tuesday

11 4/5 - 1/4

Get a common denominator of 20

11 4/5 *4/4 - 1/4 *5/5

11 16/20 - 5/20

11 11/20

4 0
2 years ago
How many times does 6 go into 91
Ksenya-84 [330]
91 divide by 6 = 15.16 

so, 6 goes 15.16 times into 91
4 0
3 years ago
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