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tankabanditka [31]
2 years ago
12

Since 1 inch=2.54 centimeters what does 1 centimeter equal in inches?

Mathematics
2 answers:
melamori03 [73]2 years ago
6 0

Answer:

0.39

Step-by-step explanation:

0.39 is the answer. The answer above gives you the exact numbers.

Tanzania [10]2 years ago
3 0

Answer:0.393701 Inches

Step-by-step explanation:

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Do all perpendicular lines have negative reciprocal slopes?
inna [77]

Not necessarily, the more correct definition is opposite reciprocal slopes.

The example used is how horizontal and vertical lines are parallel. Horizontal lines have a slope of 0, also written as 0/1. However, vertical lines have an undefined slope, which isn't necessarily negative. It has a slope of 1/0, which is undefined. In this case, the reciprocal isn't negative.

In all other cases (1 and -1, 2 and -1/2, etc.) yes, the perpendicular pairs are negative and reciprocal.

6 0
2 years ago
How many ounces of 50% alcohol solution must be mixed with 80 ounces of a 20% alcohol solution to make a 40% alcohol solution?
Paraphin [41]
X = amount of 50% solution
y = total amount after mixing

Note that the amount of alcohol in the 20% solution is 80 (0.2) = 16 oz.

We have 2 unknowns, so we need 2 equations:
first, we can write the equation for the total volume:
y = x + 80

next, apply the percentages to get an equation for the amount of alcohol:

0.4 y = 0.5 x + 16

Finally, solve the pair of equations (in this case, by substitution of the 1st into the second:
0.4 (x + 80) = 0.5x + 16
0.4 x + 32 = 0.5X + 16
rearrange and combine like terms:
0.1x = 16
x = 160
from the 1st equation:
y = 160 + 80 = 240
8 0
2 years ago
When you sample the first individuals you can find, you call it a _____; it's cheap and easy to do, but statistically not a very
ZanzabumX [31]

Answer:

E.

simple random sample

Step-by-step explanation:

Simple random sample: Every member and set of members has an equal chance of being included in the sample. Random samples are usually fairly representative since they don't favor certain members.

3 0
3 years ago
Is the mean resistant
Dvinal [7]
Hold on just have to type before I can see the question
8 0
3 years ago
Alison has 3 containers with 25 crayons in each.She also has 4 boxes of markers with 12 markers in each box. She gives 10 crayon
svet-max [94.6K]
3 x 25 = 75
4 x 12 = 48
75 - 10 = 65
65 + 48 = 113
Answer: 113 markers and crayons or 65 crayons and 48 markers
6 0
3 years ago
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