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Reil [10]
3 years ago
11

Can someone help plz

Mathematics
2 answers:
FrozenT [24]3 years ago
6 0

Answer:         4.  1 over 3    1/3      5. -2

Step-by-step explanation:

Y2-Y1

X2-X2

Citrus2011 [14]3 years ago
5 0
Answers from top to btm
-2/3
1/3
-2
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Linda needs 20 gallons of juice that has 75%fruit juice. she has a mixture that has 80% fruit juice and another mixtures that ha
suter [353]
Linda should use ...
  15 gallons of 80% juice
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Let g represent the number of gallons of 80% juice needed. Then (20-g) is the number of gallons of 60% juice Linda will use. The amount of juice in the mixture can be written as
  0.80g +0.60(20 -g) = 0.75×20
  0.20g = 20(0.75 -0.60) = 20×0.15
  g = 20×0.15/0.20 = 15
The amount of 80% juice needed is 15 gallons, so 5 gallons of 60% juice are needed.
5 0
3 years ago
Can someone please help me?
Alisiya [41]

Answer:

Step-by-step explanation:

That'd be the Substitution Property.  Substitute -2 for x in x + 8 = 6 and arrive at the true statement 6 = 6.

4 0
3 years ago
Explain why x squared -8x+20 is always positive
Tpy6a [65]

Answer:

to square a number you multiply the number by itself.

a positive number times a positive number is a positive number.

a negative number times a negative number is a negative number.

and if you are multiplying 2 numbers with the same sign they will always be a positive number.

3 0
2 years ago
The mean clotting time of blood is 7.45 seconds with a standard deviation of 3.6 seconds. what is the probability that an​ indiv
Usimov [2.4K]
Less than 3 is about 10.75% and greater than 13 is about 6.18%.

To find these percents, you need to find the z-score for each value. Then, use your table to find the correct percent. Be sure to find the side above 13 when you use your chart.

For less than 3:
(3 - 7.45) / 3.6 = -1.24 = The percent below this is 0.1075

For greater than 13:
(13 - 7.45) / 3.6 = 1.54 = The percent above this is 0.0618
7 0
3 years ago
Fran works due north of home. Her husband Juan works due east. By the time Fran is 5 miles from home the distance between them i
lana66690 [7]
If I understood the question correctly, let's set the coordinates (5,5) from the origin (the home). To find the longer side of the triangle, (the distance between the husband and wife), we use A squared * B squared= C squared. 25*25=625, the square root of 625 is 25. So the distance between the husband and wife would be 25 miles. Therefore, one mile less than their distance would be 24 miles. To answer your question, <em><u>Juan is 24 miles from home.</u></em>
3 0
3 years ago
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