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3241004551 [841]
2 years ago
14

Name the property used to make the conclusion. If x+ 3 = 17, then x = 14 -

Mathematics
1 answer:
zimovet [89]2 years ago
6 0

Answer:

Subtraction property of inequality

Step-by-step explanation:

Step 1: Definition of Subtraction property

Subtraction property of equality refers to balancing an equation by using the same mathematical operation (minus) on both sides.

Step 2: Relate the definition above with the given question.

It can be seen from the statements in the question that 3 was subtracted from both sides of the initial equation to get:

x + 3 = 17 \\ x + 3 - 3 = 17 - 3 \\  x = 14

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The number of potato chips in a bag is normally distributed with a mean of 74 and and a standard deviation of 4. Approximately w
aleksklad [387]

Answer:

99.8%  is the percent of bags contain between 62 and 86 potato chips.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 74

Standard Deviation, σ = 4

We are given that the distribution of number of potato chips in a bag is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

P( bags contain between 62 and 86 potato chips)

P(62 \leq x \leq 86) = P(\displaystyle\frac{62 - 74}{4} \leq z \leq \displaystyle\frac{86-74}{4}) = P(-3 \leq z \leq 3)\\\\= P(z \leq 3) - P(z < -3)\\= 0.999 - 0.001 = 0.998 = 99.8\%

P(62 \leq x \leq 86) = 99.8\%

7 0
2 years ago
Read 2 more answers
PLS SOLVE AND EXPLAIN
Sonja [21]
The answer to the question

6 0
3 years ago
What’s the measure of A?
Mekhanik [1.2K]

Answer: x = 11

Step-by-step explanation:

Complementary angles = 90*

Set the two equations equal to 90. Solve

4x + 6 + 4x - 4 = 90

8x +2 = 90

8x = 88

x = 11

Plug it in to see if it makes equation true

4 (11) + 6 + 4 (11) - 4 = 90

44 + 6 + 44 - 4 = 90

50 + 40 = 90

90 = 90

5 0
2 years ago
Worth points...... ;)
Artist 52 [7]

Answer: C. 4 friends will borrow 4 books each, 1 friend will borrow 3 books

Step-by-step explanation:

Friend 1 has 4 books

Friend 2 has 4 books

Friend 3 has 4 books

Friend 4 has 4 books

So far, that’s a total of 16 books.

Now add the 3 books of the 5th friend to that:

16 + 3 = 19

This is the way in which a group of friends can most evenly divide the 19 books.

pls mark brainliest if this helped. :)

7 0
3 years ago
If i read 60 pages in 1 5/12 hours how long will it take me to read 120 pages
zysi [14]

Answer:

Step-by-step explanation:

Direct proportion

60: 1 5 /12 = 120 : x

60: 17/12 = 120:x

Product of extremes = product of mean

60*x = (17/2)*120

60*x=\frac{17}{12}*120\\\\60*x=17*10\\\\x=\frac{17*10}{60}\\\\x=\frac{17}{6}\\\\x=2\frac{5}{6}

It will take  2 5/6 hours to read 120 pages

8 0
3 years ago
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