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Stolb23 [73]
3 years ago
13

A grocery store will only accept yellow onions that are at least 2.75 in. In diameter. A grower has a crop of onions with diamet

ers that are normally distributed, with a mean diameter of 2.5 in. And a standard deviation of 0.25 in. What percent of the onions will be accepted by the grocery store?
Mathematics
1 answer:
Paraphin [41]3 years ago
4 0

Answer:

Step-by-step explanation:

Calculate z-score firstly

z-score = (x-mean)/SD = (2.75-2.5)/0.25 = 0.25/0.25 = 1

P( x greater than or equal to 2.75) = P(z greater than or equal to 1)

= 1 - p(z <1)

P(z<1) from table = 0.84134

1-p(z<1) = 0.15866 or 15.866%

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Simplify -3(3x^2+2y-5)-2(x^2-3x)
inn [45]

Answer:

=7x^2+6x+6y-15

Step-by-step explanation:

5 0
2 years ago
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Solve for x.<br> 3x + 2<br> 2x + 6<br> x = [?]
AVprozaik [17]

Answer:

4

Step-by-step explanation:

Im assuming you mean the first and second equation equal each other:

3x+2=2x+6

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6 0
3 years ago
Answer the questions below about Line 1 and Line 2 shown below.
givi [52]
  1. The expression was rewritten using the commutative law of addition.
  2. Line 1 says 3 + 4, which could be represented using dots as ••• + •••• for a total of 7 dots.
  3. Line 2 says 4 + 3, which could be represented using dots as •••• + ••• for a total of 7 dots.

<h3>What is the commutative law of addition?</h3>

The commutative law of addition is also referred to as the law of cumulative addition and it states that if two numbers are added together, then, the outcome is equal to the addition of their interchanged position because addition is considered as a binary operation.

This ultimately implies that, the sum of addends would always be the same (equal) regardless of their arrangement in accordance with the commutative law of addition. Mathematically, the commutative law of addition can be represented using the following formula:

A + B = B + A.

In this context, we can reasonably infer and logically deduce that the given expression was rewritten using the commutative law of addition.

In conclusion, Line 1 says 3 + 4, which could be represented using dots as ••• + •••• for a total of 7 dots. Line 2 says 4 + 3, which could be represented using dots as •••• + ••• for a total of 7 dots.

Read more on commutative law of addition here: brainly.com/question/778086

#SPJ1

6 0
2 years ago
Given the function f(x)=X^2- 3x, find f(-4)
sladkih [1.3K]
Put -4 in place of x
-4 to the second power is 16 so it would be 16-(-12)= 28
5 0
2 years ago
Bethany has a garden box that is 4. feet long, 8 feet wide, and foot deep . How many cubic feet of dirt does she need to fill th
Firdavs [7]
You need to work out the area so

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So

A= l x b
A= 8 x 4
A= 32

Therefor 32 cubic feet of dirt is needed
6 0
3 years ago
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