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Nina [5.8K]
2 years ago
8

BRAINLY if correct

Mathematics
2 answers:
anzhelika [568]2 years ago
7 0

Answer: 14 cartons

So if we break down the problem,

For every 30 cartons of eggs, 4 of those have cracked eggs.

If there are a total of 105 carton of eggs, if we divide 105 by 30, we'll get a multiplier of 3.5 that represents how many 30 cartons are in 105. Now if we times 3.5 with 4, we get 14 cartons of broken eggs.

jekas [21]2 years ago
6 0

Answer:

14 i think

Step-by-step explanation:

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An object is launched from ground level with an initial velocity of 120 meters per second. For how long is the object at or abov
babunello [35]

Answer:

D) 14 seconds

Step-by-step explanation:

First we will plug 500 in for y:

500 = -4.9t² + 120t

We want to set this equal to 0 in order to solve it; to do this, subtract 500 from each side:

500-500 = -4.9t² + 120t - 500

0 = -4.9t²+120t-500

Our values for a, b and c are:

a = -4.9; b = 120; c = -500

We will use the quadratic formula to solve this.  This will give us the two times that the object is at exactly 500 meters.  The difference between these two times will tell us when the object is at or above 500 meters.

The quadratic formula is:

x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}

Using our values for a, b and c,

x=\frac{-120\pm \sqrt{120^2-4(-4.9)(-500)}}{2(-4.9)}\\\\=\frac{-120\pm \sqrt{14400-9800}}{-9.8}\\\\=\frac{-120\pm \sqrt{4600}}{-9.8}\\\\=\frac{-120\pm 67.8233}{-9.8}\\\\=\frac{-120+67.8233}{-9.8}\text{ or }\frac{-120-67.8233}{-9.8}\\\\=\frac{-57.1767}{-9.8}\text{ or }\frac{-187.8233}{-9.8}\\\\=5.3242\text{ or }19.1656

The two times the object is at exactly 500 meters above the ground are at 5 seconds and 19 seconds.  This means the amount of time it is at or above 500 meters is

19-5 = 14 seconds.

6 0
3 years ago
The first three terms of a sequence are given .Round to the nearest thousand (if necessary) 13,22,31, find the 31st term
Lilit [14]

Answer

The sum of this sequence is  66

8 0
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What phrases can be represented by the algebraic expression 12 over w
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4 0
2 years ago
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When I triple my number and add five I get twenty six what is my number
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to check work

3*7=21+5=26

3 0
3 years ago
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Suppose that you are offered the following "deal.
MissTica

Answer:

expected profit is  - $0.50

Step-by-step explanation:

1  $(7.00) 0.166666667  $(1.17)

2  $(7.00) 0.166666667  $(1.17)

3  $1.00  0.166666667  $0.17  

4  $1.00  0.166666667  $0.17  

5  $1.00  0.166666667  $0.17  

6  $8.00  0.166666667  $1.33  

   

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3 0
3 years ago
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