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2 years ago

For nitrogen to be a liquid, its temperature must be within 12.78 °F of -333.22 °F. Which equation can be used to

Mathematics

1 answer:

Leto [7]2 years ago

7 0

Answer:

X+333.22=12.78.

Step-by-step explanation:

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The sale bin in a clothing store contains an assortment of t-shirts in different sizes. There are 7 small, 8 medium, and 4 large

umka21 [38]

Answer:

P(at least 1 large) = 0.648

P(at least 1 large) = 64.8%

Step-by-step explanation:

We have 7 small shirts, 8 medium shirts and 4 large shirts

Total number of shirts = 7 + 8 + 4 = 19 shirts

The probability that at least one of the first four shirts he checks is a large is given by

P(at least 1 large) = 1 - P(no large)

So first we need to find the probability that the none of the first four shirts he checks are large.

For the first check, there are 15 small and medium shirts and total 19 shirts so,

15/19

For the second check, there are 14 small and medium shirts and total 18 shirts left so,

14/18

For the third check, there are 13 small and medium shirts and total 17 shirts left so,

13/17

For the forth check, there are 12 small and medium shirts and total 16 shirts left so,

12/16

the probability of not finding the large shirt is,

P(no large) = 15/19*14/18*13/17*12/16

P(no large) = 0.352

Therefore, the probability of finding at least one large shirt is,

P(at least 1 large) = 1 - P(no large)

P(at least 1 large) = 1 - 0.352

P(at least 1 large) = 0.648

P(at least 1 large) = 64.8%

4 0

2 years ago

Which one is the correct choice?

VARVARA [1.3K]

I don’t know man u should provide the choices also pls give me brainliest luv u

5 0

2 years ago

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Which equation describes the sum of the vectors plotted below?

Alex787 [66]

Answer: $A) \ 3\vec{x} -2\vec{y}$

Step-by-step explanation:

The resultant can be calculated using triangular law of vector addition as :

$\rm \vec{r}=\vec{AB} +\vec{AC}=2x+y+x-3y=\boxed{3x-2y }$

8 0

2 years ago

9a+8+1b−3a+2b−9 <br> Pls solve this for me i been at it for hours

Stolb23 [73]

Answer:

Step-by-step explanation:

-18

6 0

2 years ago

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You brought 9 feet of elastic to make hair ties each hair ties need 3 3/8 inches of elastic how many hair ties can you make

PIT_PIT [208]

Answer:

$32\ hair\ ties$

Step-by-step explanation:

we know that

To make one hair ties is needed 3 3/8 inches of elastic

using proportion

Find out how many hair ties can you make with 9 feet of elastic

Remember that

$1\ ft=12\ in$

Convert 9 ft to inches

$9\ ft=9*12=108\ in$

Convert mixed number to an improper fraction

$3\frac{3}{8}\ in=\frac{3*8+3}{8}=\frac{27}{8}\ in$

using proportion

$\frac{1}{(27/8)}=\frac{x}{108}\\\\x=108*8/27\\\\x=32\ hair\ ties$

3 0

3 years ago