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Svet_ta [14]
3 years ago
6

What is the quotient? 2 1/5/1-/10​

Mathematics
2 answers:
Mariana [72]3 years ago
5 0

the answer is -0.22

Lubov Fominskaja [6]3 years ago
5 0

\:  \:  \:

=   \:  \:  \:  \: - 22

Step-by-step explanation:

2 \frac{1}{ \frac{5}{  - \frac{ 1} {10} }  }

  • convert the<u> mixed</u><u> </u><u>number</u><u> </u>to an <u>improper</u><u> fraction</u>

\frac{11}{ \frac{5}{ -  \frac{1}{10} } }

  • use <u>-</u><u> </u><u>a </u><u>/</u><u> </u><u>b </u><u>=</u><u> </u><u>a </u><u>/</u><u> </u><u>-</u><u> </u><u>b </u><u>=</u><u> </u><u>a</u><u> </u><u>-</u><u> </u><u>/</u><u> </u><u>b </u> to rewrite the<u> </u><u>fraction</u>

<u>\frac{11}{ -  \frac{5}{ \frac{1}{10} } }</u>

  • simplify the<u> </u><u>complex </u><u>fraction</u>

<u>=  \:  \:  \:  - 22</u>

<h2><u>hope</u><u> it</u><u> helps</u></h2>
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ecn 221 The sodium content of a popular sports drink is listed as 206 mg in a 32-oz bottle. Analysis of 14 bottles indicates a s
spayn [35]

Answer:

H_{0}: \mu = 206\text{ mg}\\H_A: \mu \neq 206\text{ mg}

Step-by-step explanation:

We are given the following in the question:

Population mean, μ =  206 mg

Sample mean, \bar{x} = 217.5 mg

Sample size, n = 14

Sample standard deviation, s = 14.9 mg

Claim:

The mean sodium content for the sports drink is not 206 mg. It is different than 206 mg.

Thus, we design the null and the alternate hypothesis

H_{0}: \mu = 206\text{ mg}\\H_A: \mu \neq 206\text{ mg}

We use two-tailed t test to perform this hypothesis.

     

3 0
3 years ago
Tennis balls with a diameter of 2.5 inches are sold in cans of three. The can is a cylinder. What is the volume of the space NOT
Paul [167]

Answer:

The space NOT occupied by the tennis balls is 12.26 cube inches.

Step-by-step explanation:

The space NOT occupied = volume of cylinder - total volume of spheres

The can is cylinder with volume = \pir^{2}h

where r is the radius and h the height of the cylinder

With the given condition,

r = \frac{diameter}{2} = \frac{2.5}{2}

                 = 1.25 inches

h = 3 x diameter = 3 x 2.5

                     = 7.5 inches

So that,

Volume of the can = \frac{22}{7} x (1.25)^{2} x 7.5

                               = 36.830

Volume of can is 36.83 cube inches.

The tennis ball is a sphere with volume = \frac{4}{3}\pir^{3}

                                = \frac{4}{3} x \frac{22}{7} x (1.25)^{3}

                                = 8.185

Volume of the tennis ball is 8.19 cube inches.

Since they are sold in three's, then;

total volume of the tennis balls = 3 x 8.19

                                     = 24.57

Volume of the tennis balls is 24.57 cube inches.

Thus,

The space NOT occupied = 36.83 - 24.57

                                           = 12.26

The space NOT occupied by the tennis balls is 12.26 cube inches.

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3 years ago
Increasing and decreasing intervals
scoray [572]

Answer:

increasing = 2

decreasing = 8

Step-by-step explanation:

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