1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Ainat [17]
3 years ago
12

Answer all the questions and give explanations for each please and i will give branilest and 50 points!

Mathematics
1 answer:
mixer [17]3 years ago
8 0

The top problem is impossible assuming the total number of people is 70 friends.

Middle problem:

2. C     3. B    4. A

Last problem:

y = 3x + 95

It is a tight fit.

You might be interested in
The distance from the library to the park is 0.7 km how many meters is this
givi [52]
1000 meters are 1km so 700 meters
3 0
3 years ago
Read 2 more answers
A national grocery store chain wants to test the difference in the average weight of turkeys sold in Detroit and the average wei
Arte-miy333 [17]

Answer:

<em>Calculated value t = 1.3622 < 2.081 at 0.05 level of significance with 42 degrees of freedom</em>

<em>The null hypothesis is accepted . </em>

<em>Assume the population variances are approximately the same</em>

<u><em>Step-by-step explanation:</em></u>

<u>Explanation</u>:-

Given data a random sample of 20 turkeys sold at the chain's stores in Detroit yielded a sample mean of 17.53 pounds, with a sample standard deviation of 3.2 pounds

<em>The first sample size  'n₁'= 20</em>

<em>mean of the first sample 'x₁⁻'= 17.53 pounds</em>

<em>standard deviation of first sample  S₁ = 3.2 pounds</em>

Given data a random sample of 24 turkeys sold at the chain's stores in Charlotte yielded a sample mean of 14.89 pounds, with a sample standard deviation of 2.7 pounds

<em>The second sample size  n₂ = 24</em>

<em>mean of the second sample  "x₂⁻"= 14.89 pounds</em>

<em>standard deviation of second sample  S₂ =  2.7 poun</em>ds

<u><em>Null hypothesis</em></u><u>:-</u><u><em>H₀</em></u><em>: The Population Variance are approximately same</em>

<u><em>Alternatively hypothesis</em></u><em>: H₁:The Population Variance are approximately same</em>

<em>Level of significance ∝ =0.05</em>

<em>Degrees of freedom ν = n₁ +n₂ -2 =20+24-2 = 42</em>

<em>Test statistic :-</em>

<em>    </em>t = \frac{x^{-} _{1} -  x_{2} }{\sqrt{S^2(\frac{1}{n_{1} } }+\frac{1}{n_{2} }  }

<em>    where         </em>S^{2}   = \frac{n_{1} S_{1} ^{2}+n_{2}S_{2} ^{2}   }{n_{1} +n_{2} -2}

                      S^{2} = \frac{20X(3.2)^2+24X(2.7)^2}{20+24-2}

<em>              substitute values and we get  S² =  40.988</em>

<em>     </em>t= \frac{17.53-14.89 }{\sqrt{40.988(\frac{1}{20} }+\frac{1}{24}  )}<em></em>

<em>  </em>   t =  1.3622

  Calculated value t = 1.3622

Tabulated value 't' =  2.081

Calculated value t = 1.3622 < 2.081 at 0.05 level of significance with 42 degrees of freedom

<u><em>Conclusion</em></u>:-

<em>The null hypothesis is accepted </em>

<em>Assume the population variances are approximately the same.</em>

<em>      </em>

<em>                        </em>

<em>                    </em>

6 0
2 years ago
Multiply.Write each product in simplest form
xz_007 [3.2K]
1. 5/16
2. 1/3
3. 3/20
4. 38
5. 3/4
6. 6
4 0
3 years ago
Read 2 more answers
What's an equation that the passes through (-6,4) and is parallel to y=1/2x+8
deff fn [24]
By definition, if two lines share the same gradient, they are said to be parallel. So, we know for this equation, it must have a gradient of 1/2.

Now, since the point (-6, 4) passes through the line, we know it must satisfy the equation. Since we have a gradient/slope and a point, we can use the point-gradient form:

y - y_1 = \frac{1}{2}(x - x_1), where (x_1, y_1) represents the points being passed through.

y - 4 = \frac{1}{2}(x + 6)
2y - 8 = x + 6
2y = x + 14
y = \frac{1}{2}x + 7
3 0
3 years ago
In the basketball game, Rachel scored 6 points less than twice the number of points Trina scored. Together they scored 36 points
Vesnalui [34]

Answer:

36=2x-6

Step-by-step explanation:

36=total

2x= Trina

6= Rachel

5 0
3 years ago
Other questions:
  • Alexia started babysitting when she was in high school. She has built a reputation for herself and has become popular among the
    6·2 answers
  • Yves bought 420 tropical fish for a museum display. He bought 6 times as many parrotfish as angelfish. How many of each type of
    9·2 answers
  • How can I find the surface area of a right cone with a radius of 6 and slant height of 16
    11·1 answer
  • There are 16 people at a party they want to set up relay teams with exactly 3 people on each team will each person be on team ex
    12·2 answers
  • It is recommended that there be at least 15.9 square feet of ground space in a garden for every newly planted shrub. A garden is
    7·1 answer
  • NEED IT NOW PLEASE HELPPPP
    12·1 answer
  • What expression is equivalent to (2x-1)(x-3)?
    12·1 answer
  • Fiona bought some socks that cost $4.95 for each pair and some belts that cost $6.55 each. Fiona spent $27.95 in all. Let a repr
    11·1 answer
  • on the first one shows you how to solve it then second one is the problem just tell me the answer pls have a good day bye
    13·1 answer
  • Hannah buys ice cream and onions at the store
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!