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natka813 [3]
3 years ago
5

I need help people please help me

Mathematics
1 answer:
Genrish500 [490]3 years ago
6 0

Answer:

Two pizzas are divided equally among six people:Two containers of berry jam are divided equally among eight people

2/6 : 2/8

1/3 per person : 1/4 per person

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According to the United States Census Bureau, the average single-family home constructed in 2016 was 2,463 square feet. Carmen w
Dimas [21]

Using the t-distribution, it is found that the value of the test statistic is t = -87.3.

At the null hypothesis, it is <u>tested if the mean is of 2,463 square feet</u>, that is:

H_0: \mu = 2463

At the alternative hypothesis, it is <u>tested if the mean is smaller</u>, that is:

H_1: \mu < 2463.

We have the <u>standard deviation for the sample</u>, hence, the <em>t-distribution</em> is used to solve this question.

The test statistic is given by:

t = \frac{\overline{x} - \mu}{\frac{s}{\sqrt{n}}}

The parameters are:

  • \overline{x} is the sample mean.
  • \mu is the value tested at the null hypothesis.
  • s is the standard deviation of the sample.
  • n is the sample size.

The values of the <em>parameters </em>are: \overline{x} = 1640, \mu = 2463, s = 66, n = 49.

Hence, the value of the <em>test statistic</em> is:

t = \frac{\overline{x} - \mu}{\frac{s}{\sqrt{n}}}

t = \frac{1640 - 2463}{\frac{66}{\sqrt{49}}}

t = -87.3

To learn more about the t-distribution, you can take a look at brainly.com/question/25819230

7 0
2 years ago
Area of figure? Geometry help???
Serga [27]
A = \dfrac{n}{360^\circ} \times \pi r^2

A = \dfrac{172^\circ}{360^\circ} \times 3.14159 \times (4~in.)^2

A = \dfrac{172^\circ}{360^\circ} \times 3.14159 \times 16~in.^2

A = 24.0~in.^2


6 0
3 years ago
Benito spent $1837 to operate his car last year. Some of these expenses are listed below. Benito's only other expense was for ga
77julia77 [94]
I answered this question before. It lacked some data needed to solve this problem.

Operating Expenses 
<span>Cost Insurance $972 </span>
<span>Registration $114 </span>
Maintenance $105

1837 - 972 - 114 - 105 = 646 cost of gasoline

<span>646 / 7600 = 0.085 or 8.5 centavos</span>
3 0
4 years ago
What is the maximum height of the basketball when the player passes the ball to someone? Initially, the ball moves at a speed of
ZanzabumX [31]

Answer with explanation:

Since the motion of the ball is projectile motion we shall use the equations for projectile motion.

The maximum height achieved by the projectile is given by

h_{max}=\frac{v_{o}^{2}sin^{2}(\theta )}{2g}

Applying the values we get

h_{max}=\frac{12^{2}\times sin^{2}(45)}{2\times 9.81}\\\\h_{max}=3.669m

The range of the projectile is given by

R=\frac{v_{o}^{2}sin(2\theta )}{2g}

Applying values we get

R=\frac{12^{2}\times sin(2\times 45 )}{2\times 9.81}\\\\R=7.339m

thus the maximum horizontal distance reached by the ball equals 7.339 meters after which it bounces thus a person standing 8 meters away will not be able to catch it.

(The height of the players is not taken into account since no info is given about their height.)

3 0
4 years ago
I can join video club A for $25 and rent videos for $1.00 each or I can join Video club B for $15 and rent videos for $2.00 each
PolarNik [594]

Answer:

25 + x = 15 + 2x

Step-by-step explanation:

8 0
3 years ago
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