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3 years ago

Name the quadrilateral based on the markings.

Mathematics

2 answers:

raketka [301]3 years ago

5 0

Answer:

rhombus, square

Step-by-step explanation:

the markings only indicate the quadrilateral is equilateral; it states nothing about the angles

so we can only select the rhombus and square which are both equilateral

erica [24]3 years ago

3 0

Answer:

Square

Step-by-step explanation:

All sides are the same, based on the "ticks" / markings

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

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A survey of 32 different gas stations in Texas found the average price of gasoline to be $3.19 a gallon with a sample standard d

Leni [432]

Answer:

The value of test statistic is -4.1247

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = $3.26 a gallon

Sample mean, $\bar{x}$ = $3.19 a gallon

Sample size, n = 32

Sample standard deviation, σ = $0.096

First, we design the null and the alternate hypothesis

$H_{0}: \mu = 3.26\text{ dollars a gallon}\\H_A: \mu < 3.26\text{ dollars a gallon}$

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

Formula:

$t_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }$

Putting all the values, we have

$t_{stat} = \displaystyle\frac{3.19 - 3.26}{\frac{0.096}{\sqrt{32}} } = -4.1247$

Thus, the value of test statistic is -4.1247

3 0

2 years ago

I need the answer and maybe someone can tell me how to do it? Please and Thanks!! :))

UNO [17]

Answer:

Step-by-step explanation:

The 126 angle is an exterior angle of the triangle.

The 43 and x angles are the two remote interior angles of the 126 angle.

<em>Theorem:</em>

<em>The measure of an exterior angle of a triangle equals the sum of the measures of the remote interior angles.</em>

x + 43 = 126

x = 83

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stira [4]

Answer:

Step-by-step explanation:

Examples:

1 x 13 = 13

3 x 13 = 39

Second blank:

2 x 13 = 26

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2 years ago

$3.00 is ____ % of $1.80

natta225 [31]

1.666666666666667%

3.00/1.80

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yawa3891 [41]

Answer:

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