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Ne4ueva [31]
3 years ago
7

dante is constructing a quadrilateral with four sides, each 2 inches long. how many different quadrilaterals can he make? explai

n
Mathematics
1 answer:
finlep [7]3 years ago
3 0

Answer:

Dante can make two different quadrilaterals with four sides equal

Step-by-step explanation:

we know that

A <u><em>rhombus</em></u> is a four-sided shape where all sides have equal length.

Also opposite sides are parallel and opposite angles are equal

A <u><em>square</em></u> has equal sides and every angle is a right angle (90°)

Also opposite sides are parallel.

therefore

Dante can make two different quadrilaterals with four sides equal

A Square and a Rhombus

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Donna sent her grandson a birthday present. The box weighed 0.875 kilograms and the present itself weighed 6,800 grams. a. What
Nana76 [90]
A) We know that the box weighed 0.875 kg, and the present weighed 6,800 g. However we need the gross weight of the package in kg, so we have to convert the present's weight to kg. There are 1000 grams in 1 kg, so we can divide the present's weight by 100 to find the weight in kg:

\frac{6,800}{1000} =6.8 kg

Now that we have converted to grams, let's add the weight to get the total gross weight:

0.875+6.8=7.675 kg

So the gross weight of the package is 7.675 kg.

b) Shipping costs 74 cents per kg, so in order to find the total cost of shipping for the package, let's multiply the weight of the package by the cost of shipping:

\frac{7.675kg}{1}* \frac{74 cents}{kg}=567.95 cents

However the cost of shipping has to be in dollars. There are 100 cents in one dollar, so we need to divide the amount of cents that shipping costs by 100 to get the total in dollars:

\frac{567.95cents}{100} =5.68dollars

Now we know that the total cost of shipping, in dollars, is equal to $5.68.
7 0
3 years ago
A sample of 64 was taken from a population, with the mean of the sample being 119 and the standard deviation of the sample being
Fofino [41]
We have the sample size, sample mean and the sample standard deviation. Since the population standard deviation is not know, we will use t-distribution to find the confidence interval.

The critical t value for 95% confidence interval and 63 degrees of freedom is 1.998.

The 95% confidence for the population mean will be:

(119-1.998 *\frac{16}{ \sqrt{64} } ,119+1.998 *\frac{16}{ \sqrt{64} }) \\  \\ &#10;=(115.004, 122.996) \\ \\=(115,123)

Thus, the 95% confidence interval for the population mean will be (115,123)

So, option A is the correct answer
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3 years ago
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2 7/9 is A. real number

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3 years ago
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taurus [48]
The answer to your question is 4.11 if I’m correct
8 0
2 years ago
How to solve 9(n+3)=7n-3)
Licemer1 [7]
9(n+3)=7n-3

9n+12=7n-3

2n = -15

n =- \frac{15}{2}
8 0
3 years ago
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