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3 years ago

Can anyone help I’ve been on this question for almost an hour :(

Mathematics

2 answers:

Delvig [45]3 years ago

4 0

Answer:

The answer is 15 ft.

Step-by-step explanation:

since the trapezoids are similar, they have a scale factor of 3 because 4.5 divided by 3 is 1.5, so 5 x 3 is 15 ft.

Trava [24]3 years ago

4 0

Answer:

I think the legnth is 15 ft

Step-by-step explanation:

If you measure the bottom side of the trapezoid ABCD it tells you that it is 7 feet and the sides of GHIJ are 4.5 feet and you need to go around the trapezoid.

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Describe how the graph of y=x^2 can be transformed to the graph of the given equation y=x^2+13. A) shift the graph of y=x^2 righ

stiks02 [169]

Answer:

Step-by-step explanation:

when a number is added at the end it results in a vertical transformation

8 0

3 years ago

Urgent please help..

Alexxx [7]

Answer:

x ≈ 13.5

Step-by-step explanation:

Using the sine rule in the triangle, then

$\frac{sin34}{x}$ = $\frac{sin27}{11}$ ( cross- multiply )

x × sin27° = 11 × sin34° ( divide both sides by sin27° )

x = $\frac{11sin34}{sin27}$ ≈ 13.5 ( to the nearest tenth )

5 0

3 years ago

A researcher obtained M = 27 for a sample of n = 36 scores selected from a population with µ = 30 and σ = 18. This sample mean c

dusya [7]

Answer:

True

Step-by-step explanation:

Given that:

M = 27, sample of n = 36 scores, µ = 30 and σ = 18.

The z score is used in statistics to determine by how many standard deviations the raw score is above or below the mean. If the z score is positive, the raw score is greater than the mean and if the z score is negative the raw score is less than the mean. The z score is given as:

$z=\frac{x-\mu}{\sigma}$

Given that M = 27, this means that x = 27. Therefore:

$z=\frac{x-\mu}{\sigma}\\\\for \ a\ sample\ size(n):z=\frac{x-\mu}{\sigma/\sqrt{n} }\\\\z=\frac{27-30}{18/\sqrt{36} } =\frac{-3}{3}=-1$

This sample mean corresponds to a z-score of z = –1.00.

7 0

4 years ago

David records the number of visitors to the snake exhibit each day for 6 days .His data are shown in the table .If admission is

Ainat [17]

Answer:

$\$1,176$

Step-by-step explanation:

<u><em>The complete question in the attached figure</em></u>

we know that

To find out how much money the total snake exhibit earned in 6 days, add up the total number of visitors to the snake exhibit each day for 6 days and multiply that by the cost of admission per person

Find the total number of visitors for 6 days

$30+25+44+12+25+32=168\ visitors$