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3 years ago

How do you name a vector?

Mathematics

1 answer:

Llana [10]3 years ago

8 0

You can name a vector<span> by its length and direction</span>

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Find the sum of the following infinite geometric series, if it exists.

Rasek [7]

$q=\dfrac{84}{60}=1.4 > 1\ \text{ therefore you answer: Does not exist}$

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4 years ago

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NEED HELP ASAP (WILL MARK BRAINLYEST)

Leni [432]

19 your welcome hope I helped

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3 years ago

A rectangle has a length of 9 mm. A similar rectangle is drawn using a scale of 1:3. What is the length of the second rectangle?

Assoli18 [71]

Answer:

3mm brainliest please

Step-by-step explanation:

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3 years ago

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Given points A (0,0), B (4,0), C (0,2), D (0,0), E (2,0), and F (0,1), which of the following proves that

damaskus [11]

Similar triangles may or may not have equal side lengths

Triangles ABC and DEF are similar by SSS theorem

<h3>How to determine the similarity statement</h3>

The coordinates of the two triangles are:

A (0,0), B (4,0), C (0,2), D (0,0), E (2,0), and F (0,1)

Calculate the lengths of both triangles using the following distance formula

$d = \sqrt{(x_2 -x_1)^2 + (y_2 -y_1)^2}$

For triangle ABC, we have:

$AB = \sqrt{(0 -4)^2 + (0 -0)^2} = 4$

$BC = \sqrt{(4 -0)^2 + (0 -2)^2} = 2\sqrt 5$

$CA = \sqrt{(0 -0)^2 + (0 -2)^2} = 2$

For triangle DEF, we have:

$DE = \sqrt{(0 -2)^2 + (0 -0)^2} = 2$

$EF = \sqrt{(2 -0)^2 + (0 -1)^2} = \sqrt 5$

$FD = \sqrt{(0 -0)^2 + (1 -0)^2} = 1$

Divide corresponding sides of the triangles to calculate the scale factor k

$k = \frac{AB}{DE} = \frac{BC}{EF} = \frac{CA}{FD}$

This gives

$k = \frac{4}{2} = \frac{2\sqrt 5}{\sqrt 5} = \frac{2}{1}$

Evaluate the quotients

$k = 2 = 2 = 2$

Since the quotients are equal, then the triangles are similar

Hence, triangles ABC and DEF are similar by SSS theorem

Read more about similar triangles at:

brainly.com/question/14285697

3 0

2 years ago

Can come one help me with this please?

Lera25 [3.4K]

Explanation:

If there are 7 options (7 tiles) but only 2 possibilities (2 tiles with the number one), our probability could be expressed as:

2/7 or 29% approximately for the first tile.

He has

Hope it helped,

Happy homework/ study/ exam!

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3 years ago

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