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3 years ago

Read the excerpt from Into the Unknown by Stewart Ross, and then look at the image below.

Mathematics

2 answers:

irga5000 [103]3 years ago

5 0

Answer:

The correct answer is option d The image gives the reader a visual representation of an event that is described in the text.

Step-by-step explanation:

Although your question is incomplete because the image in question is missing, the images serve to generate a representation in our minds of what we are reading.

We don't even need a graphic image, even the authors use a device also called image to generate the reader to imagine what they are reading, and this can be done with simple words.

Given this information we can say that the correct answer is the option d The image gives the reader a visual representation of an event that is described in the text.

Elena-2011 [213]3 years ago

3 0

Answer:

Step-by-step explanation:

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Joshua finds the perimeter of the following composite figure composed of a square and right triangle so that a braid may be cut

Bumek [7]

The perimeter of a shape is the sum of its side lengths.

<em>Joshua miscalculated the third length of the triangle</em>

First, we calculate the third length (x) of the triangle.

Because the triangle is right-angled, we can make use of Pythagoras.

So we have:

$x^2 = 7^2 + 7^2$

$x^2 = 2(7^2)$

Take square roots of both sides

$x = \sqrt{2(7^2)$

$x = 7\sqrt{2$

The other shape in the figure is a square.

So, the perimeter (P) is

$P = 7 + x + x + x + 7$ ---- i.e. the sum of the visible lengths

So, we have:

$P = 7 + 7\sqrt2 + 7\sqrt2 + 7\sqrt2+ 7$

Evaluate like terms:

$P = 14 + 21\sqrt2$

Hence, Joshua's error is that:

<em>He miscalculated the third length of the triangle</em>

Read more about perimeters at:

brainly.com/question/6465134

4 0

2 years ago

Can someone help me with this PLZ

nydimaria [60]

What should we be helping you with?

I don't see the question?

Please state it clearly so that I can help you. I would love to help you!

7 0

3 years ago

Assume that a postal code consists of 6 characters. Each character can be any letter from A to Z or any numeral from 0 to 9. How

mafiozo [28]

Answer:

$36^6$ postcodes

Step-by-step explanation:

Think of the post code as a combination lock

[?] [?] [?] [?] [?] [?]

If letters a numbers are allowed, each character can be A-Z and 0-9.

There are 26 letters, and 10 different digits

26 + 10 = 36 characters

Each block (I illustrated above) can be any of the 36 characters

If you have 2 blocks, you have a combination of

36 x 36 characters — which is the same as $36^2$

With 3 blocks: $36^3$

and so forth...

If your post code is made of 6 'blocks' it can be any combination of

$36^6$

6 0

2 years ago

can anyone help on these two questions show your work and explain please 5. the table below shows the temperature T(m) of a cup

andreyandreev [35.5K]

Answer:

(1), (3)

Step-by-step explanation:

5. If m starts at 1, a geometric series has the form a₁ (r)ᵐ⁻¹.

If m starts at 0, a geometric series has the form a₀ (r)ᵐ.

Here, m starts at 0. The first term, a₀, is 150. The temperature is decreasing, so we're looking for an r < 1. Therefore, the answer must be (1) 150 (0.85)ᵐ.

7. A quadratic written in vertex form is:

y = a(x - h)² + k

We can find the vertex of the parabola using x = -b/(2a).

x = -12 / (2*3)

x = -2

f(-2) = 3(-2)² + 12(-2) + 11

f(-2) = -1

So the vertex (h, k) is at (-2, -1).

Therefore, the answer must be f(x) = 3(x + 2)² - 1

We can also show this by completing the square.

f(x) = 3x² + 12x + 11

f(x) = 3(x² + 4x) + 11

f(x) = 3(x² + 4x + 4) - 3(4) + 11

f(x) = 3(x + 2)² - 1

8 0

3 years ago

Given that the measurement is in centimeters, find the circumference to the nearest tenth.

const2013 [10]

It’s B. Hope that helps you!

5 0

2 years ago