3 years ago

What is the rule for the function shown in the table?

1 answer:

4 0

Each of the input changes is 1 unit.
Each of the output changes is 3 units, so the function is linear with a slope of 3.

The output is -2 when the input is 0, so the function is
.. y = 3x -2

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The area of a rectangle is 42 ft squared, and the length of the rectangle is 5 ft more than twice the width. Find the dimensions

stira [4]

Answer:

<h3>Length = 12 ft</h3>

Width = $\frac{7}{2} ft$

Step-by-step explanation:

Given,

Area of rectangle = $42 \: {ft}^{2}$

Width = X

Length = 2x + 5

Now,

$x(2x + 5) = 42$

$2 {x}^{2} + 5x = 42$

$2 {x}^{2} + 5x - 42 = 0$

$2 {x}^{2} + 12x - 7x - 42 = 0$

$2x(x + 6) - 7(x + 6) = 0$

$(2x - 7)(x + 6) = 0$

Either

$2x - 7 = 0$

$2x = 0 + 7$

$2x = 7$

$x = \frac{7}{2}$

Or,

$x + 6 = 0$

$x = 0 - 6$

$x = - 6$

Negative value can't be taken.

So, width = $\frac{7}{2} ft$

Again,

Finding the value of length,

Length = $2x + 5$

$2 \times \frac{7}{2} + 5$

$7 + 5$

$12$

Length = 12 ft

7 0

2 years ago

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11-Across plus 28-Down

Art [367]

Answer:

(11,-28)

Step-by-step explanation:

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3 years ago

Write the sum of 18 + 27 as the product of their GCF and another sum <br><br> (PLEASE HELP)

nikdorinn [45]

27
18
----
45

GCF of 45 = 15
Here is a word document on Greatest Common Factors and how to solve it.

Download docx

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2 years ago

Can you please help

Dmitry [639]

Answer is in the file below

tinyurl.com/wpazsebu

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2 years ago

O panglica a fost taiata, prin 5 taieturi , in bucati cu lungimea de 35 cm . Cati metri masura panglica?

Amiraneli [1.4K]

35×5=175 (metri măsoară pamblica)

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3 years ago