2 years ago

Find the common difference of the arithmetic sequence 2, 4, 6, ...

Mathematics

1 answer:

Nataly_w [17]2 years ago

6 0

The answer to this question is 2

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A rectangle has a height of 3 cm and width of 5cm. A proportional rectangle has a height of 12cm. What would be the width?

Schach [20]

The ratio will be same

Let width be x

$\\ \sf\longmapsto \dfrac{3}{5}=\dfrac{12}{x}$

$\\ \sf\longmapsto 3x=5(12)$

$\\ \sf\longmapsto 3x=60$

$\\ \sf\longmapsto x=\dfrac{60}{3}$

$\\ \sf\longmapsto x=20cm$

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3 years ago

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2 years ago

What is a factor of 144-49x^2

Alenkinab [10]

(12+7x)(12-7x)
Because the square root of 144 is 12 and for 49 is 7

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3 years ago

Alicia earned d dollars baby-sitting. Her friend earned twice as much. You earned $2 less than Alicia's friend earned. Write an

Semenov [28]

Answer:

$Total = \$5d - 2$

Step-by-step explanation:

Represent Alice with A, her friend with F and you with Y.

From the question, we have:

$A = \$d$

$F = 2 * A$ --- Twice as much Alice means 2 times Alice's earnings

$Y = F - 2$ --- 2 less than her friend

Required

Determine the total amount

$A = \$d$

Substitute $\$d$ for A in $F = 2 * A$

$F = 2 * \$d$

$F = \$2d$

Substitute $\$2d$ for F in $Y = F - 2$

$Y = \$2d - 2$

The total amount is calculated by adding the earnings of Alice, her friend and you

$Total = A + F + Y$

$Total = \$d + \$2d + \$2d - 2$

$Total = \$5d - 2$

<em>Hence, the total earnings is 5d - 2</em>

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3 years ago

What is the slope of the line that goes through<br> (2,-2) and (-1, 1)?

Olegator [25]

Answer:

m = -1

Step-by-step explanation:

use the slope formula so m = 1- -2 / -1 - 2

m = 1+2/-3, m=3/-3 so m = -1

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3 years ago

Find the common difference of the arithmetic sequence 2, 4, 6, ... ​

Find the common difference of the arithmetic sequence 2, 4, 6, ...