3 years ago

Sidney wants to increase the amount of time he spends studying.

Mathematics

1 answer:

marusya05 [52]3 years ago

6 0

Thats reallly good for sidney

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3 years ago

Six times the sum of a number and four is -12. Find the number and show work.

Alina [70]

Answer:

<em>The number is -6.</em>

Step-by-step explanation:

Let x = the unknown number

"the sum of a number and four" = n + 4

"Six times the sum of a number and four" = 6(n + 4)

"Six times the sum of a number and four is -12." is the equation

6(n + 4) = -12

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3 years ago

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Firlakuza [10]

Answer:

$x = 20$

Step-by-step explanation:

Given

First Polygon:

$Top = 12$

$Bottom =5$

Second Polygon

$Top = 48$

$Bottom =x$

Required

Find x

Since both polygons are similar, then:

$Ratio = Top:Bottom$

For the first:

$Ratio = 12:5$

For the second

$Ratio = 48:x$

Equate both ratios

$12:5 = 48:x$

Express as fraction

$\frac{12}{5} = \frac{48}{x}$

Cross Multiply

$12 * x = 48 * 5$

Solve for x

$x = \frac{48 * 5}{12}$

$x = \frac{240}{12}$

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3 years ago

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Answer:

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Step-by-step explanation:

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