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3 years ago

Help please..................

Mathematics

1 answer:

Olegator [25]3 years ago

5 0

Answer:

The surface area is 286.5in.

Step-by-step explanation:

7.5 * 11.5 = 86.25 * 2 = 172.5in for two big rectangles

7.5 * 3 = 22.5 for little rectangle

11.5 * 3 = 34.5 * 2 = 69 for two medioum rectangles

7.5 * 3 = 22.5 for the smallest rectangle

22.5 + 69 + 22.5 + 172.5 = 286.5 in SA

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Step-by-step explanation:

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3 years ago

Graph the line with a slope of 3/8 that goes thorough the point (1,2)

g100num [7]

Answer:

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Step-by-step explanation:

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3 years ago

What is the slope of the line passing through the point (2,1) and the origin ?

liraira [26]

Answer:

$m=\frac{1}{2}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Random Point (2, 1)

Origin (0, 0)

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3 years ago

What are the x and y-intercepts of the line described by the equation? 3x−9y=10.8

zheka24 [161]

Answer:

y intercept = (0,-1.2)

x intercept = (3.6,0)

Step-by-step explanation:

For y-int, x=0

3(0)-9(y)=10.8

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y= -1.2

For x-int, y =0

3x - 9(0)=10.8

3x=10.8

x=3.6

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3 years ago