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3 years ago

I don't understand this

Mathematics

2 answers:

gulaghasi [49]3 years ago

8 0

Step-by-step explanation:

Find volume of pyramid

Formula for volume of pyramid

= (height * length * width) ÷ 3

Height = 4mm

B (base = area = length x width) =15mm^2

Volume = (4mm * 15mm^2) ÷ 3

= 60 ÷ 3

= 20 mm^3

Yanka [14]3 years ago

6 0

Answer:

Step-by-step explanation:

20mm^3

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What is the equation for the circle with the center (11,6) and passes through the point (17,12)

MissTica

Answer:

The answer to your question is the letter D. (x - 11)² + (y - 6)² = 72

Step-by-step explanation:

Data

Equation = ?

Center = (11, 6)

Point = (17, 12)

Process

1.- Calculate the length of the radius using the distance between two points formula.

d = $\sqrt{(x2 - x1)^{2}+ (y2 - y1)^{2}}$

x1 = 11 y1 = 6

x2 = 17 y2 = 12

-Substitution

d = $\sqrt{(17 - 11)^{2}+ (12 - 6)^{2}}$

d = $\sqrt{6^{2} + 6^{2}}$

d = $\sqrt{36 + 36}$

d = $\sqrt{72}$

radius = $\sqrt{72}$

2.- Write the equation of the formula

(x - 11)² + (y - 6)² = ( $\sqrt{72}$ )²

Result

(x - 11)² + (y - 6)² = 72

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