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MatroZZZ [7]
3 years ago
7

Please please help help me please please!!!

Mathematics
2 answers:
lianna [129]3 years ago
5 0
Blank 1: -5
Blank 2: E
insens350 [35]3 years ago
4 0
Blank 1: -5
Blank 2: E
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Surface area and volume of a regular triangular pyramid that has a base edge of 16 cm and a slant height of 15 cm
Schach [20]

Answer:

a) Surface area = 616 cm²

b) Volume = V = 1083 cm³

Step-by-step explanation:

Surface area and volume of a regular triangular pyramid that has a base edge of 16 cm and a slant height of 15 cm

a) Formula for surface area = Base area × 1/2(perimeter × slant height)

Base area = Base edge²

=( 16 cm)² = 256 cm²

Perimeter = Base edge × 3

= 16 cm × 3 = 48 cm

Hence:

Surface Area = 256 cm² + 1/2(48 × 15)

= 256 cm² + 360 cm²

= 616 cm²

b) Volume = 1/3 × Base area × Height

1082.758616785cm³

Approximately = 1083 cm³

8 0
2 years ago
Reduce the following fractions to lowest terms: 36/39
liubo4ka [24]

Answer:

12/13

Step-by-step explanation:

36/39

Divide by 3

12/13

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2 years ago
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What’s the question?
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Is the measure of In the diagram below , overline XY and are tangent to A. 90 B. 180 C. 100 D. 130
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The variable in a relation who’s value depends on the value of the independent variable is called what?
Viefleur [7K]
That is called the dependent variable. It depends upon the value of the independent variable.

f(x)=y

So we can see by inspection that the dependent variable y value depends upon the input value of the independent variable x

Any questions please feel free to ask. Thanks
3 0
3 years ago
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