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Gnoma [55]
2 years ago
7

What is the total surface area of this rectangular pyramid?

Mathematics
2 answers:
earnstyle [38]2 years ago
7 0

Answer:

(C) 225

Step-by-step explanation:

I took test on edge 2021 got 100%

umka2103 [35]2 years ago
4 0

Answer:

225 square feet

Step-by-step explanation:

the base of the pyramid would be 76 ft², since 12*6=72. Then you get the surface area of the sides. 2 of the sides would be 48 ft², since (12*8)/2=48. The other 2 sides would be 28.5 ft², since (6*9.5)/2-28.5. Then you just add the surface areas of all the sides; 76+48+48+28.5+28.5 to get 225.

Hope this helps! :)

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Help! I will give brainliest!!!!
Strike441 [17]

Answer:

3.14     (or pi )  feet  

Step-by-step explanation:

Entire circle circumference  = pi *d  = 8 pi    feet

45 degrees is a fraction of the entire 360 degrees of the circle

   45 / 360  *  8 pi = pi =  3.14 ft

4 0
2 years ago
What is the volume of the cone with a diameter of 9ft and a height of 15ft? Use the formula v - 5 nr?h. Use 3.14 for 5 and round
Juli2301 [7.4K]

Answer:

V≈318.09ft³

Step-by-step explanation:

V=πr2h/3

=π·4.52·15/3

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3 years ago
Jackson has a gift card for $120 to use at a department store. he wants to purchase 2 shirts and 3 pairs of pants with his gift
mylen [45]
  • The domain of this relationship can be defined as,

0 ≤ x ≤ 60

  • The range of this relationship can be defined as,

0 ≤ y ≤ 40

Definition of Domain and Range

The set of  all the possible input values for which the provided function is defined is termed as the domain of that function.

The set of all the possible values that a given function can generate as an output is termed as the range of that function.

Forming the Relation

It is given that,

  • Jackson wants to purchase 2 shirts and 3 pairs of pants with his gift card
  • x represents the cost of the shirts and y represents the cost of the pants
  • The limit of the gift card = $120

Thus, the relation formed is given by,

2x + 3y \leq  120

Domain and Range of the Given Relation

We have,

2x + 3y \leq  120

⇒ 2x \leq 120

⇒ x\leq60

Thus, the domain is given by,

⇒ 0\leq x\leq 60

Similarly,

3y\leq 120

⇒ y\leq 40

Thus, the range is given by,

⇒ 0\leq y\leq 40

Learn more about domain and range here:

brainly.com/question/1632425

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7 0
2 years ago
line v has an equation of y=10/9x +1. Line w includes the point (-3,3) and is perpendicular to line v. What is the equation of l
NARA [144]

Answer:

y = -9/10x + 3/10 or y = 3/10(1 - 3x)

Step-by-step explanation:

Perpendicular lines have slopes that are negative reciprocals of one another

so slope of line w is -9/10

Using (-3,3) >> y = -9/10x + b

3 = -9/10(-3) + b

3 = 27/10 + b

b = 3 - 27/10 = 30/10 - 27/10 = 3/10

y = -9/10x + 3/10 or y = 3/10(1 - 3x)

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