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juin [17]
3 years ago
5

PLEASE HELP, SOLVE THIS PROBLEM AND GIVE ME THE ANSWER!!!

Mathematics
1 answer:
Pachacha [2.7K]3 years ago
6 0

Answer:

(B) is the answer according to my calculations

Step-by-step explanation:

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A triangular pyramid has a base with an area of 43 cm squared and lateral faces with bases of 10 cm and heights of 8.6 cm. What
Jet001 [13]

Answer:

The total surface area of triangular pyramid is 172 cm squared

Step-by-step explanation:

Triangular pyramid:

  • Number of faces 4.
  • Number of vertices of a triangular pyramid is 6.
  • The volume  is \frac13 AH. A= area of the pyramid's base and H= height of the pyramid.
  • The surface area of triangular pyramid B+L. B= area of base, L= area of lateral surface.

Given that, the area of the base is 43 cm squared. Lateral faces with bases of 10 cm and heights 8.6 cm.

The 3 sides of the triangular pyramid is triangle in shape.

The area of triangle is \frac12 \times base \times height.

The lateral surface area of the triangular pyramid is

=3(\frac12 \times base \times height)

=3(\frac12\times 10\times8.6) cm squared

=129 cm squared

The total surface area of triangular pyramid is

=Area of the base + lateral surface area

=(43+129) cm squared

=172  cm squared

8 0
4 years ago
The poster is 25cm wide. how high is the poster
sergejj [24]

You can not work it out because we do not know the shape or the other properties of this poster.

Sorry for not being able to answer it.

3 0
3 years ago
Find the range of the function for the given domain, f(x)=3x+3; (-2,-1,0,1,2)
stich3 [128]

Answer:

Range: (-3,0,3,6,9)

Step-by-step explanation:

We need to evaluate each value in the domain of the function, so

f(-2)=3(-2)+3=-6+3=-3

f(-1)=3(-1)+3=-3+3=0

f(0)=3(0)+3=0+3=3

f(1)=3(1)+3=3+3=6

f(2)=3(2)+3=6+3=9

8 0
3 years ago
Pete went to the store. He bought 3 pounds of chili peppers, 5 pounds of habanero peppers,
tangare [24]
Chili peppers: 3 pounds x $2 per lb = $6
Habanero peppers: 5 pounds x $2 per lb = $10
Red bell peppers: 1 pound x $2 = $2
6+10+2= $18 dollars spent total
6 0
2 years ago
Use the given vertices to graph quadrilateral TUVW and its image after a dilation centered at the origin with scale factor
Mademuasel [1]

Answer:We know that the dilation transformation of a figure either shrink or expand the original figure depending on the scale factor of the dilation.

As here we have scale factor=3>1.

Hence, the dilation  changes the original will expand the original figure.

Hence, each of the coordinate of a figure get multiplied by 3.

Hence, the co

ordinates of the image are given as:

i.e. A(0,0) → A'(0,0)

B(2,3) → B'(6,9)

C(1,-2) → C'(3,-6)

D(-3,-3) → D'(-9,-9)

Step-by-step explanation:

5 0
1 year ago
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