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Aleonysh [2.5K]
3 years ago
6

A triangular pyramid has a base with an area of 21.8 square meters, and lateral faces with bases of 7.1 meters and heights of 9

meters. Enter an expression that can be used to find the surface area of the triangular pyramid.
Mathematics
1 answer:
Ymorist [56]3 years ago
8 0

Answer:

Step-by-step explanation:

A triangular pyramid has a base with an area of 21.8 square meters, and lateral faces with bases of 7.1 meters and heights of 9 meters. Enter an expression that can be used to find the surface area of the triangular pyramid.

The expression is written as:

Surface Area = Area of the base + 1/2( Perimeter × Slant height)

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Do a and b have the same value in the equations 2(a-1.1)=5.8 and 5/2b-2 3/4=7 1/4
luda_lava [24]

Answer:

  • Yes

Step-by-step explanation:

Solve each equation and compare the solutions

1.

  • 2(a - 1.1) = 5.8
  • a - 1.1 = 5.8/2
  • a - 1.1 = 2.9
  • a = 2.9 + 1.1
  • a = 4

2.

  • (5/2)b - 2 3/4 = 7 1/4
  • 2.5b = 7 1/4 + 2 3/4
  • 2.5b = 10
  • b = 10/2.5
  • b = 4

Both a and b have same value

6 0
2 years ago
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tankabanditka [31]

Answer:

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5 power 3= 125

10 power 2 over 2= 50

Step-by-step explanation:

6 0
3 years ago
Write the equation of the line that is parallel to y=-2/3x+4 and passes through the point (3, -8).Quickest=BRAINLIEST
Alex73 [517]

Answer:

parallel= -\frac{2}{3}

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y-intercept(s):  ( 0 , 4 )

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6 0
3 years ago
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How do I factor w^2 + 16?
sdas [7]

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Step-by-step explanation:

3 0
3 years ago
ASAP!!!!!!<br><br> Y-9=4(X+2)
Artemon [7]
SimplifyingY + -9 = 4(x + -2)
Reorder the terms:-9 + Y = 4(x + -2)
Reorder the terms:-9 + Y = 4(-2 + x)-9 + Y = (-2 * 4 + x * 4)-9 + Y = (-8 + 4x)
Solving-9 + Y = -8 + 4x
Solving for variable 'Y'.
Move all terms containing Y to the left, all other terms to the right.
Add '9' to each side of the equation.-9 + 9 + Y = -8 + 9 + 4x
Combine like terms: -9 + 9 = 00 + Y = -8 + 9 + 4xY = -8 + 9 + 4x
Combine like terms: -8 + 9 = 1Y = 1 + 4x
SimplifyingY = 1 + 4x
8 0
3 years ago
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