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Gnesinka [82]
1 year ago
7

What is the surface area of the composite solid? a rectangular prism with a length of 2 meters, width of 8 meters, and height of

2 meters. a rectangular prism with a length of 2 meters, with of 3 meters, and height of 11 meters. 119 m2 146 m2 162 m2 174 m2
Mathematics
2 answers:
stealth61 [152]1 year ago
7 0

Answer:

its c

Step-by-step explanation:

i took the test

Anna007 [38]1 year ago
4 0

Using the formula for the surface area of a rectangular prism, the surface area of the composite solid is: C. 162m²

<h3>What is the Surface Area of a Rectangular Prism?</h3>

Surface area of a rectangular prism = 2(wl+hl+hw)

Surface area of the composite shape = surface area of the larger prism + surface area of the smaller prism - area of the face both prisms are joined together

Surface area of the larger prism = 2(wl+hl+hw) = 2(2×3 + 9×3 + 9×2) = 102 m²

Surface area of the smaller prism = 2(wl+hl+hw) = 2(2×8 + 2×8 + 2×2) = 72 m²

Area of the face both prisms are joined together = 2(l×w) = 2(3 × 2) = 6 m²

Surface area of the composite shape = (102 + 72) - 12 = 162m²

Learn more about surface area of rectangular prism on:

brainly.com/question/1310421

#SPJ4

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6) Solve for x. 2/3 (x + 7) = 10 <br><br> A)22 <br><br> B)8 <br><br> C)- 1 /3 <br><br> D)41/ 3
Amiraneli [1.4K]

For this case we must find the value of the variable "x" of the following equation:

\frac {2} {3} (x + 7) = 10

We multiply by 3 on both sides of the equation:

2 (x + 7) = 30

We divide between 2 on both sides of the equation:

(x + 7) = 15\\x + 7 = 15

We subtract 7 on both sides of the equation:

x = 8

Answer:

Option B

7 0
2 years ago
The grid shows Figure Q and its image Figure Q′ after a transformation.
Svetach [21]

The transformation of pentagon Q to pentagon Q' is a clockwise rotation of 180° about the origin.

<h3>What is transformation?</h3>

A transformation is a general term for four specific ways to manipulate the shape or position of a point, a line, or a geometric figure.

We have,

Coordinates of a pentagon Q.

(2, 4), (3, 7), (7, 5), (5,4), and (4,2).

Coordinates of pentagon Q'.

(-2, -4), (-3, -7), (-7, -5), (-5,-4), and (-4,-2).

We see that the coordinates of each point of the pentagon Q have changed their position as negative coordinates in pentagon Q'

The coordinates of pentagon Q are in (x, y) which can be assumed to be in the first quadrant of the coordinate plane.

The coordinates of pentagon Q' are in (-x, -y) which is in the 3rd quadrant.

From the first quadrant to 3rd quadrant there is a rotation of 180°.

Thus the transformation of pentagon Q to pentagon Q' is a clockwise rotation of 180° about the origin.

Learn more about transformation here:

brainly.com/question/4458799

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8 0
10 months ago
I need help with #6 <br> Can u also show work ?
Anit [1.1K]

Answer:

the answer is a when you do the math while b and c and d all keep going bit a stops and can no loneger be changed

Step-by-step explanation:

1. distribute 2 to what is in the parentheses ( you should get x over 3 +10)

2. combine both x over 3

cancel out the x and get 6

your answer wpuld be 6 = 10

5 0
3 years ago
What is t÷5-4=9 what is t ??
Sophie [7]
Add 4 to boh sides
t/5+4-4=9+4
t/5+0=13
t/5=13
times 5/1 both sides
5t/5=5*13
1t=65

t=65
7 0
3 years ago
Find the quotient 7/9÷5/6
Veseljchak [2.6K]
<span>=<span>14/15</span></span><span>(Decimal: 0.933333)</span>
5 0
3 years ago
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