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GrogVix [38]
3 years ago
7

Education

Mathematics
1 answer:
dedylja [7]3 years ago
6 0

Answer:

252 ft2 (squared)

Step-by-step explanation:

area= a x b

area= 12 x 21

area= 252 ft2 (squared)

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Topic: Solving exponential equations. Solve for the value of x. 1. 5^x+1= 5^2x-3​
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X= 0.2034394 or 14.50799581 . I hope this helps
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I could really use some help on this one 1/2(b+14)=b+14÷2
konstantin123 [22]
B+14/2=b+14/2
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3 years ago
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BRAINLIEST FOR HELP PLZ
Kisachek [45]

Answer:

1,395 sq feet

Step-by-step explanation:

lets start with the area of the green cube b×h. 15×15=225. 225×5= 1125. I got five because there are 5 visible faces on the cube. to find the area of a triangle you use the formula 1/2 bh 9×15= 135 multiply that by 2 instead of one half because you have four triangular faces. add your areas together and you get 1395

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3 years ago
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Please help me I’m desperate and in need of hep‼️‼️‼️ Describe how to calculate the volume of a composite 3-D figure.
Ugo [173]

Answer:

To find the volume of a composite 3D figure, draw any necessary planes to view the figure as basic three dimensional figures, then:

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subtract basic figure volumes NOT belonging to the composite figure.

Step-by-step explanation:

5 0
2 years ago
9.12cm<br> 10.36cm<br> 11.34cm<br> 12.61cm
Vinvika [58]
Tan80 = QR / RS
QR = 5.67 (2)
QR = 11.34

answer

<span>11.34cm</span>
8 0
2 years ago
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