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Yakvenalex [24]
3 years ago
10

SOMEONE PLEASE HELP ME! I promise i will mark brainlest, but i need the right answer for this. help is much appreciated <3

Mathematics
1 answer:
Dafna1 [17]3 years ago
5 0

Answer:

I say A or B but in favor A

Step-by-step explanation:

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A pedestal for a statue is made with 405 cubic feet of concrete. a rectangular prism with a height of 9 feet. what is the area o
enyata [817]

45 square feet is the area of the base of the pedestal.

what is rectangular prism?

  • A rectangular prism is a 3D figure with 6 rectangular faces.
  • To find the volume of a rectangular prism, multiply its 3 dimensions: length x width x height. The volume is expressed in cubic units.

we know that

The volume of the pedestal (rectangular prism) is given by the formula

   V =   B × h

where

B is the area of the rectangular base of pedestal

V = 405 ft³

h = 9 ft

put the given values in the formula and solve for B

405 = B × 9

B = 405/9

B = 45 ft²

Therefore, 45 square feet is the area of the base of the pedestal.

Learn more about rectangular prism

brainly.com/question/21308574

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3 0
1 year ago
Maria's book is longer than Brandon S. The
Vlad1618 [11]

Let the length of maria's book be a and that of Brandon's be b.

So, by the question,

the difference in length of books is 56

i.e. a-b=56------(1)

and the length of books all together is 348

i.e. a+b=348------(2)

Adding (1) and (2);

(a-b)+(a+b)=56+348

or, a-b+a+b=404

or, 2a=404

or, a=202

substitutting the value of a in (2),

202+b=348

or, b=146

therefore, the length of Maria's book is 202

and the length of Brandon's book is 146.

6 0
3 years ago
ABCD is a parallelogram.
kow [346]

Opposite sides of a parallelogram are equal lengths, so ...

... AB = CD

... 6x +30 = 2y -10

and

... BC = AD

... 2x -5 = y -35

_____

The equations can be put in standard form to get

... 3x -y = -20

... 2x -y = -30

Subtracting the second from the first, we get

... x = 10

Solving for y, we have

... y = 2x+30 = 2·10 +30 = 50

The values of x and y are x=10, y=50.

_____

AB = 6x+30 = 90

BC = 2x-5 = 15

3 0
3 years ago
2.5(25) +75<br><br><br> Haha I don’t really understand this!
Evgen [1.6K]

Answer:

137.5

Step-by-step explanation:

5 0
2 years ago
When Marie solved a system using substitution, she got 0 = 0. What can Marie conclude? The system of equations does not have a s
scZoUnD [109]

Answer:

ok

Step-by-step explanation:

7 0
3 years ago
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