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Cloud [144]
3 years ago
6

Someone plz help to become brainliest and get points !! :) plz answer truthfully

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

Answer:

B

Step-by-step explanation:

The volume (V) of a rectangular prism is calculated as

V = length × width × height

Calculate the volume of each prism

Q → V = 8 × 4 × 5 = 60 ft³

R → V = 6 × 7 × 12 = 504 ft³

S → V = 4 × 10 × 12 = 480 ft³

T → V = 2 × 13 × 5 = 130 ft³

Prism R has the greatest volume → B

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Identify the surface with the given vector equation. r(u, v) = 2 sin(u) i + 5 cos(u) j + v k, 0 ≤ v ≤ 5 plane hyperbolic parabol
olchik [2.2K]
Note that this just produces three parametric equations:

x(u) = 2 \sin(u)
y(u) = 5 \cos(u)
z(v) = v

In the x-y plane, this is just he parametric equation for an ellipse (as a function of u). The z is simply a linear function. 

The surface is then an ellipse extruded along the z-axis. We get a elliptic cylinder.
6 0
3 years ago
Can u guys PLEASE do this question.
natali 33 [55]

4.5\% \:  \: of \: 2000

\frac{4.5}{100}  \times 2000

4.5 \times 20 = 90

<h2>so Bryce get 90 dollars extra for his sale and his monthly salary is 5000 dollars. Therefore he get 5090 dollars in the last of the month as salary. </h2>
7 0
3 years ago
Me ayudan con esa ecuacion por sustitucion con la comprobacion pliss
attashe74 [19]
<span>1/2x+3y/4=5 => (1/2)x + (3/4)y = 5

1/5x+3y/2=2  => (1/5)x + (3/2)y = 2

Eliminate the fractional coefficients:  Mult. the first equation by 4 and mult. the second equation by 10:


2x + 15y = 20     

</span><span>Multiply the 1st equation by -1:

-</span>2x - 3y = -20
2x + 15y = 20 
-------------------
       12y = 0, so y = 0.  Then the first equation becomes  2x + 3(0) = 20, or
                                     x=10.

Solution is (10,0).
8 0
3 years ago
Expand and simplify 3(2a+3b)+2(a+2b)
ICE Princess25 [194]

Answer:

8a+13b

Step-by-step explanation:

First start by multiplying the coefficient with the parantheses.

3(2a+3b)+2(a+2b)

6a+9b+2a+4b

8a+13b

This equation cannot be further simplified.

5 0
3 years ago
Read 2 more answers
What does the expression (x+3)(9) represent
Dominik [7]

Answer:

evaluate 9(x+3)

expand 9x+27

Step-by-step explanation:

i think i am sorry if i am wrong

3 0
2 years ago
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