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KATRIN_1 [288]
3 years ago
12

6)

Mathematics
1 answer:
Rashid [163]3 years ago
3 0

Answer:

Larger rocket: 36 kiloliters

smaller rocket: 24 kiloliters

Step-by-step explanation:

Lets assign the letters: "L" to the number of kiloliters the "Larger" rocket gets, and "S" to the number of kiloliters that the "Smaller" rocket gets.

We can create two equations from the words given in the problem:

First equation: <em>A total of 60 kiloliters is to be used for "L" plus "S"</em>:

which gives us: L+S=60

Next equation comes from the words: "<em>The smaller rocket receives 12 kiloliters less than the larger rocket</em>"

which gives us: S=L-12

Now we can use this last equation to replace for the "S" unknown in the first equation (and thus reducing the problem to one equation with one unknown (L), that one can easily solve):

L+S=60\\L+(L-12)=60\\2L-12=60\\2L=60+12\\2L=72\\L=\frac{72}{2}\\ L=36

Therefore the amount of fuel that the larger rocket gets is 36 kiloliters.

And using the equation  "S = L - 12" we get: S=36-12=24

Which tells us that the smaller rocket gets 24 kiloliters of fuel.

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4 years ago
11. Keng creates a painting on a rectangular canvas with a width that is four inches longer
GrogVix [38]

Part A

<h3>Answer:  h^2 + 4h</h3>

-------------------

Explanation:

We multiply the length and height to get the area

area = (length)*(height)

area = (h+4)*(h)

area = h(h+4)

area = h^2 + 4h .... apply the distributive property

The units for the area are in square inches.

===========================================================

Part B

<h3>Answer:  h^2 + 16h + 60</h3>

-------------------

Explanation:

If we add a 3 inch frame along the border, then we're adding two copies of 3 inches along the bottom side. The h+4 along the bottom updates to h+4+3+3 = h+10 along the bottom.

Similarly, along the vertical side we'd have the h go to h+3+3 = h+6

The old rectangle that was h by h+4 is now h+6 by h+10

Multiply these expressions to find the area

area = length*width

area = (h+6)(h+10)

area = x(h+10) ..... replace h+6 with x

area = xh + 10x .... distribute

area = h( x ) + 10( x )

area = h( h+6 ) + 10( h+6 ) .... plug in x = h+6

area = h^2+6h + 10h+60 .... distribute again twice more

area = h^2 + 16h + 60

You can also use the box method or the FOIL rule as alternative routes to find the area.

The units for the area are in square inches.

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3 years ago
NEED HELP PLEASE!!!! (10 PTS)
slavikrds [6]
Tigers:-

f(t)  = 7(1 + 0.1)^2   where t = number of years

Eagle 

g(t)  =  15 + 2t


B  after ten year  number tigers = f(t) = 7(1 + 0.1)^10  =   18

  number of eagles = 15 + 10(2) = 35

C when the number of tigers = number eagles the 2 functions will be equal;-

f(t) = g(t)  that is:-

7* 1.1^t  = 15 + 2t

solve for t
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3 years ago
Two ratios that are equvalent to 27:9
Alex787 [66]

Answer:

Step-by-step explanation:

hello :

hello :

1) divid by 3 :   27:9= 9/3

2) 9/3 = 3/1

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3 years ago
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Drag each figure to show if it is similar to the figure shown or why it is not similar.
schepotkina [342]

Answer:

Step-by-step explanation:

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Moving from left to right:

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The fifth figure is not similar because of shape

The last figure is similar because the ratio is the same with 6/10 or 0.6

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