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salantis [7]
3 years ago
11

Solve each system of equations below by the substitution method. And show your work.

Mathematics
1 answer:
Simora [160]3 years ago
7 0
Instead of typing it all on here, I included my explanations with the work.

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If KM is drawn on this quadrilateral, what will be its length ???
torisob [31]
It should be 18 units

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50 calories how many in one cracker
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Answer: depends on the type of cracker

Step-by-step explanation:

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3 years ago
Creative landscaping has 60 yards of fencing with which to enclose a rectangular flower garden. If the garden is X yards long, e
7nadin3 [17]

Answer:

\texttt{Area = Length x Width}\\\\\texttt{Area =}x\times (30-x)=30x-x^2\\\\\texttt{Area =}30x-x^2

<h3>Area, A(x) = 30x - x² , as a function of the length (x).</h3>

Step-by-step explanation:

Creative Landscaping has 60 yard of fencing with which to enclose a rectangular garden.

If the garden is X yards long, express the Gardens area as a function of length

Let x be the length of garden

So perimeter of rectangle = 60 yard

Perimeter = 2 * ( Length + width)

60 = 2 * ( x + width)

Width = 60/2 - x

Width= 30 - x

\texttt{Area = Length x Width}\\\\\texttt{Area =}x\times (30-x)=30x-x^2\\\\\texttt{Area =}30x-x^2

<h3>Area, A(x) = 30x - x² , as a function of the length (x).</h3>

3 0
4 years ago
How would I answer a question if it would be like this (a= -9 and b= -4)
Reika [66]

Answer:

712

Step-by-step explanation:

So what you do is you have to substitute -9 for a and -4 b.

7(-4)^2 +5((-9)(-4)-6)=

=7(16)+5(30)=

=112+600=

=712

7 0
3 years ago
Read 2 more answers
4. If it is 5° outside and the temperature will drop 17° in the next six hours, how cold will it get?​
stiks02 [169]

The dropping degree temperature will be  -12°.

<h3>what is temperature drop?</h3>
  • Temperature is a physical quantity that expresses the hotness of matter or radiation.
  • Temperature drop (T1 −T 2) is a direct indication of energy extracted.
  • For a given resource, it is dependent on T 2 which is in turn dependent on the minimum temperature of the process T1
  • when the thermal conductivity is low and the coefficient of thermal expansion is large. In unsteady heat-exchange processes the maximum possible temperature drop usually determines the maximum rate at which heat exchange can occur.

A drop of 17 degrees means subtract 17  from given temperature

∴5°-17°=-12°

so, the Temperature drop will be -12°

To learn more about temperature drop,

https://brainly.in/question/3764519

#SPJ9

3 0
2 years ago
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