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Neporo4naja [7]
3 years ago
8

Use heron's formula to find the area of the triangle. round to the nearest square unit

Mathematics
1 answer:
GarryVolchara [31]3 years ago
3 0
Did the question give you any lengths of the sides?
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An augmented matrix for a system of linear equations in x, y, and z is given. Find the solution of the system.
Angelina_Jolie [31]

Answer:

  (x, y, z) = (-4, 2, 1)

Step-by-step explanation:

See the attachment for the output of a calculator that produces the reduced row-echelon form of the matrix.

The [x, y, z] result vector is the column on the right.

  (x, y, z) = (-4, 2, 1)

_____

Numerous web sites are available for computing the row-reduced form of the matrix, or for solving the system of equations. Your graphing calculator will do it as well.

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3 years ago
Write the number in standard form.<br><br> 7×10^7
mamaluj [8]
7×10^7 = 70000000 (10^7 = 10000000)
4 0
3 years ago
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How does using a model help me multiply decimals by whole numbers?
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Counting them it simple
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3 years ago
If the discount is 36% and the sale price is $32 what was the original price
jok3333 [9.3K]

Answer:

89

Step-by-step explanation:

100/36= 2.77777778

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89

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3 years ago
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What does x and y equal
GaryK [48]

Answer:

x=5, y=-3

Step-by-step explanation:

we can find the answer by plugging in x=3y+14 to the second equation

5(3y+14)-2y=31

simplify

15y+70-2y=31

13y=-39

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now, plug in this to the initial equation x=3y+14

x=3(-3)+14

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3 years ago
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