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RUDIKE [14]
3 years ago
11

Question 9

Mathematics
1 answer:
vagabundo [1.1K]3 years ago
5 0

Answer:

6.9 miles.

Step-by-step explanation:

2.3mph x 3h=6.9m

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Triangles and algebra
Elanso [62]

Hello from MrBillDoesMath!

Answer:

x = 10


Discussion:

A plane triangle contains 180 degrees. Adding the angles in the triangle shown in  #8 gives

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Note the "right angle" shown in the triangle has been replaced by its 90 degree equivalent in the above equation.

Combining like terms gives


( 4x + 3x) + (7 + 13) + 90 = 180

7x + 20 + 90 = 180 =>                      (subtract 90 from each side)

7x + 20 + 90 - 90 = 180 - 90 = 90  =>

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Thank you,

MrB

3 0
3 years ago
I NEED HELP
kogti [31]

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Step 2:  Multiply each side by  5.

If you don't arrive at the solution  y= -50 , then return to Step-1
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Step-by-step explanation:

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