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Harman [31]
3 years ago
8

Eli takes typing test and types 300 words in 1/10 hour. He takes the test a second time and types the words in 1/12 hour was he

faster or slower on the second attempt ??. Explain
Mathematics
1 answer:
marissa [1.9K]3 years ago
3 0
He was slower the second time because 1/10 > 1/12
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Solve for x<br> 2(4x-3)-8=4+2 x ; x = 3?
frozen [14]

Answer:

x=3

Step-by-step explanation:

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3 years ago
Name all of the sets to which the real number 60 belongs
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Natural, Whole, and Integers. Hopefully I helped :)
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Determine the intercepts of the line.<br> 9 = 8x - 18<br> y-intercept:<br> X-intercept:
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An art studio purchased a triangular plot of land in a town and constructed a new building whose base is in the shape of a right
Vinvika [58]

Answer:

The sides are 30 ft, 40 ft and 50 ft.

Step-by-step explanation:

The length of the triangle are as follows x - 4 , x + 6 and 2x - 18 . The hypotenuse should be 2x - 18 . The hypotenuse is the longest side of a right angle triangle.

Using Pythagoras theorem the length of the sides can be found.

a² + b² = c²

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(x - 4)(x - 4) + (x + 6)(x + 6) = (2x - 18)(2x - 18)

x²- 4x - 4x + 16 + x² + 6x + 6x + 36 = 4x² - 36x - 36x + 324

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2x² + 4x + 52 = 4x² - 72x +  324

2x² - 4x² + 4x + 72x + 52 - 324 = 0

-2x² + 76x - 272 = 0

2x² - 76x + 272 = 0

divide through by 2

x² - 38x + 136 = 0

find the number you can multiply to give you 136 and add to give you - 38. The number are - 34 and - 4.

x² - 4x - 34x + 136 = 0

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x - 4  = 34 - 4 = 30 ft

x + 6 = 34 + 6 = 40 ft

2x - 18 = 68 - 18 = 50 ft

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2 years ago
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yaroslaw [1]
The answer will be -50

8 0
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