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Alexus [3.1K]
1 year ago
14

Find the area of a triangle with base 21 inches and the height 8 inches

Mathematics
1 answer:
ankoles [38]1 year ago
6 0

Answer:

84in²

Step-by-step explanation:

this is very easy

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Rewrite this expression using appropriate conventions.<br><br> (a+a+a+a) / 5
Elza [17]

Answer:

4a/5

Step-by-step explanation:

(a+a+a+a) / 5

Combine like terms

4a/5

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3 years ago
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A line passes through the two given points. Is it vertical, horizontal,or neither? (-1, -1), (-2, -1)
solniwko [45]
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One increased by 7 times a number is the same as 5 times the number plus 25
sammy [17]

Answer:

12

Step-by-step explanation:

Let the number = x

7x + 1 = 5x + 25                 Subtract 5x from both sides.

7x - 5x + 1 = 5x - 5x + 25   Combine

2x + 1 = 25                          Subtract 1 from both sides.

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x = 12

4 0
3 years ago
Please I really need help on this.
Molodets [167]

Answer:

C

Step-by-step explanation:

\sqrt{23}=4.79

3 0
3 years ago
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