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siniylev [52]
3 years ago
12

Topic 4 Pythagorean Theorem Practice 11/18

Mathematics
2 answers:
jasenka [17]3 years ago
7 0
7. ≈6.9
8.≈5.2
9.≈ 7.1
10.≈ 7.6
11. ≈6.7
12.≈ 5.7
omeli [17]3 years ago
4 0
7) 8.9
8) 6.7
9) 12.2
10) 7.6
11) 7.3
12) 6.3
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How can you tell Is something is a unit rate
ArbitrLikvidat [17]

Unit rate is a ratio between two different units with a denominator of one. When we divide a fraction's numerator by its denominator, the result is a value in decimal form. For example: 8/4 = 2 and 3/6 = 0.5. When we write numbers in decimal form, we can write them as a ratio with one as the denominator.

For example, we can write 2 as 2/1, and 0.5 as 0.5/1. However, since that approach can be a little clumsy, we usually drop the one. That said, it's important to remember the one is there, especially when working with unit rates.

For instance, 8 miles/4 hours = 2 miles/hour. Notice again that, while we did not include the 1, we did include the unit 'hour' Miles per hour is a familiar expression, as are unit rates such as:

interest/amount invested

revolutions/minute

salary/year

Conversationally, the word ''per'' indicates we are using a unit rate.

4 0
3 years ago
What is the radius of the cone?
gayaneshka [121]

Answer:

r = 6 in

Step-by-step explanation:

V = \pi r^{2} \frac{h}{3} = 216\pi

r²h/3 = 216

r² (18/3) = 6 r² = 216

r² = 216/6 = 36

r = 6

3 0
2 years ago
How can you construct perpendicular lines and prove theorems about perpendicular lines
omeli [17]

Answer:

See descriptions below.

Step-by-step explanation:

To construct a perpendicular bisector, draw a line segment. From each end of the line segment, draw arcs above and below which intersect from each side. Be sure to maintain the same radius on each. Where the arcs intersect above and below, mark points. Connect these two points. This is a perpendicular bisector.

To prove theorems about parallel lines, use angle relationships. For instance, when two parallel lines are cut by a transversal, specific angle are congruent. When these relationships are congruent, you must have parallel lines:

  • Alternate Interior
  • Alternate Exterior
  • Corresponding Angles
  • Same side interior add to 180
7 0
3 years ago
Q)David bed is 9 inches longer than his desk His desk is 66 inches long .
Luda [366]

Answer:75 inches

Step-by-step explanation: 9+66=75

=75 inches

8 0
3 years ago
Read 2 more answers
Is 2 +43 negative or postive ?
Vlada [557]

Answer:

Positive...

2+43

equals 45

Step-by-step explanation:

hope this helps

6 0
3 years ago
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