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maksim [4K]
3 years ago
13

When is a parallelogram also a rectangle?

Mathematics
1 answer:
Kamila [148]3 years ago
6 0
The answer is sometimes
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Find the value of x. No calculator needed. Leave the square root as a part of your answer.
aleksklad [387]

Answer:

5/V2=2.5×V2

Step-by-step explanation:

This is an isoscelle right triangle:

x²+x²=5²

2x²=5²

x=5/V2=5×V2/2=2.5×V2

where V2=sqrt(2)

4 0
3 years ago
Simplify the expression: 14x-5(6x-7)+18​
USPshnik [31]

Answer:

−16x+53

Step-by-step explanation:

Distribute

14−5(6−7)+18  

↓

14−30+35+18

Add

14−30+35+18

↓

14−30+53

Combine like terms

14−30+53

↓

−16+53

8 0
3 years ago
25000 rounded to the nearest ten thousand
kozerog [31]

Answer:

30000

Step-by-step explanation:

You round up because it is 5 or < making the 5 a 0 and the 2 a 3. Bringing in the extra 0's makes it 30,000

3 0
3 years ago
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Lapatulllka [165]

Answer:

The total surface is 48 ft

Step-by-step explanation:

5 0
3 years ago
Which expression is equal to 3(5+6)? <br><br>A. 15 + 18 <br>B. 15 + 6<br>C. 5 + 18 <br>D. 3 + 11
NARA [144]
A. 15+18 is the correct answer by using distribution property
6 0
3 years ago
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