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Paraphin [41]
3 years ago
8

Please help? On math?

Mathematics
1 answer:
Molodets [167]3 years ago
4 0
6.4^2 + 3.5^2 = c^2\\\\40.96 + 12.25 =c^2\\\\c^2 = 53.21\\\\c=\sqrt{53.21}\\\\\boxed{\bf{c = 7.3~cm}}
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Match each condition to the number of quadrilaterals that can be constructed to fit the condition.​
Sedbober [7]

Answer:

See the explanation.

Step-by-step explanation:

Condition A.  

A rectangle with four right angles  

There can be many quadrilaterals satisfying this condition.

Condition B.

A square with one side measuring 5 inches

There can be only one quadrilateral satisfying this condition.

Condition C.

A rhombus with one angle measuring 43°

There can be many quadrilaterals satisfying this condition.

Condition D.

A parallelogram with one angle measuring 32°

There can be many quadrilaterals satisfying this condition.

Condition E.

A parallelogram with one angle measuring 48° and adjacent sides measuring 6 inches and 8 inches.

There can be only one quadrilateral satisfying this condition.

Condition F.

A rectangle with adjacent sides measuring 4 inches and 3 inches.

There can be only one quadrilateral satisfying this condition.  

(Answer)

5 0
3 years ago
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If a boat goes down stream 72 milesind upstream 60 miles in 6 hours, the rate of the river and the rate of the boat in still wat
andre [41]

Answer:

Speed of boat in still water = 11 miles per hour.

Step-by-step explanation:

Speed = distance / time

or

Distance= Speed * time

Let s be speed of the boat upstream and r be the speed of the river.

Then

Upstream speed=  s- r = 60/6= 10 miles per hour

Downstream speed= s+r= 72/6= 12 miles per hour

Therefore

s-r= 10--------- equation A

s+r= 12--------- equation B

Adding equation A and Eq. b

s-r= 10--------- equation A

<u>s+r= 12--------- equation B     </u>

<u>2s    = 22                             </u>

<u />

or

s= 22/2= 11 miles per hour.

Speed of boat in still water = 11 miles per hour.

3 0
2 years ago
Divide. Write the quotient in lowest terms.<br> Help PLSSS I will give brainest
Vlad [161]

Answer:

10

Step-by-step explanation:

7 0
2 years ago
What is 11 -2/11 plz answer this
Anestetic [448]

Answer:

9/11

Step-by-step explanation:


8 0
3 years ago
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Find the area of a circle with the circumference 32pi
Stella [2.4K]

Answer:

A=πr2

C=2πr

Solving forA

A=C2

4π=322

4·π≈81.48733

5 0
3 years ago
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