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REY [17]
3 years ago
5

A dance floor is in the shape of a rectangle.

Mathematics
1 answer:
Vinvika [58]3 years ago
5 0

Answer:

86 meters

Step-by-step explanation:

27+27+16+16=54+32=86 meters

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marusya05 [52]

Answer:

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3 0
3 years ago
20 is 60% of what number
Lilit [14]

Answer:

33.33

Step-by-step explanation:

60% of 33.33 is 20. 100% of 33.33 is 33.33, therefore 60 percent of 33.33 equals 20.

3 0
3 years ago
Read 2 more answers
If 1/4 of x is 1/5, what is x
mamaluj [8]

Answer:

4/5

Step-by-step explanation:

if 1/4 of x is 1/5 that means there is 4 sets of 1/5

so 4*1/5= 4/5

your answer is 4/5

3 0
3 years ago
Read 2 more answers
A ______ is a testable claim or statement, that is yet to be tested, concerning the relationship among variables that can be obs
Arisa [49]

Answer:

Hypothesis                                              

Step-by-step explanation:

Hypothesis:

  • It is an assumption or explanation that need to be tested.
  • It determines the claim in the testing.
  • There are two types of hypothesis: Null hypothesis and alternate hypothesis.
  • Null hypothesis says that the sample is taken from the population.
  • Alternate hypothesis states that the sample does not belong to the defined population.

A hypothesis is a testable claim or statement, that is yet to be tested, concerning the relationship among variables that can be observed.

6 0
4 years ago
A rectangular photograph has an area of 65 square inches. If the length of the photo is 3 inches less than twice it's height, fi
tankabanditka [31]
A = L * H
A = 65
L = 2H - 3

65 = H(2H - 3)
65 = 2H^2 - 3H
-2H^2 + 3H + 65 = 0
(-Hh + 13)(H + 5) = 0

-2H + 13 = 0
-2H = -13
H = -13/-2
H = 6.5 <== height is 6.5 inches

H + 5 = 0
H = -5....this wont work because it is negative

L = 2H - 3
L = 2(6.5) - 3
L = 13 - 3
L = 10 <== length is 10 inches


4 0
3 years ago
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