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alexandr402 [8]
3 years ago
5

72 ft 30 ft What is the length of the hypotenuse?

Mathematics
1 answer:
LenKa [72]3 years ago
6 0

Answer:

78ft

Step-by-step explanation:

a^2 + b^2 = c^2

72^2 + 30^2 = 6084

square root 6084 to get 78

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1hole minus two thirds
just olya [345]
One third left behind
7 0
3 years ago
Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 56.6 d
Harlamova29_29 [7]

Answer:

Computed mean = 51.6

Actual mean > computed mean

Step-by-step explanation:

Low temp. - - Freq(f) - - midpoint(x) - - fx

40−44 - - - - - 2 - - - - - - - 42 - - - - - - 84

45−49 - - - - - 7 - - - - - - - 47 - - - - - - 329

50−54 - - - - - 9 - - - - - - - 52 - - - - - - 468

55−59 - - - - - 5 - - - - - - - 57 - - - - - - 285

60−64 - - - - - 2 - - - - - - - 62 - - - - - - 124

Mean (m) = Σ(fx) / Σ(f)

Σ(fx) = 84 + 329 + 468 + 285 + 124 = 1290

Σ(f) = 2 + 7 + 9 + 5 + 2 = 25

Mean (m) = 1290 / 25

Computed mean (m) = 51.6

Actual mean = 56.6

Actual mean > computed mean

56.6 > 51.6

7 0
3 years ago
20 POINTS
OLEGan [10]

Step-by-step explanation:

1 + - 1 can also be written as 1 - 1.

1 + - 1

= 1 - 1

= 0

Hence proved.

5 0
2 years ago
Suppose that y varies inversely with x. Use the information to find k, and then choose the equation of variation. X= 2.5 when y=
puteri [66]

Answer:constant of variation(k) is, 250.

Step-by-step explanation:

The inverse variation says that:

then, the equation is in the form of :

       ....[1] where, k is the constant of variation

As per the statement:

Suppose that y varies inversely with x.

then,

by definition of inverse variation we have;

When x = 2.5 and y = 100 then

Substitute these in [1] we have;

Multiply 2.5 both sides we have;

or

k = 250

⇒

Therefore, the constant of variation is, 250 and the equation we get

Read more on Brainly.com - brainly.com/question/5991656#readmore

Step-by-step explanation:

4 0
3 years ago
Maggie is x years old. Her brother Demarco is 4 years older than her. Anna is 3 times as old as Demarco. Write and simplify an e
ExtremeBDS [4]
Maggie = x years old
Demarco = x + 4
Anna = 3*Demarco

Anna = 3*(x + 4)
Anna = 3x + 12

Hope this helps!


7 0
3 years ago
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