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Aliun [14]
3 years ago
7

How do you estimate in math in fractions plz help

Mathematics
2 answers:
Pepsi [2]3 years ago
7 0

You round it to the nearest the

Slav-nsk [51]3 years ago
6 0

Answer:

Decide if estimation is appropriate. Estimating a fraction will give you the gist of the fraction. However, you'll seldom guess the exact answer with it. If you only need a general idea of the answer, estimations are helpful. However, if you need to give an exact answer, solve your equation with exact measurements. A good estimation will convey the general idea across quickly, and won't attempt to pass itself off as an exact answer.

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Write an equation for a function with the given characteristics. A cosine curve with a period of pi, and amplitude of 1, a left
Leto [7]

Answer:

y = cos (2x + 2π) - 5/2

Step-by-step explanation:

y = a cos (bx + c) +d

a = Amplitude =1

period = 2π/b =π

b= 2

phase shift  c/b = π

c/2 =π

c =2π

vertical translation = 5/2 units

d = -5/2 downwards

therefore substituting the values

y=1 cos (2x +2π) - 5/2

y = cos (2x + 2π) - 5/2  ;equation  for the function

8 0
3 years ago
The distribution of heights of adult American men is approximately Normal with mean 69 inches and standard deviation 2.5 inches.
nalin [4]

Answer:

option C 13.5%

Step-by-step explanation:

As the heights of adults is normally distributed with mean=69 and standard deviation=2.5 so, the percent of men that are between 64 and 66.5 inches tall can be calculated as

P(64<X<66.5)=P[ (64-69)/2.5<(X-μ)/σ<(66.5-69)/2.5]

P(64<X<66.5)=P(-2<Z<-1)

P(64<X<66.5)=P(-2<Z<0)-P(-1<Z<0)

P(64<X<66.5)=0.4772-0.3413=0.1359

Thus, the percent of men are between 64 and 66.5 inches tall is 13.59%.

If we round the resultant quantity then it will be rounded to 13.6% but considering the given options, option C is most appropriate.

5 0
4 years ago
I'll give brainliest to whoever answers the question correctly!!
yulyashka [42]

Answer:

C

Step-by-step explanation:

3 0
3 years ago
Molly is a salaried employee. Her holiday
drek231 [11]

Answer: £3885.71

Step-by-step explanation:

Let x be salary

Holding pay = 17.5% of x = 680.00

X = 680/0.175 = 3885.71

4 0
3 years ago
Which set of numbers are equivalent?
Karolina [17]

Answer:

C

10% = (10÷100=1÷10)=2÷20=.10

8 0
4 years ago
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