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3 years ago

37/50 of a number is what percent of that number

Mathematics

2 answers:

GaryK [48]3 years ago

6 0

Using cross multiplication, multiply 37 by 100, then divide that by 50 and you get 74. 37/50 is 74%

nexus9112 [7]3 years ago

4 0

Answer:

The answer is 74%

Step-by-step explanation:

Method One:

1) Un-reduce the fraction to ger 74/100

2) Your answer is 74%

Method 2:

1) Divide 37 by 50

2) You get .74

3) Your answer is 74%

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Find the X & Y value

SCORPION-xisa [38]

Answer:

Step-by-step explanation:

x = 72°

y = 61°

8 0

2 years ago

Fast-food restaurants spend quite a bit of time studying the amount of time cars spend in their drive-throughs. Certainly, the f

melisa1 [442]

Answer:

For the 99th percentile, we have X = 206 seconds.

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

$\mu = 138.5, \sigma = 29$

99th percentile:

Value of X when Z has a pvalue of 0.99. So we use $Z = 2.325$

$Z = \frac{X - \mu}{\sigma}$

$2.325 = \frac{X - 138.5}{29}$

$X - 138.5 = 29*2.325$

$X = 205.92 = 206$

For the 99th percentile, we have X = 206 seconds.

4 0

3 years ago

The corners of a meadow are shown on a coordinate grid. Ethan wants to fence the meadow. What length of fencing is required?

Nuetrik [128]

Answer:

34.6 units

Step-by-step explanation:

The lenght of fencing required is the total distance between point A to B, B to C, C to D, and D to A. That is the distance between all 4 corners of the meadow.

The coordinates of the corners of the meadow is shown on a coordinate plane in the attachment. (See attachment below).

Let's use the distance formula to calculate the distance between the 4 corners of the meadow using their coordinates as follows:

Distance between point A(-6, 2) and point B(2, 6):

$AB = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$