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3 years ago

What is the measure of angle R? 0 37° 0 53° O90° o 97°

Mathematics

2 answers:

Ipatiy [6.2K]3 years ago

7 0

Answer:

it is 37 degrees just took the quiz Have a great day yall

Step-by-step explanation:

soldier1979 [14.2K]3 years ago

6 0

It would be considered to be around 0 37

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True or false 6 to the 3 power = 216

timofeeve [1]

Answer:

True

Step-by-step explanation:

6^3, or 6x6x6, is equal to 216.

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2 years ago

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What is 7.25 in word form

Vikentia [17]

Answer: seven and twenty-five hundredths

Step-by-step explanation:

just need to know how to say it

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3 years ago

Long-grain rice costs $0.72/lb. How much would 2.7 lb of long-grain rice cost?

sweet-ann [11.9K]

If $.72 per 1lb, then $x per 2.7lb, by using proportional property:

.72/1 = x/2.7 cross multiply

x = (.72)*(2.7) = $1.94

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3 years ago

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Suppose the weights of the Boxers at this club are Normally distributed with a mean of 166 pounds and a standard deviation of 5.

lesya [120]

Answer:

0.1994 is the required probability.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 166 pounds

Standard Deviation, σ = 5.3 pounds

Sample size, n = 20

We are given that the distribution of weights is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

Standard error due to sampling =

$=\dfrac{\sigma}{\sqrt{n}} = \dfrac{5.3}{\sqrt{20}} = 1.1851$

P(sample of 20 boxers is more than 167 pounds)

$P( x > 167) = P( z > \displaystyle\frac{167 - 166}{1.1851}) = P(z > 0.8438)$

$= 1 - P(z \leq 0.8438)$

Calculation the value from standard normal z table, we have,

$P(x > 167) = 1 - 0.8006= 0.1994 = 19.94\%$

0.1994 is the probability that the mean weight of a random sample of 20 boxers is more than 167 pounds

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3 years ago

Find the missing value to the nearest hundredth cos___= 7/18

Oksana_A [137]

Let
cos x=7/18

x=arc cos (7/18)-----> using a calculator-------> x=67.11°-----> x=1.17 radians

the answer is
x=67.11° or x=1.17 radians

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3 years ago

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