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Marrrta [24]
2 years ago
5

Q.1. What is the sum of 130+125+191? A. 335 B. 456 C. 446 D. 426

Mathematics
2 answers:
loris [4]2 years ago
7 0

The answer is C cause sum means to like add it together

Leno4ka [110]2 years ago
6 0

Answer:

Step-by-step explanation:

130 + 125 + 191 = 446, so choice (C)

Hope that helps!

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The mean per capita consumption of milk per year is 140 liters with a standard deviation of 22 liters. If a sample of 233 people
salantis [7]

Answer: 0.0192

Step-by-step explanation:

Given : The mean per capita consumption of milk per year : \mu=140\text{ liters}

Standard deviation : \sigma=22\text{ liters}

Sample size : n=233

Let \overline{x} be the sample mean.

The formula for z-score in a normal distribution :

z=\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}

For  \overline{x}=137.01

z=\dfrac{137.01-140}{\dfrac{22}{\sqrt{233}}}\approx-2.07

The P-value = P(\overline{x}

Hence, the probability that the sample mean would be less than 137.01 liters is 0.0192 .

4 0
4 years ago
The hypotenuse of a right triangle measures 16 cm and one of its legs measures 11 cm.
Zarrin [17]

Answer:

11.6cm

Step-by-step explanation:

a^2+b^2=c^2

11^2+b^2=16^2

121+b^2=256

b^2=135

b=11.6

6 0
2 years ago
If SS= 162 from a sample of 15 data, find s^2
Genrish500 [490]

Answer:

11.57

Step-by-step explanation:

We have a simple formula to solve this:

s^2=\frac{SS}{n-1}

where

SS is sum of squares

s^2 is the variance, and

n is the number of data points

We are given all the info to find out s^2. Hence,

s^2=\frac{SS}{n-1}\\s^2=\frac{162}{15-1}\\s^2=\frac{162}{14}=11.57

8 0
3 years ago
Which point do all exponential functions of the form y=a^x pass through
Bezzdna [24]
The answer should be A.

When we see the equation y=a^x we can relate to all the exponential functions, however, when the problem asked what points does all equations in that form pass through. I was instantly reminded by two facts.

One is that any number to the first is equal to itself. In other words, a^1=a

Another is that any number to the zero is equal to 1. a^x=1
if that is true, 1 will always be the x value since y=a^x and 0 will always be the x value because that is how y can be equal to one.
therefore, the answer is A: (0,1)
7 0
3 years ago
Segment AE is congruent to segment EB
Rudiy27
EF for sure u got to really pay attention to the inches
5 0
3 years ago
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