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STatiana [176]
2 years ago
14

BRAINLIEST + 45 POINTS FOR RIGHT ANSWER ONLY! MUST SHOW WORK!

Mathematics
2 answers:
vodka [1.7K]2 years ago
5 0

Answer:

Step-by-step explanation:

40+3+7=50

50x2=100

40x2=80

3x2=6

7x2=14

80% on side

6% with open side up

3 percent with closed side up

Eva8 [605]2 years ago
4 0

Answer:

80% on side

6% with open side up

3 percent with closed side up

<u><em>Please give brainliest!!</em></u>

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Misha surveyed students in her school about what writing tool they use. She found that 75 use pens; 30 of the pen users are boys
crimeas [40]

Answer:

a.) 45

b.) 60

c.) 58

d. )77

e.) 135

Step-by-step explanation:

i took the test

5 0
3 years ago
Read 2 more answers
The number of accidents per week at a hazardous intersection varies with mean 2.2 and standard deviation 1.1. This distribution
cluponka [151]

Answer:

Step-by-step explanation:

Hello!

The definition of the Central Limi Theorem states that:

Be a population with probability function f(X;μ,δ²) from which a random sample of size n is selected. Then the distribution of the sample mean tends to the normal distribution with mean μ and variance δ²/n when the sample size tends to infinity.

As a rule, a sample of size greater than or equal to 30 is considered sufficient to apply the theorem and use the approximation.

X[bar]≈N(μ;σ²/n)

If the variable of interest is X: the number of accidents per week at a hazardous intersection.

There is no information about the distribution of this variable, but a sample of n= 52 weeks was taken, and since the sample is large enough you can approximate the distribution of the sample mean to normal. With population mean μ= 2.2 and standard deviation σ/√n= 1.1/√52= 0.15

I hope it helps!

5 0
3 years ago
The midpoint of AB is M(1, 6). If the coordinates of A are (8, 4), what are the coordinates of B?
Ne4ueva [31]

Answer:

(-6,8)

Step-by-step explanation:

8+x2=2       4+y2=12

x2= -6         y2= 8

4 0
3 years ago
Which of the following is an example of discrete data?
Anton [14]

Answer:

this is right

Step-by-step explanation:

i just took the test and it was B!

6 0
3 years ago
Which is greater .513 or .5129
Vitek1552 [10]

Answer:

.513 is larger

Step-by-step explanation:

1st method is the thousandths place larger or smaller

.1 tenths

.01 hundredths

.001 thousandths

In this case the thousandths is larger for .513

2nd method

subtract the two number

.513 - .5129 = .0001

Since the number recieved is positive this means .513 is larger

7 0
3 years ago
Read 2 more answers
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