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snow_tiger [21]
2 years ago
5

11. There are a total of 30 puzzle pieces. Three

Mathematics
2 answers:
natulia [17]2 years ago
6 0

Answer: 2

Step-by-step explanation:

5-3=2

30-5=15

Ivahew [28]2 years ago
3 0

Answer:

12 black

PLS MARK BRAINLIEST!!

Step-by-step explanation:

3/5 = red

3/5 of 30 = 18

30-18 = 12 black

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Mrs. Williamson had 18 students in her homeroom at the beginning of the school year and 24 students at the end of the year. What
jarptica [38.1K]

Answer:

25%

Step-by-step explanation:

An easy way to figure this out is just by dividing the initial amount of students (18) by the current amount of students (24), and then subtracting 1.

So, 18/24 = 0.75 (aka 75%), and  1 - 0.75 = 0.25 (aka 25%)

7 0
2 years ago
What is the product of Negative StartFraction 2 over 7 EndFraction and Negative StartFraction 3 over 7 EndFraction?
Andrew [12]

Answer:

your answer is d

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is the GCF of 17 and 8?
soldier1979 [14.2K]

Answer: the answer is 1

Step-by-step explanation:

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3 years ago
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Agnes Hammer is a senior majoring in management science. She has been interviewing with several companies for a job when she gra
stiks02 [169]

Answer:

Mean = 30516.67

Standard deviation, s = 3996.55

P(x < 27000) = 0.0011518

Step-by-step explanation:

Given the data:

28500 35500 32600 36000 34000 25700 27500 29000 24600 31500 34500 26800

Mean, xbar = Σx / n = 366200 /12 = 30516.67

Standard deviation, s = [√Σ(x - xbar) / n-1]

Using calculator, s = 3996.55

The ZSCORE = (x - mean) / s/√n

Zscore = (27000 - 30516.67) / (3996.55/√12)

Zscore = - 3516.67 / 1153.7046

Zscore = - 3.048

P(x < 27000) = P(Z < - 3.049) = 0.0011518

3 0
3 years ago
The area of a parallelogram in which b = (3x + 5) ft and h = (7x - 1) ft
fgiga [73]
The area of a parallelogram is equal to the base multiplied by the height. So in this instance it would be (3x+5)*(7x-1). Foil out the binomials. 21x^2+35x-3x-5 Combine like terms. 21x^2+32x-5
The area is 21x^2+32x-5
6 0
3 years ago
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