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Oliga [24]
3 years ago
11

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

was the approximate percent increase in the number of students in Mrs. Williamson’s homeroom?
Mathematics
1 answer:
umka2103 [35]3 years ago
3 0

Answer:

The approximate % increase was around 33%

Step-by-step explanation:

Divide 24 by 18 and you convert the decimal into a percent which is just multiplying it by 100

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Akimi4 [234]

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  3 left; 1 down

Step-by-step explanation:

You can determine the translation by identifying corresponding points on the two figures and counting the grid squares between them.

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Here Q is a translation of P by 3 squares to the left and 1 square down.

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How do you write 0.1 as a fraction? Please help
wel

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1 over 9

Step-by-step explanation:

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AVprozaik [17]

Answer:

Perimeter is 17.07

Step-by-step explanation:

We know that DF = EF = 5 cm, since D and E are the midpoints of AC and AB, both of which are 10 cm in length.

We need to use the Pythagorean theorem to get the length of DE.

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5 0
3 years ago
An electrical engineer wishes to compare the mean lifetimes of two types of transistors in an application involving high-tempera
Olin [163]

Answer:

(115.2642, 222.7358).

Step-by-step explanation:

Given data:

type A: n_1=60, xbar_1=1827, s_1=168

type B: n_2=180, xbar_2=1658, s_2=225

n_1 = sample size 1, n_2= sample size 2

xbar_1, xbar_2 are mean life of sample 1 and 2 respectively. Similarly, s_1 and s_2 are standard deviation of 1,2.

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(xbar_1 -xbar_2) ± Z×√[s1^2/n1 + s2^2/n2]

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3 years ago
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