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dangina [55]
3 years ago
9

In a triangle, the measure of the second angle is twice the measure of the first angle. The third angle is equal to the sum

Mathematics
1 answer:
tresset_1 [31]3 years ago
7 0
20bxbsbs z. Sjens ammKzkz
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Rebecca owns nonfiction books and fiction books. The ratio of nonfiction books to fiction is 7:2. Rebecca owns 54 books. How man
Bess [88]

Answer:

42 books

Step-by-step explanation:

The ratio percent for nonfiction is 0.78%

You multiply the amount of book by the percent that is nonfiction which give you the answer of 42.

54(0.78) = 42

3 0
3 years ago
A circle has an inscribed angle LMN with a measurement of 32 what is the measurement of arc LMN?
borishaifa [10]
Mesure of inscribed angle: mesure angle LMN = mesure ARC (MLN)/2

Hence angle MLN = 64°
3 0
3 years ago
GRADE 6 MATHEMAT 12. Look at the data set. 12, 34, 27, 27, 36, 42, 15, 28, 32, 47, 30 Which statement is true about the data set
adelina 88 [10]

The statement is true because it's going in accending order.

the prerquartute 11 question

Step 1: Put the numbers in order.

1, 2, 5, 6, 7, 9, 12, 15, 18, 19, 27.

Step 2: Find the median.

1, 2, 5, 6, 7, 9, 12, 15, 18, 19, 27.

Step 3: Place parentheses around the numbers above and below the median.

Not necessary statistically, but it makes Q1 and Q3 easier to spot.

(1, 2, 5, 6, 7), 9, (12, 15, 18, 19, 27).

Step 4: Find Q1 and Q3

Think of Q1 as a median in the lower half of the data and think of Q3 as a median for the upper half of data.

(1, 2, 5, 6, 7),  9, ( 12, 15, 18, 19, 27). Q1 = 5 and Q3 = 18.

Step 5: Subtract Q1 from Q3 to find the interquartile range.

18 – 5 = 13.

<h2>From CAMBRIDGE UNIVERSITY</h2><h2></h2>
8 0
3 years ago
A plane traveled 924 miles to Lagos and back. The trip there was with the wind. It took 11 hours. The trip back was into the win
ankoles [38]

Answer:84mph there and 42mph back

Step-by-step explanation:do 924 divided by 11 and 924 by 22

7 0
4 years ago
Almost all medical schools in the United States require students to take the Medical College Admission Test (MCAT). To estimate
Leviafan [203]

Answer:

Probability of having student's score between 505 and 515 is 0.36

Given that z-scores are rounded to two decimals using Standard Normal Distribution Table

Step-by-step explanation:

As we know from normal distribution: z(x) = (x - Mu)/SD

where x = targeted value; Mu = Mean of Normal Distribution; SD = Standard Deviation of Normal Distribution

Therefore using given data: Mu (Mean) = 510, SD = 10.4 we have z(x) by using z(x) = (x - Mu)/SD as under:

In our case, we have x = 505 & 515

Approach 1 using Standard Normal Distribution Table:

z for x=505: z(505) = (505-510)/10.4 gives us z(505) = -0.48

z for x=515: z(515) = (515-510)/10.4 gives us z(515) = 0.48

Afterwards using Normal Distribution Tables and rounding the values to two decimals we find the probabilities as under:

P(505) using z(505) = 0.32

Similarly we have:

P(515) using z(515) = 0.68

Now we may find the probability of student's score between 505 and 515 using:

P(505 < x < 515) = P(515)-P(505) = 0.68 - 0.32 = 0.36

PS: The standard normal distribution table is being attached for reference.

Approach 2 using Excel or Google Sheets:

P(x) = norm.dist(x,Mean,SD,Commutative)

P(505) = norm.dist(505,510,10.4,1)

P(515) = norm.dist(515,510,10.4,1)

Probability of student's score between 505 and 515= P(515) - P(505) = 0.36

Download pdf
6 0
3 years ago
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