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Fynjy0 [20]
3 years ago
15

PLS I'LL MARK BRAINLIST EXTRA POINTS 4 To go to school each day, Zane walks 24 yards due south to the bank then 45 yards east. H

ome N W 24 yd TO Bank 45 yd School If Zane were able to walk a straight line from home to school, how many yards shorter would his walk be? F 11 yards G 18 yards H 33 yards J 51 yards​
Mathematics
1 answer:
kvv77 [185]3 years ago
5 0

Answer:

G. 18 yards

Step-by-step explanation:

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The length of the base and the height of a triangle are numerically equal. Their sum is 6 less than the number of units in the a
Troyanec [42]
Base = Height, Let them be x.

( x \times x) \div 2 = (x + x) + 6 \\ x ^{2} \div 2 = 2x + 6 \\ \frac{1}{2} x^{2} - 2x - 6 = 0
Solve quadratic equation:
x=6, x=-2(rejected because base and height is positive)

6x6/2 =18
6 0
3 years ago
Please help me thank you so much i will give brainliest answer if you get it right
Setler79 [48]

Answer:

the first four

Step-by-step explanation:

The last two do not equal 9 or .90

7 0
3 years ago
teacher gives 5 students a multiple choice test, in which each problem is worth 1 point and there is no penalty with negative po
mamaluj [8]

The mean is the average value of a given set of numbers, and the median is the number in the middle of a set of numbers arranged in increasing order

The correct values as response to the questions are;

The minimum possible <em>top score</em> is <u>21</u>

The maximum possible <em>top score</em> is <u>32</u>

The <em>minimum </em>of the possible <em>standard deviation</em> is approximately <u>1.26</u>

The <em>maximum </em>of the possible <em>standard deviation</em> is approximately <u>11.7</u>

<u />

The reason the above values are correct are as follows:

<u />

The given parameters are;

The number of students that take the test, n = 5

The amount of points for each problem = 1 point

The median score = 9

The mean Score = 10

Required:

The minimum possible score;

The maximum possible top score

The minimum of the possible standard deviations

The maximum of the possible standard deviations

Solution:

Given that there is a score (the median) which is 9, we have;

The scores obtainable in the test is Scores ≥ 9

Therefore, for a score of 10, we have;

The minimum total points obtainable = Mean × Number of students

Therefore;

Total minimum total points obtainable by the 5 students = 5 × 10 = 50

  • The minimum possible top score

By arrangement, with the median at the middle, the minimum possible top score is given as follows;

0, 0, 9, 20, 21

Therefore, the minimum possible top score is <u>21</u>

<u />

  • The maximum possible top score

The maximum possible top score is similarly given by arrangement of the numbers as follows'

0, 0, 9, 9, 32

The maximum possible top score is <u>32</u>

<u />

  • The minimum standard deviation

By arrangement and selection, the minimum standard deviation is given as follows;

The minimum of the possible standard deviations of (9, 9, 9, 11, 12) ≈ <u>1.26</u>

  • The maximum of the possible standard deviation

The maximum of the possible standard deviation is given as follows;

The maximum of the possible standard deviation of (0, 0, 9, 9, 32) ≈ <u>11.7</u>

<u />

Learn more about mean and median here:

brainly.com/question/17012793

8 0
2 years ago
2. CO DEEPER) Franco played computer chess for 3 hours. Lian played
Galina-37 [17]

Answer: Franco played for 30 minutes longer than Lain.

Step-by-step explanation:

3 times 60= 180

180-150=30 minutes

4 0
3 years ago
Which of the following sets of measures for sides doesnt form a trangie!
anyanavicka [17]

Answer:

7, 9, 17

Step-by-step explanation:

The sum of the two smallest numbers has to form a number larger that the largest number, and 7 + 9 = 16 which is less than 17.

4 0
3 years ago
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