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lilavasa [31]
3 years ago
14

Harley read 5 books in january, 8 books in february, 4 books in march and 7 books in april. what is the average number of books

harley reads per month
A: 7
B: 6
C: 6.5
D: 3
Mathematics
1 answer:
Andrej [43]3 years ago
7 0

Answer:

B: 6

Step-by-step explanation:

Find the mean:

5+8+4+7= 24

24/4=6

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What are the solution(s) of 3x2 + 13x + 14 = 0? Select the two correct two answers.
Ede4ka [16]

Answer:

D,E

Step-by-step explanation:

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3 years ago
The room numbers of two adjacent classrooms are two consecutive even integers. If their sum is 654, find the classroom numbers.
IRINA_888 [86]

Answer: It is 326 and 328.


Step-by-step explanation: We know that the numbers must be even and consecutive, so we can figure this problem out by trial and error. Divide 654 by two, and then keep going until you get the proper answer.

(Hope this helps :) )


4 0
3 years ago
What are the coordinates of the orthocenter of △JKL with vertices at J(−4, −1) , K(−4, 8) , and L(2, 8) ?
kompoz [17]

Answer:

K(-4,8) is the ortho center.

Step-by-step explanation:

In a right angled triangle, The vertex of the right angle is the ortho center.

Here we are given

J(-4,-1), K(-4,8) & L(2,8)

Using distance formula we get

JK^{2}= (-4+4)^{2}+ (8+1)^{2}=0+81=81

KL^{2}= (-4-2)^{2}+ (8+-8)^{2}=36+0=36

JL^{2}= (-4-2)^{2}+ (8+1)^{2}=36+81=117

So we can say that

JK^2 + KL^2=JL^2

By converse of pythagorean theorem we get

Hence the Vertex of the right angle is K(-4,8)

K(-4,8) is the ortho center.

7 0
3 years ago
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