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Alex_Xolod [135]
2 years ago
9

Ms. Herty spent 15 hours grading math quizzes in December each grading session lasted 3/4 of an hour how many grading sessions d

id she work
Mathematics
1 answer:
Fed [463]2 years ago
4 0

Answer:

11.25 :D

Step-by-step explanation:

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The equation of a straight line is 3y + 9x -12 =0. Use the equation to find the
Debora [2.8K]

Answer:

-3

Step-by-step explanation:

Divide through the equation by the leading coefficient to obtain:

y+3x-4=0

y=4-3x

and our gradient is -3

3 0
2 years ago
PLZ ANSWER WILL GIVE BRAINLYEST!!!!
klemol [59]

Answer:

x-intercept = 3.6

y-intercept = -1.2

Step-by-step explanation:

4 0
2 years ago
This is the full question
nekit [7.7K]
Given:  cos A = 5/13 = adj side / hypotenuse

The the opp side is given by  (hypo)^2 = (adj)^2 + (opp)^2.  Here,
                                                 13^2     =   5^2     + (opp)^2, so that 
(opp)^2 = 169 - 25 - 144.  Then opp = +12.  All of these lengths are in Q I.
                       opp        12
Then sin A = -------- = --------  (answer)
                       hyp         13
8 0
3 years ago
Triangle ABC has the following coordinates: A (-2, 3) B (4, -3) C (-2, -3) What are the coordinates points for triangle A'B'C' i
lina2011 [118]

Answer:

A' (3/2, -9/4)

B' (-3, 9/4)

C' (3/2, 9/4)

Step-by-step explanation:

1. You have the following coordinates of the vertices of the triangle ABC:

A (-2, 3) B (4, -3) C (-2, -3)

2. The given scale factor is -3/4, therefore, to calculate the coordinates of the triangle  A'B'C', you must multiply each coordinate of the triangle ABC by the scale factor.

3. Therefore, you obtain that the the coordinates of the triangle  A'B'C' are:

A'=((-2)(-3/4), (3)(-3/4))=(3/2, -9/4)

B'=(4(-3/4), (-3)(-3/4))=(-3, 9/4)

C'=((-2)(-3/4), (-3)(-3/4))=(3/2, 9/4)

7 0
3 years ago
Need answers for questions in Boxes
ANTONII [103]
A. Class A

A higher mean equals higher median overall.

B. Class B

The range of a data is the difference between the greatest value and the smallest value; a lower range would infer that the data's range is not very wide, and thus is not very varied.
4 0
2 years ago
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