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kipiarov [429]
2 years ago
8

The table below shows the scores that Amy and Bria have earned in their math class this quarter. Tests are worth 45%, quizzes ar

e worth 30%, homework is worth 15%, and the project is worth 10% of their quarter grade. Show how you can use matrix multiplication to determine what each student's quarter grade will be? ​

Mathematics
1 answer:
GREYUIT [131]2 years ago
3 0

Answer:50%

Step-by-step explanation:

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(5 x 6) - (5 x 1)= 5 x
levacccp [35]

Answer:

x=0

Step-by-step explanation:

(5 x 6) - (5 x 1)= 5 x

5x X 6-5x X 1=5x

30x-5 X 1X x=5x

30x-5x=5x

25x=5x

25x-5x=5x-5x

20x=0

20X/20 = 0/20

x=0

5 0
3 years ago
There are ten bird baths in a park. On the first day of​ spring, the bird baths are filled. Several weeks​ later, the overall ch
daser333 [38]

Answer:

4.5

Step-by-step explanation:

3 0
3 years ago
FIND V, W, X, Y <br><br><br> PLEASEEEE
RoseWind [281]

Answer:

see explanation

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180° , thus

w = 180° - (90 + 31) °= 180° - 121° = 59°

y = 59° ( vertical angle to w )

w and v are adjacent angles, thus

w + v = 180°

59° + v = 180° ( subtract 59° from both sides )

v = 121°

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Thus

v = 121°, w = 59°, x = 121°, y = 59°

5 0
3 years ago
Solution for x=5-y and x+y=15
zimovet [89]
It might be no solution:

steps-

x=5-y
x+y=15

substitute the x(which is the top problem) into the second one.

(5-y)+y=15

cancel it out

(5-y)+y=15
-5. -5

a negative plus a positive is gonna equal 0

-y+y=15-5

0=10

that is no solution..
7 0
3 years ago
In Exercises 9-12, tell whether the lines through the given points are parallel, perpendicular, or neither. Justify your answer
tigry1 [53]

Answer:

They're parallel.

Step-by-step explanation:

The reason they're parallel is because they both have the same slope.

3 0
3 years ago
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