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Katen [24]
3 years ago
8

I WILL GIVE BRAINLIEST AND ALL MY POINTS I HAVE IF SOMEONE CAN JUST GIVE ME THE CORRECT ANSWERS TO THE QUESTIONS BELOW. I really

need to get all these questions right and these are the only two I can’t figure out. Please help.
What is the solution of the system of equations?

{-3x - 4y - 3z = -7

{2x - 6y + 2z = 3

{5x - 2y + 5z = 9

A. (5,-2,7)

B. (-5,2,7)

C.(5,2,-7)

D. No solution

Use a matrix to find the solution to the system of equations.

{-8x - 8y = -16

{6x - 9y = -108

A.(-6,8)

B.(6,8)

C.(8,-6)
D. (6,-8)
Mathematics
1 answer:
damaskus [11]3 years ago
4 0

Solution

1) D. No solution

2) C.(-6, 8)

Thank you :)

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There are 25 the ratio of girls to boys is 3 to 2 how many boys and how many girls are in class
Serhud [2]

Answer:

Step-by-step explanation:

Girls:Boys = 3 : 2

Total students = 25

Girls = (3/5) * 25 = 15

Boys = (2/5) * 25 = 10

8 0
3 years ago
Daniel rides his bicycle 21km west and then 18km north. How far is he from his starting point?
insens350 [35]

This is a right triangle. To find the length of the hypotenuse a^2 + b^2 = c^2.

21^2 + 18^2 = c^2

441 + 324 = c^2

765 = c^2

27.66 km

6 0
3 years ago
Identify the 33rd term of the arithmetic sequence 9, 7 and one half, 6...
marta [7]

Answer:

  -39

Step-by-step explanation:

The general term of an arithmetic sequence is ...

  an = a1 +d(n -1)

This sequence has first term a1=9 and common difference d=(7.5-9) = -1.5. Then the 33rd term is ...

  a33 = 9 -1.5(33 -1) = 9 -48 = -39

The 33rd term is -39.

5 0
3 years ago
Mai mixed a batch of pink paint using 5 cups of red paint and 3 cups of white paint.
Advocard [28]

Answer:

no they are not

Step-by-step explanation:

priyas paint would be darker then mais paint because priya added an extra cup of red paint.

5 0
3 years ago
What value of h makes the statement true? (17+h)+(–9) = 17+(5+(–9))
aalyn [17]
I know this is late and you probably got the answer but just in case its C. 5. :P
5 0
3 years ago
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