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Evgesh-ka [11]
2 years ago
11

Answer these questions pls

Mathematics
1 answer:
kari74 [83]2 years ago
5 0
Lmk if you need more help :)

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Given the system of equations, what is the value of the system determinant?
weeeeeb [17]
2x + y = 8
x - y = 10
--------------add
3x = 18
x = 6

x - y = 10
6 - y = 10
-y = 10 - 6
-y = 4
y = -4

solution is : (6,-4)
6 0
3 years ago
Read 2 more answers
25 points help me pls
antoniya [11.8K]

Answer:

The first one is x=-y-2z-7

The second one is x=-1/3y + 1/3z + -4/3

The third one is x= 3y + 2z + 17

7 0
3 years ago
Governmental financial assistance that helps fund a student's postsecondary education is known as _____. A. the FAFSA B. a Pell
Elina [12.6K]
The answer is d apex
7 0
3 years ago
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Amanda teaches the art of quilling to four students these students each teach the art of quilling to four other students if this
il63 [147K]

Answer:

341

Step-by-step explanation:

The number of people who know the art of quilting in each successive generation is

1, 4, 16, …

These numbers represent a geometric sequence where each term has the form

aₙ = a₁rⁿ⁻¹

In your sequence, a₁ = 1 and r = 4.

Then, the formula for your sequence is

aₙ = 4ⁿ⁻¹

Sum over five generations

The formula for the sum of the first n terms of a geometric series is

Sum = a₁[(1 - rⁿ)/(1 - r)]

Sum = 1[(1 - 4⁵)/(1 - 4)

       = (1 - 1024)/(-3)

       = -1023/-3

       = 341

If the process continues for five generations, 341 people will know the art of quilting.

4 0
3 years ago
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HELPPPPPPP. Marie has two boxes of colored markers. Each box contains 3 markers. In
REY [17]

Answer: 16.6% percent chance she will pull out a blue or orange marker.

Hope this helps! :)

4 0
3 years ago
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