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vladimir2022 [97]
3 years ago
8

PLEASE HELP! IN DESPERATE NEED! Please SHOW YOUR WORK! Thx so much! :)

Mathematics
1 answer:
choli [55]3 years ago
7 0
The 1st one
y=37
x=18.5
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Solving systems by elimination <br> 9x+3y=-3 <br> 2x-3y=-8
Alona [7]

Answer:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

x

=

−

1

Step-by-step explanation:

5 0
3 years ago
The equations of three lines are given below.
Yuliya22 [10]

Step-by-step explanation:

line 1 and 2 : parallel

as line 2 is actually

6x + 2y = 8

2y = -6x + 8

y = -3x + 4

so, they have the same slope (factor of x).

line 1 and 3 : neither

the slopes -3 and 3 are not parallel not perpendicular (90°).

line 2 and 3 : neither

as line 2 is parallel to line 1, it has the same relationship to line 3 as line 1.

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2 years ago
10 times the amount of 82,574
mihalych1998 [28]
Move the decimal point to the right (add a zero), therefore, 825,740
4 0
3 years ago
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???????????i need help on this ASAP!!!!
ioda
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3 0
3 years ago
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A blackjack is a 10-point card and an ace for a value of 21. Use your answers to parts (a), (b), and (c) to determine the probab
kondor19780726 [428]

Answer:

Results:

0.1432

0.0045

0.0905

0.0483

Step-by-step explanation:

Step a:

P(A or 10, A or 10) = 20/52 * 19/51 = 5/13 / 19/51 = 95/663 = 0.1432

Step b:

P(A A) = 4/52 * 3/51 = 1/13 * 1/17 = 1/221 = 0.0045

Step c:

P(10 10) = 16/52 * 15/51 = 4/13 * 5/17 = 20/221 = 0.0905

Step d:

P(A 10 or 10 A) = 2 * 4/52 * 16/51 = 2/13 * 16/51 = 32/663 = 0.0483

As well we get the probability by subtracting a,  b and c:  

P(blackjack): 0.1432 - 0.0905 - 0.0045 = 0.0482  

7 0
3 years ago
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