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ivolga24 [154]
3 years ago
12

Solve the system of linear equations using Elimination

Mathematics
2 answers:
fgiga [73]3 years ago
8 0

Answer:

x=2

y = 6

This is the answer for above equation

kakasveta [241]3 years ago
6 0
Alright so after solving it the answer would be x=2 and y= 6
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Explain how counting number of girls in five children family can be treated as a binomial experiment. What assumptions are neces
Juliette [100K]

This is a binomial experiment and you'll use the binomial probability distribution because:

  1. There are two choices for each birth. Either you get a girl or you get a boy. So there are two outcomes to each trial. This is where the "bi" comes from in "binomial" (bi means 2).
  2. Each birth is independent of any other birth. The probability of getting a girl is the same for each trial. In this case, the probability is p = 1/2 = 0.5 = 50%
  3. There are fixed number of trials. In this case, there are 5 births so n = 5 is the number of trials.

Since all of those conditions above are met, this means we have a binomial experiment.

Some textbooks may split up item #2 into two parts, but I chose to place them together since they are similar ideas.

8 0
3 years ago
HELP!!!Identify the following parts of the graph
yarga [219]

Answer:

X ints = (-1,0) , (3,0)

Y int = (0, -3)

Minimum (as it infinitely extends positively, but does not go down all the way)

Min point = (1,-4)

Step-by-step explanation:

8 0
3 years ago
Rewrite the fraction 7/8 to the -1 power without the exponent<br><br> (7/8 to the negative 1 power
olga_2 [115]

Answer:

Step-by-step explanation:

(7/8) to the  negative power is 8/7

6 0
2 years ago
Read 2 more answers
Please help me!!! I'm lost tap the attachment​
BabaBlast [244]

Answer:

Below.

Step-by-step explanation:

I'll do number 20, 21, 22 for you.

20.  It is ±1, ±2, ±4, ±8.

21.   Reflected over the x-axis and down 4.

22. Common ratio = 25/5 = 5.

23.  Imaginary roots occur in pairs so there is also a root -5i.

The answer is c.

19. Option (a).

This is a translation of 4 to the left ( due to the (x + 4).

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3 years ago
Find the x-intercepts for the parabola defined by the equation below. y = 3x2 + 18x + 15
Readme [11.4K]
Using quadratic formula
x = [-18 +-sq root (324 -4 *3*15)] / 2*3
x = [-18 +-sq root (144)]/6
x1 = (-18 + 12) / 6 = -1
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4 0
3 years ago
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