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Georgia [21]
2 years ago
11

Options: Infinitely many no one

Mathematics
1 answer:
ra1l [238]2 years ago
7 0

Answer:

Infinitely Solutions

Step-by-step explanation:

Solution:

8x+2y=8.......(1)

y=-4x+4.......(2)

By substitute equation (2) in equation (1) , we will have

8x+2y=8\\8x+2(-4x+4)=8\\8x-8x+8=8\\8x-8x=8-8\\0=0

Hence,

Using a graphing calculator, we can see that both lines are equal.

Hence, The system infinitely many solutions

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320 students went on a field trip to the zoo. After, they took a survey on which animal was their favorite. 25% of students chos
Flauer [41]
This is pretty simple, you just add up the percentages and that would give you 65%, now you figure out 65% of 320 and google will tell you it is 208. now you have two possible answers, i am not sure if your question is asking for a percentage or an exact amount if it is parentage the it would be 35%, if it is exact then it would be 320-208 which is 112. so your answer probably is 112 students chose other.
5 0
3 years ago
What is the answer of this? 4x²-9y²+36y-36=0 ​
gavmur [86]

Answer:

x = + - 3(y-2)

this it ut

8 0
2 years ago
Pick two cards at random from a well-shuffled deck of 52 cards (pick them simultaneously so they are not the same card). There a
Scrat [10]

Answer:

The variables X and Y are dependent.

Step-by-step explanation:

The variable <em>X</em> denotes number of face cards . That is it can take values,

<em>X</em> = {0, 1, 2 }

Compute the probability for all he values of <em>X</em> as follows:

P [X = 0] = P (None of the 12 card is chosen in either draw)

              = (40/52)×(39/51)

              = 1560/2652

              = 0.5882

P [X = 1] = P (One of the card is face card is selected)

              = 2×(40/52)×(12/51)

              = 960/2652

              = 0.3619

P [X = 2] = P (Two of the 12 card is chosen in the draw)

              = (12/52)×(11/51)

              = 132/2652

              = 0.0498

The variable <em>Y</em> denotes number of cards numbered 10 . Thus, it can take values:

<em>Y</em> = {0, 1, 2 }

P [Y = 0] = P (None of the 4 card is chosen in either draw)

              = (48/52)×(47/51)

              = 2256/2652

              = 0.8507

P [Y = 1] = P (One of the 4 card is chosen in either draw)

              = 2×(4/52)×(48/51)

              = 384/2652

              = 0.1448

P [Y = 2] = P (Two of the 4 card is chosen in the draw)

              = (4/52)×(3/51)

              = 12/2652

              = 0.0045

Now compute the probability of (<em>X</em> and <em>Y</em>).

P [X = 0 and Y = 0] = P(None of the 16 card is chosen in either draw)

                              = (36/52)×(35/51)

                              = 1260/2652

                              = 0.4751

The variables <em>X</em> and <em>Y</em> are independent if,

P [X = 0 and Y = 0]  = P [X = 0] × P [Y = 0]

                               =  P [X = 0] × P [Y = 0]

                               = 0.8507 × 0.5882

                               = 0.5204

The two values are not equal.

Hence, the variables X and Y are not independent.

7 0
3 years ago
How to solve a-2+3=-2
maria [59]
So cancel each equation terms on both sides of the equation and move constant to the right side and change its sign. So your answer is A=-3

Your welcome
5 0
3 years ago
Which inequality is true?
DiKsa [7]

Answer:

C. 5\pi > 15

Step-by-step explanation:

In the given series of inequalities, the inequality sign determines the final outcome.

A. 4\pi - 2 < 10

4\pi < 12

\pi < 3

Since \pi < 3, then the inequality is false

B. \pi + 9 < 12

\pi < 3

Since \pi < 3, then the inequality is false

c. 5\pi > 15

\pi > 3

Since \pi > 3, then the inequality is true

D. 6 > 2\pi

3 > \pi

Since \pi < 3, then the inequality is false

Thus, the only inequality that is true is option C.

3 0
2 years ago
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