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2 years ago

What is the equation in slope-intercept form?

Mathematics

2 answers:

inn [45]2 years ago

5 0

Answer:

slope intercept form is y=mx+b

m=slop

x=x-intercept

and b= y-intercept

the slope is -3 and the y-intercept is 4

it is a linear equation model

Step-by-step explanation:

Archy [21]2 years ago

4 0

Answer:

y=-3x+4

Step-by-step explanation:

slope intercept form is y=mx+b

therefore, the equation is already in slope intercept form

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What is 35 divide by 573

mrs_skeptik [129]

35 divided by 573 is 0.0610820244328098

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3 years ago

I need help with 9-11 shown above in the picture. Please explain if you can

Lunna [17]

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3 years ago

If a student randomly guesses at 20 multiple-choice questions, find the probability that the student gets exactly four correct.

ad-work [718]

Answer:

Probability = 0.190

Step-by-step explanation:

Given:

Number of questions, 'n' = 20

Each question has four choices.

Let event of choosing correct answer be success and its probability be represented by 'p'.

Therefore, event of choosing wrong answer is failure and its probability be represented by 'q'.

Now, probability of success is choosing one correct answer out of 4 options. So, $p=\frac{1}{4}=0.25$

Now, 'p' and 'q' are complements of each other. Therefore,

$q=1-p=1-0.25=0.75$

Now, we need 4 successes. Therefore, $x=4$

Using Bernoulli's theorem to find 'x' successes from 'n' questions, we get:

$P(x)=_{x}^{n}\textrm{C}p^xq^{n-x}$

Plug in 4 for 'x', 20 for 'n', 0.25 for 'p' and 0.75 for 'q'. Solve.

$P(4)=_{4}^{20}\textrm{C}(0.25)^4(0.75)^{20-4}\\P(4)=_{4}^{20}\textrm{C}(0.25)^4(0.75)^{16}\\P(4)=4845\times (0.25)^4\times (0.65)^{16}\\\\P(4)=0.1896\approx0.190$

Therefore, the probability of getting 4 correct answers out of 20 questions is 0.190.

6 0

2 years ago

This is (compound) probability: Picking two numbers from 1-10 and getting a multiple of 3 both times.

NemiM [27]

Answer:

There are 10 counters in the bag and you want the 4

As their is only one for the probability is

1/10

There are now 9 counters left in the bag.

You only want the even ones , which are 2 6 8 and 10 ( four has been taken out)

There are only four even counters in the bag of nine counters so the probability is

4/9

As you want both of these to occur, you need to multiply them

1/10 x 4/9 = 49/90

Step-by-step explanation:

7 0

3 years ago

Find y: y − 4 = 6<br> A. 4<br> B. 10<br> C. 2<br> D. 6

aleksandrvk [35]

Answer:

Correct Answer is B

Step-by-step explanation:

y-4=6

+4. +4

y=10

7 0

2 years ago

Read 2 more answers