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3 years ago

Put the following equation of a line into slope-intercept form, simplifying all fractions. 12x + 4y = -12

Mathematics

2 answers:

Olin [163]3 years ago

7 0

Answer:

y = -3x - 3

Step-by-step explanation:

Slope intercept form is y = mx + b, so we simply rearrange to function into that form.

12x + 4y = -12

4y = -12 -12x

y = -3 - 3x

y = -3x - 3

ryzh [129]3 years ago

4 0

Try Y=-3x-3 hope I can help

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Suppose that prior to conducting a coin-flipping experiment, we suspect that the coin is fair. How many times would we have to f

STALIN [3.7K]

Answer: b) 84

Step-by-step explanation:

Let p be the prior estimate of the required proportion.

As per given , we have

p =0.5 (The probability of getting heads on a fair coin is 0.5)

Significance level : $\alpha: 1-0.90=0.10\\$

Critical z-value (using z-value table ) : $z_{\alpha/2}=1.645$

Confidence interval width : w= 0.18

Thus , the margin of error : $E=\dfrac{w}{2}=0.09$

Formula to find the sample size ( if prior estimate of proportion is known.):-

$n=p(1-p)(\dfrac{z_{\alpha/2}}{E})^2$

Substitute the values , we get

$n=0.5(1-0.5)(\dfrac{1.645}{0.09})^2$

Simplify ,

$n=83.5192901235\approx84$ [Round of to the next whole number.]

Hence, the number of times we would have to flip the coin =84

hence, the correct answer is b) 84

8 0

3 years ago

Me pueden ayudar porfa

xz_007 [3.2K]

Answer:

same question bro

Step-by-step explanation:

7 0

3 years ago

The perimeter of a rectangular field is 278 m. If the width of the field is 61 m, what is its length?

nataly862011 [7]

Answer:

length is 78

Step-by-step explanation:

Perimeter of rectangle is P = 2 (l +w)

278 = 2(l + 61)

l = 78

3 0

3 years ago

Juan owes his cousin, Benito, $10.00. Benito is tired of waiting for Juan to pay him back. To try and get Juan to pay up more qu

AleksAgata [21]

Answer:

Equation: 10+x= 15 +0.5x

Time: 10 days

Amount: 20$

Step-by-step explanation:

Equation for Benito:

10 + x*1

Equation for Tavon:

15 + x*0.5

Since the sums equalize at some time, we get:

10+x= 15 +0.5x
x - 05x = 15- 10
0.5x = 5
x= 5/0.5
x= 10 days

After 10 days, Juan will owe both Benito and Tavon $20

7 0

3 years ago

Pls solve this...need help thanks :)

WINSTONCH [101]

Step-by-step explanation:

2² * 3 * 5 = 4 * 3 * 5 = 60.

3² * 5² = 9 * 25 = 225.

7 0

3 years ago

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Put the following equation of a line into slope-intercept form, simplifying all fractions. 12x + 4y = -12​

Put the following equation of a line into slope-intercept form, simplifying all fractions. 12x + 4y = -12