Please help ASAP if you know how. Thanks so much

Answer:

Your answer will be "B" Trust me

Answer:

Number 2

Step-by-step explanation:

If you substitute -1 to the x in the second equation you'll get 3+15=18

18=18

Answer:

Step-by-step explanation:

The value of P(x>6) is 1/5.

Statistics is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data.

Given that A distribution is given as X ~ U(0, 12).

We need to find the value of  P(x > 6)

The probability density function of the uniform distribution is defined as:

f(x)=1/b-a, a<x<b

a=0 and b=12

f(x)=1/12 , 0<x<12

The required probability is P(x>6)

Now P(x>6)= [tex]\int\limits^2_6 {f(x)} \, dx[/tex]

P(x>6)=(12/12-6/12)

=1-1/2

=1/2=0.5

Hence, the value of P(x>6) is 1/5.

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Answer:

90

Step-by-step explanation:

77degrees is one half of the side if see the line is exactly straight aplogies if i'm wrong

Answer:

Step-by-step explanation:

In parallelogram, diagonals bisect each other

DP = IP

7x - 8 = 3x

7x       = 3x + 8

7x - 3x = 8

      4x = 8

       x = 8/4

     x = 2

NP = YP

3y = 7x - 2

3y = 7*2 - 2

3y = 14 - 2

3y = 12

y = 12/3

y = 4

Answer:

AC = 7.29 in

AB = 11.58 in

Step-by-step explanation:

tan 51 = 9/AC

1.2349 = 9/AC

AC = 7.29 in

sin 51 = 9/AB

0.7771 = 9/AB

AB = 11.58 in

Answer:

4 hours 25 minutes

Step-by-step explanation:

subtract 1.35 from 6.00 and recall that 60 minutes make one hour. = 6.00 - 1.35. = 4.25

Answer:

The mean of the sampling distribution of p is 0.25 and the standard deviation is 0.0685.

Step-by-step explanation:

Central Limit Theorem

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean [tex]\mu[/tex] and standard deviation [tex]s = \frac{\sigma}{\sqrt{n}}[/tex].

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

For a proportion p in a sample of size n, the sampling distribution of the sample proportion will be approximately normal with mean [tex]\mu = p[/tex] and standard deviation [tex]s = \sqrt{\frac{p(1-p)}{n}}[/tex]

25% of the approximately 1000 issues reported per month that require more than one call.

This means that [tex]p = 0.25[/tex]

What are the mean and standard deviation of the sampling distribution of p?

Sample of 40 means that [tex]n = 40[/tex].

By the Central Limit Theorem,

The mean is [tex]\mu = p = 0.25[/tex]

The standard deviation is [tex]s = \sqrt{\frac{p(1-p)}{n}} = \sqrt{\frac{0.25*0.75}{40}} = 0.0685[/tex]

The mean of the sampling distribution of p is 0.25 and the standard deviation is 0.0685.

Answer:

b

Step-by-step explanation:

Answer:

-8/65 is the answer ......................

Answer:

1k

Step-by-step explanation:

-6k+7k=1k

or

7k-6k=1k

Answer:

The answer would be found by adding -6  and 7 k so itd be 1k or just k

Answer:

Infinite

Step-by-step explanation:

Answer:

8

Step-by-step explanation:

I took assignment. Please mark brainliest

Answer:

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Step-by-step explanation:

Answer: The tailor made 8 complete hats

Step-by-step explanation:

Amount of fabrics available to make hat = 6 2/3 yards

1 hat requires = 5/6 yards

Number of hat to obtain from the available fabric = Amount of fabrics available to make hat / requirement of 1 hat

=(6 2/3) / (5/6)

(20/3) / (5/6)

20/3 x 6/5 = cancelling out, we are left with

4x2= 8 hats

or

(20/3) / (5/6)

6.6666 /0.83333

= 8.00002= 8 hats

Answer:

a) Yes, the two variables correlated

b) Yes, variation of sugar changes the number of orders for item containing sugar

Step-by-step explanation:

a) Yes the two variables are moderately co-related as the value of co-relation lies between 0.5 and 0.7

b) Yes the variation in amount of sugar leads to variation in the number of orders with sugar.

Answer:

23/42

Step-by-step explanation:

width/length

46/84

=23/42

23:42

=.5476

The ratio of the width to the length of the cell phone will be 42: 23.

A ratio is a group of sequentially ordered numbers a and b expressed as a/b, where b is never equal to zero. When two objects are equal, a statement is said to be proportional.

Division means the separation of something into different parts, sharing of something among different people, places, etc.

A cell phone is 84 mm long and 46 mm wide.

Then the ratio of the width to the length will be calculated by the division of the number 84 by 46. Then we have

⇒ 84 / 46

⇒ 42 / 23

The ratio of the width to the length of the cell phone will be 42: 23.

More about the ratio and the proportion link is given below.

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Answer:

70 sq. in

Step-by-step explanation:

7*10=70

sorry if im wrong

Answer:

Point-Slope Form: y-2 = -1(x+7) Slope-Intercept Form: y = -x-5 Standard Form: x+y = -5

Step-by-step explanation:

Because we were giving the slope and a point, we can write this in point-slope form.

Point-Slope Form: y-y1=m(x-x1)

Substitute the point and slope into (x1,y1) and m: y-2 = -1(x-(-7))  

y-2 = -1(x-(-7))  = y-2 = -1(x+7)

y-2 = -1(x+7)

If want in slope-intercept form (y=mx+b),

y-2 = -1(x+7)

y-2 = -1x-7

y = -1x-5 = y = -x-5

To convert to standard form (ax+by=c)

y = -x-5

y+x = -5 = x+y = -5

Hoped I've helped! Good Luck!

Answer:

[tex]Sum = -81[/tex]

Step-by-step explanation:

See the comment for complete question.

Given

[tex]c = 36[/tex] ----- Constant

No coefficient of x^2

Required:

Determine the sum of all distinct positive integers of the coefficient of x

Reading through the complete question, we can see that the question has 3 terms which are:

x^2 ---- with no coefficient

x ---- with an unknown coefficient

36 ---- constant

So, the equation can be represented as:

[tex]x^2 + ax + 36 = 0[/tex]

Where a is the unknown coefficient

From the question, we understand that the equation has two negative integer solution. This can be represented as:

[tex]x = -\alpha[/tex] and [tex]x = -\beta[/tex]

Using the above roots, the equation can be represented as:

[tex](x + \alpha)(x + \beta) = 0[/tex]

Open brackets

[tex]x^2 + (\alpha + \beta)x + \alpha \beta = 0[/tex]

To compare the above equation to [tex]x^2 + ax + 36 = 0[/tex], we have:

[tex]a = \alpha + \beta[/tex]

[tex]\alpha \beta = 36[/tex]

Where: [tex]\alpha, \beta <0[/tex] and [tex]\alpha \ne \beta[/tex]

The values of [tex]\alpha[/tex] and [tex]\beta[/tex] that satisfy [tex]\alpha \beta = 36[/tex] are:

[tex]\alpha = -1[/tex] and [tex]\beta = -36[/tex]

[tex]\alpha = -2[/tex] and [tex]\beta = -18[/tex]

[tex]\alpha = -3[/tex] and [tex]\beta = -12[/tex]

[tex]\alpha = -4[/tex] and [tex]\beta = -9[/tex]

So, the possible values of a are:

[tex]a = \alpha + \beta[/tex]

When [tex]\alpha = -1[/tex] and [tex]\beta = -36[/tex]

[tex]a = -1 - 36 = -37[/tex]

When [tex]\alpha = -2[/tex] and [tex]\beta = -18[/tex]

[tex]a = -2 - 18 = -20[/tex]

When [tex]\alpha = -3[/tex] and [tex]\beta = -12[/tex]

[tex]a = -3 - 12 = -15[/tex]

When [tex]\alpha = -4[/tex] and [tex]\beta = -9[/tex]

[tex]a = -4 - 9 = -13[/tex]

At this point, we have established that the possible values of a are: -37, -20, -15 and -9.

The required sum is:

[tex]Sum = -37 -20 -15 - 9[/tex]

[tex]Sum = -81[/tex]

Answer:

how did this get in the math section._.

Answer:

The probability is of selecting a green shirt is 8

Step-by-step explanation:

24 - 4 = 20

20 - 12 = 8

The probability of not selecting a white shirt is 2/3.

It is a branch of mathematics that deals with the occurrence of a random event.

Given that a laundry basket has 24 t-shirts 4 are navy 12 are red and the rest are white

We have to find the probability of not selecting a white shirt

Total number of shirt's= 24

navy = 4

red = 12

white = 24 - ( 4+12)= 8 white shirts

number of shirts that are not white = 16

Therefore the probability of not selecting a white shirt = 16/24

= 2/3

Hence, the probability of not selecting a white shirt is 2/3.

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A laundry basket has 24 t-shirts 4 are navy 12 are red and the rest are white what is the probability of not selecting a white shirt

First of all, observer that 16/4=4

Secondly, 32/1=32 because everything divided by 1 is itself.

Now the question is 4/32

We divide 4 from both top and bottom.

getting 1/8

Answer =

= (4x - 5)²

= 16x² - 40x + 25

Answer:

not 100% sure but I think it's 27/8

Step-by-step explanation:

I give you all right to be mad if i'm wrong (:P)

Answer:

6x-30

Step-by-step explanation:

Just multiple like this (6)(x-5)

Answer:

[tex] \huge \boxed{ \boxed{ \sf \: y = x + 15}}[/tex]

Step-by-step explanation:

all we need to care about the middle condition which is

given that

original score is x

New score is y

if you pay attention to the given condition

we can find it same as linear equation

therefore

according to the question

the equation is

Answer:

parralelagram

Step-by-step explanation:

Answer:

32.5 each ticket cost

Step-by-step explanation:

130÷4=32.5

Answer:

The critical value is T = 1.895.

The 90% confidence interval for the mean repair cost for the washers is between $48.159 and $72.761

Step-by-step explanation:

We have the standard deviation for the sample, so we use the t-distribution.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 8 - 1 = 6

90% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 6 degrees of freedom(y-axis) and a confidence level of [tex]1 - \frac{1 - 0.9}{2} = 0.95[/tex]. So we have T = 1.895, which is the critical value.

The margin of error is:

[tex]M = T\frac{s}{\sqrt{n}} = 1.895\frac{18.36}{\sqrt{8}} = 12.301[/tex]

In which s is the standard deviation of the sample and n is the size of the sample.

The lower end of the interval is the sample mean subtracted by M. So it is 60.46 - 12.301 = $48.159

The upper end of the interval is the sample mean added to M. So it is 60.46 + 12.301 = $72.761

The 90% confidence interval for the mean repair cost for the washers is between $48.159 and $72.761