Is the cost of purchasing apples for $1.75 per pound a proportional relationship? Math

Step-by-step explanation:

The sum of the measures insiqe the quadriateral = 360

   one is angle o = 111   and two of them aare 90 degrees each

so    360 - 111 - 90 - 90 = x = 69 degrees

Probability of choosing the biased coin if you won a prize is 0.30

Let "B" be the event of selecting biased coin and "H" be the event of getting head.

P(B) = 0.5

P(getting head when coin was biased) = 100% - 78%

= 22% = 0.22

Using conditional Probability that biased coin was selected given that you have won the prize that is getting head

we have to calculate ,

P(B | H ) = P(B∩H)/P(H)

here , P(B∩H) = P(biased coin selected and getting head) = 0.5 × 0.22

and P(H) = P(getting head)

P(getting head when coin was biased) + P(getting head when coin was unbiased) = 0.5 × 0.22 + 0.5 × 0.5

putting all together ,

P(B | H ) = P(B∩H)/P(H) = 0.5 × 0.22 / 0.5 × 0.22 + 0.5 × 0.5

cancelling 0.5 from numerator and denominator

= 0.22 / 0.5+ 0.22

= 0.22 / 0.72 = 22/72

=0.30

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If MSwithin is smaller than MSbetween, then increasing MSwithin and/or decreasing MSbetween will lead to an increase in the F statistic.

The F statistic is calculated by dividing the variance between groups (MSbetween) by the variance within groups (MSwithin). Therefore, to increase the value of the F statistic, either the numerator (MSbetween) needs to increase, or the denominator (MSwithin) needs to decrease.

So, the answer is:

a. MSwithin > MSbetween

If the variance within groups (MSwithin) is reduced or the variance between groups (MSbetween) is increased, the F statistic will increase. Therefore, if MSwithin is smaller than MSbetween, then increasing MSwithin and/or decreasing MSbetween will lead to an increase in the F statistic.

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Answer:

Correct.

Step-y-step explanation:

Answer:

39

Step-by-step explanation:

6x-15+3x+6=90

Simplify: 9x-9=90

9x=99

x=11

3(11)+6

33+6

<H= 39

Answer:

c

Step-by-step explanation:

i choose (c) because that the answer

Answer:

Step-by-step explanation:

1. A and 2. C

Answer: 34%

Step-by-step explanation:

      Let us assume that the table shown looks like the one I put together below. If your table does not look like this table, please note that this answer may be incorrect and comment what about the table is different.

      To find the percentage of the girls who voted for Splashdown, we will divide the numbers of girls who voted for Splashdown by the total number of girls, and multiply it by 100. Then, we will round to the nearest percent as asked.

\(\displaystyle \frac{46}{53+46+37} *100=\frac{46}{136} *100= 0.338235 * 100 = 33.8235 \approx 34\%\)

Answer:

\(h(7) - 3 = \: 5 {(7)}^{2} + 11 - 3 \\ = 5(49) + 8\)

answer: the answer is 253

If all conditions for inference were met, does the interval provide convincing statistical evidence, at a level of significance of  95%, that the mean number of hours of community service performed last year was indeed different from the recommended 24 hours.

To determine if the 95% confidence interval provides convincing statistical evidence at a level of significance that the mean number of hours of community service performed last year was different from the recommended 24 hours, we'll analyze the constructed interval (20.37, 23.49).
1. First, observe the given confidence interval: (20.37, 23.49)
2. Identify the recommended average of 24 hours by the president.
3. Check if the recommended average is within the confidence interval.
Since 24 hours is not within the interval (20.37, 23.49), it provides convincing statistical evidence, at a level of significance of 95%, that the mean number of hours of community service performed last year was indeed different from the recommended 24 hours.

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In a family with five girls and the probability of a boy being born is 1/2, the probability of the next child being a boy is still 1/2.

The previous births do not affect the probability of the next birth since each birth is an independent event.

The probability of an event occurring is determined by the ratio of the number of favorable outcomes to the total number of possible outcomes. In this case, the event of interest is the birth of a boy.

Since each birth is an independent event, the probability of having a boy on any given birth is always 1/2, regardless of the previous children born.

In the given scenario, the family already has five girls. This information is not relevant to the probability of the next child being a boy. The gender of the previous children does not affect the probability of the next child being a boy or a girl.

Therefore, the probability of the next child being a boy remains 1/2, as it is for any independent birth event.

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Assuming that each person recruited is counted only once and not repeatedly,

and that the scheme fails once there are no more people left to recruit, we can estimate the number of cycles it would take for the pyramid scheme to fail.

If each person recruited adds 8 more people, the number of people involved in the scheme will double with each cycle.

Starting with 8 people, after one cycle there would be 64 people involved, after two cycles there would be 512 people, after three cycles there would be 4,096 people, and so on.

Assuming that the entire population of North America (387,000,000 people) is available to be recruited, it would only take 9 cycles for the scheme to reach over 390,000,000 people, exceeding the entire population.

However, in reality, the scheme would likely fail before then due to saturation, lack of new recruits, and legal action.

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The calculated measure of the angle x is 100 degrees

From the question, we have the following parameters that can be used in our computation:

The figure

The sum of angles in a quadrilateral is 360 and the angle at a point is 360

Also, the sum of angles on a straight line is 180

So, we have

360 - x + (180 - 130) + (180 - 170) + (180 - 140) = 360

So, we have

- x + (180 - 130) + (180 - 170) + (180 - 140) = 0

Next, we have

x = (180 - 130) + (180 - 170) + (180 - 140)

Evaluate

x = 100

Hence, the value of x is 100 degrees

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Answer: C (ED 2020)

Step-by-step explanation:

C, s + c = 2.75

c - s = 1.5

.60 mi/h

The equation of the locus of the points are found using the characteristic  of the shape formed by the locus as follows;

The locus of a point is the set of points that meet the requirements of the equation or condition of the path of the locus.

The locus of a point that moves so that it is always 9 units (equidistant) from the (a) point (-1, -1) is a circle

Where;

(h, k) = The center of the circle = (-1, -1)

r = The radius of the circle = 9

Therefore;

h = -1, k = -1

r = 9

The equation of the locus is therefore;

(x - (-1))² + (y - (-1))² = 9²

The locus of the point is therefore;

2. The locus of a point that moves such that it is equidistant from two points, is the perpendicular bisector of the segment joining the points,

Therefore;

The locus bisects the segment joining the points as follows;

The coordinate of the midpoint of the segment joining the points (-4, 6) and (2, -7) is (-4 + (2 - (-4))/2, 6 + (-7 - 6)/2) = (-1, -0.5)

The locus is perpendicular to the line joining (-4, 6) and (2, -7), the slope of the locus is therefore;

(-7 - 6)/(2 - (-4)) = -13/6

The slope of the perpendicular bisector is therefore; -1/(-13/6) = 6/13

The equation of the locus is therefore;

y - (-0.5) = (6/13) × (x - (-1)) = (6·x/13) + 6/13

y = (6·x/13) + 6/13 - 0.5 = 6·x/13 - 1/26

The equation of the locus is therefore;

3. The locus of a point that moves so that it is equidistant from the point (-5, 1) and the line y = 3, is a parabola, with directrix, y = 3, and focus (-5, 1)

The equation of the directrix of a parabola is; y = k - p

The coordinates of the focus is; (h, k + p)

The coordinates of the vertex is; (h, k)

The equation of the parabola is; (x - h)² = 4·p·(y - k)

Therefore;

(-5, 1) = (h, k + p)

h = -5

k + p = 1

3 = k - p

Therefore;

3 + 1 = k + p + k - p = 2·k

2·k = 4

k = 4/2 = 2

k = 2

k + p = 1

Therefore; 2 + p = 1

p = 1 - 2 = -1

The equation of the parabola is therefore;

(x - (-5))² = 4×(-1)×(y - 2) = -4 × (y - 2) = -4·y + 8

-4·y + 8 = (x - (-5))²  = (x + 5)² = x² + 10·x + 25

-4·y + 8 = x² + 10·x + 25

-4·y = x² + 10·x + 25 - 8 = x² + 10·x + 17

-4·y = x² + 10·x + 17

The equation of the locus is therefore;

4. The equation of the locus is the equation of the perpendicular bisector to the segment joining (3, 2) and (-1, 5), which can be found as follows;

The midpoint of the segment joining (3, 2) and (-1, 5) is; (3 + (-1 - 3)/2, 2 + (5 - 2)/2

(3 + (-1 - 3)/2, 2 + (5 - 2)/2) = (1, 3.5)

The coordinate of the midpoint is; (1, 3.5)

The slope of the line joining (3, 2), and (-1, 5) is; (5 - 2)/(-1 - 3) = -3/4

The slope of the perpendicular bisector is therefore;

-1/(-3/4) = 4/3

The equation is therefore;

y - 3.5 = (4/3) × (x - 1)

y = (4/3) × (x - 1) + 3.5 = 4·x/3 + 13/6

5. The locus is the graph of a parabola

The focus = (2, -3)

The directrix is y = 7

Therefore;

(h, k + p) = (2, -3)

h = 2

k + p = -3

k - p = 7

2·k = 7 + (-3) = 4

k = 4/2 = 2

k = 2

k + p = -3

p = -3 - k

Therefore;

p = -3 - 2 = -5

p = -5

The equation, (x - h)² = 4·p·(y - k), is therefore;

(x - 2)² = 4 × (-5) × (y - 2) = -20·y + 40

x² - 4·x + 4 = -20·y + 40

-20·y + 40 = x² - 4·x + 4

-20·y = x² - 4·x + 4 - 40 = x² - 4·x - 36

y = -x²/20 - 4·x/20+ 36/20 = -0.05·x² - 0.2·x + 1.8

The equation of the locus is therefore; y = -0.05·x² - 0.2·x + 1.8

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Answer:

1 f(n) = 3(5)^x-1

2 f(n) = 40(3/2)^x-1

Step-by-step explanation:

The first number in the sequence, times the (multiplicative factor)^ x-1 is the rule for geometric sequences.

Answer:

graph A on edge 2020

Step-by-step explanation:

I took the test

Answer:

just move the decimal a 107 times and add 0's

Step-by-step explanation:

Statistical conclusion validity is the extent to which inferences and conclusions drawn from statistical data are valid.

The main threat to statistical conclusion validity discussed in class is the potential for spurious correlations. This is when two variables appear to be related when in fact they are not.

Statistical conclusion validity is a measure of how valid the conclusions drawn from statistical data are. This is important because it allows us to draw valid inferences from the data. The main threat to statistical conclusion validity discussed in class is the potential for spurious correlations. This is when two variables appear to be related when in fact they are not. For example, a study may show that there is a correlation between ice cream sales and crime rate, when in fact it is merely a coincidence that both variables increase during the summer months. By controlling for other variables and using appropriate statistical tests, it is possible to identify and avoid spurious correlations.

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Answer:

< is angle, Dont be confused

m<1= 51

m<2=39

m<3=90

m<4=51

m<5= 17

m<6= 129

mark me as a brainiest

Answer:12, 24, 36, 48, 60

Answer:

12 (12*1), 24 (12*2), 36 (12*3), 48 (12*4), and 60 (12*5) (if 12 doesn't count, 72 is 12*6)

Given: A continuous uniform distribution over the interval [1.8, 5.4].To find:(a) Mean of X.(b) Variance of X.(c) P(X < 3.4)

The following formula is used to determine the mean of X when its continuous uniform distribution falls within the range [a, b]. And X's variance is given by 2 = (b - a)2/12.

Part (a): Mean of X The given interval is [1.8, 5.4].So, a = 1.8 and b = 5.4By using the above formula of mean,μ = (a + b)/2μ = (1.8 + 5.4)/2μ = 3.6Hence, the mean of X is 3.6.

Part (b): Variance of X By using the formula of variance,σ² = (b - a)²/12σ² = (5.4 - 1.8)²/12σ² = (3.6)²/12σ² = 12.96/12σ² = 1.08Hence, the variance of X is 1.08.

Part (c): P(X < 3.4)We have to find P(X < 3.4)The given distribution is a continuous uniform distribution over the interval [1.8, 5.4].The probability density function for this is,f(x) = 1/(5.4 - 1.8)f(x) = 1/3.6We have to find P(X < 3.4) = P(1.8 ≤ X ≤ 3.4)

From the probability density function,f(x) = 1/3.6And we know that, P(a ≤ X ≤ b) = ∫[a,b] f(x) dxBy using this, we get,P(1.8 ≤ X ≤ 3.4) = ∫[1.8, 3.4] 1/3.6 dxP(1.8 ≤ X ≤ 3.4) = [x/3.6]1.8³.⁶ - 1.8P(1.8 ≤ X ≤ 3.4) = [3.4/3.6] - [1.8/3.6]P(1.8 ≤ X ≤ 3.4) = 0.56 - 0.50P(1.8 ≤ X ≤ 3.4) = 0.06. Hence, P(X < 3.4) = 0.06.  

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Answer:

Yes

Step-by-step explanation:

A negative plus a negative will always equal a negative.

-2 + -2 = -4

~theLocoCoco

Answer:

644.972

Step-by-step explanation:

6x100=600

4x10=40

4x1=4

9x(1/10)=0.9

7x(1/100)=0.07

2x(1/1000)=0.002

add all of these values up. hope this helps!

Answer: yhu got to write the slope.

Step-by-step explanation:

If at a store 4% of the eggs are cracked and you buy a dozen, then the probability that at least 1 is cracked is 0.916

The probability that the egg is cracked = 4%

= 0.04

The probability that the egg is not cracked = 1 - 0.04

= 0.96

Total number of eggs = 12 eggs

The probability that the one egg is cracked = 12 × 0.04 × (0.96)^11

= 0.306

The probability that 0 eggs are cracked = 1 × 0.04^0 × 0.96^12

= 0.61

The probability that at least 1 egg is cracked = 0.306 + 0.61

= 0.916

Therefore, the probability that at least 1 egg is cracked is 0.916

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Answer: f(4)=17

Step-by-step explanation:

Plug 4 into 5x-3, as this includes 4 in the domain.

5(4)-3=17

Answer:

30

Step-by-step explanation:

.2x45=9 so then you will have to multiply .2 by something less then 45.

.2x40=8

.2x35=7

.2x30=6

Answer:

multiply -7 by 6x and then multiply-7 by 7

-7(6x)-7(7)

-42x-49=-133

+49. +49

the 49 cancel out

-42x=-84

divide both sides by -42

-42x/-42=-84/-42

the -42 cancel out

leaving x=2 the negatives cancel out making it positive

Answer: 7 tens and 6 ones

Step-by-step explanation: 76 is two numbers, with a 7 in the tens place and a 6 in the ones place.

76 can be represented as 7 tens and 6 ones or as 6 tens and 16 ones. This involves understanding the place value of digits in a number and knowing that a ten can be broken down into ones.

The number 76 can be broken down into tens and ones in multiple ways. First, let's understand what tens and ones mean in the context of a number. In the number 76, '7' is the tens place, and '6' is the ones place, meaning there are 7 tens (70) and 6 ones (6) making up 76.

One way to show 76 with tens and ones is to say that there are 7 tens and 6 ones. This is a very direct method where we just count the number of tens and ones in the number.

Another way we could break down 76 is to say there are 6 tens and 16 ones. This method involves taking one of the tens and breaking it down into 10 ones, giving us a total of 6 tens and 16 ones.

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The inequality that shows the minimum amount of Isaac is x ≥ $2,455.21

What is inequality?

An inequality is a mathematical statement that compares two expressions and expresses the relationship between them. It is represented by a symbol such as ">", "<", "≥", or "≤" and can be thought of as a generalization of an equation.

First, we need to find Isaac's monthly gross income. Since he has a bi-weekly gross income of $1,925, we can calculate his monthly gross income as follows:

Monthly gross income = bi-weekly gross income x 26 / 12 = $1,925 x 26 / 12 = $4,158.33

The debt-to-income ratio is the ratio of monthly debt payments to monthly gross income, expressed as a percentage.

We want to find the minimum amount by which Isaac needs to reduce his monthly debt payments to have a debt-to-income ratio of 35%.

So we can set up the following inequality:

Minimum monthly debt payments / Monthly gross income ≤ 35% / 100%

Substituting the given values, we get:

$3,915 / $4,158.33 ≤ 0.35

Simplifying this inequality, we get:

0.9407 ≤ 0.35

This inequality is not true, so we made an error in our calculations. Let's check the calculation of monthly gross income. We should have:

Monthly gross income = bi-weekly gross income x 26 / 12 = $1,925 x 26 / 12 = $4,158.33

This calculation is correct. The problem is that the minimum monthly debt payments of $3,915 are already higher than what is allowed by the debt-to-income ratio of 35%. In fact, the maximum monthly debt payments Isaac can have to satisfy the 35% debt-to-income ratio is:

Maximum monthly debt payments = Monthly gross income x 35% = $4,158.33 x 35% = $1,454.92

Therefore, the minimum amount by which Isaac needs to reduce his monthly debt payments is:

$3,915 - $1,454.92 = $2,460.08

Rounding this to two decimal places, we get $2,460.09, which is closest to the fourth option:

x ≥ $2,455.21

Hence,  the inequality that shows the minimum amount of Isaac is x ≥ $2,455.21

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Answer:

9/10

Step-by-step explanation:

because it is