In a urvey of 300 houe wire. It wa dicovered that 150 had read magazine A, 200 had read Magazine B and 156 had read magazine C It wa further dicovered that 48 had read A and B 60 had read B and a while 52 hand read A and a. Find The number of houewive that had read. All three magazine ​

The equation of line that passes through the point (8,6) and has a slope of 0 is y = 6.

As the sated question-

The passing point; (x1, y1) =  (8,6)

slope m = 0

Thus, equation lo line by slope intercept form is-

y - y1 = m(x - x1)

y - 6 = 0(x - 8)

y = 6

Thus, the equation of the line that passes through the point (8,6) and has a slope of 0 is y = 6.

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A constant does not change its value over time. A variable, on the other hand, changes its value dependent on the equation.

A term is either a number, a variable, or the product of a number and a variable. A coefficient is your term's numerical factor. A constant term is one that only contains a number. In other words, a constant term contains no variables.

Constants are algebraic expression terms that only contain numbers. That is, they are the terms that do not have variables. We call them constants because their value never changes because the term contains no variables that can change its value.

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Answer:

Step-by-step explanation:

Since two angles of △ABC are congruent to two angles of △PQR, the third pair of angles must also be congruent, so ∠C≅∠R, and △ABC≅△PQR by ASA. The corresponding congruent angles are: ∠A≅∠P, ∠B≅∠Q, ∠C≅∠R. The corresponding congruent sides are: AB ≅ PQ, BC ≅ QR, AC ≅ PR.

Answer:

17 pennies, 14 nickels

Step-by-step explanation:

let p = pennies and n = nickels

p + n = 31 coins

p = 31 - n

0.01p + 0.05n = $0.87

0.01(31 - n) + 0.05n = 0.87

0.31 - 0.04n = 0.87

0.04n = 0.56

n = 14

p = 31 - 14

p = 17

hope this made sense :)

As described in number system the of positive integers is 13

what is number system ?

A numeral system, also known as a mathematical notation, is a way of writing numbers that uses digits or other symbols to represent the numbers in a given set in a standardised way. In different numeral systems, the same set of symbols may represent various numbers.

Solution:

we want the integers b such that

2013 = 3 ( modb)

=> b is a factor of 2010

since 2010 has 2 * 3 * 5* 67 it has

(1+1)(1+1)(1+1)(1+1) = 16 factors

since b cannot equal to 1, 2, or 3, as these cannot have 3 in there base representation, our answer is 16 - 3 =13.

therefore the number of positive integers is 13

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The sample proportion of the business travelers who use a laptop computer on overnight trips is 0.6417.

Given:

a survey that found that 351 of 547 business travelers use a laptop computer on overnight business trips.

we are asked to find the sample proportion based on this survey, who use a laptop computer on overnight business trips = ?

sample proportion:

The sample proportion (p) indicates the percentage of people in a sample who exhibit a particular quality or attribute. Divide the number of individuals (or items) who have the desired attribute by the overall sample size to obtain the sample proportion.

P = X/N

P = 351/547

P = 0.641681

round off to four decimal places.

P = 0.6417

Hence we get the sample proportion as 0.6417

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Answer:

estimate - 455

actual sum 376

The amount of sugar in final recipe will be 5/8

Fractions are used to represent smaller pieces (or parts) of a whole.

Given that, You decide to subtract ⅛ of a cup of sugar from the original amount of ¾ of a cup.

3/4-1/8 = 5/8

Hence, The amount of sugar in final recipe will be 5/8

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According to the perpendicular bisector theorem, the statement that is true is: B. BI = BK.

The perpendicular bisector theorem states that if a line segment bisects another line segment perpendicularly, therefore, any point on the perpendicular would be the same distance from the endpoints of each of the line segment that was bisected.

In the diagram above, we are told that line segment AB is a perpendicular bisector of line segment IK. This means that, according to the perpendicular bisector theorem, any point on line segment AB, would be equidistant to the endpoints of line segment IK.

This implies that:

The length of BI is the same as the length of BK. Thus, the correct answer is: B. BI = BK.

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The linear equation that represents the total amount in her emergency fund after x number of months be

y = 320x + 2000

Given, Stella wants to build up her emergency fund to $10,000. She has $2,000 now and plans on saving $320 every month.

we have to model the situation in a linear equation,

Let the number of months be, x

and the total amount in her emergency fund be, y

As, she starts with $2000 so the y-intercept will be 2000

also she save $320 every month so the slope be 320

So, the equation be,

y = 320x + 2000

Hence, the linear equation that represents the total amount in her emergency fund after x number of months be

y = 320x + 2000

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Answer:

AED 1000

Step-by-step explanation:

The  price is 600 after 40% discount

if original price is ,

100% : x = 60% : 600

1 : x = 0.6 : 600

600 = 0.6x

 x = 1000

Answer:22

Step-by-step explanation:

Answer:

15%

Step-by-step explanation:

Since the problem is to find how much 69 is as a percent if 60 is 100%, we can use a rule of three, simple, direct proportion to do it:

60 = 100%

68 = x

x = 69x100/60

x = 115

That means 69 is 115% of 60, which means that the error is of:

115 - 100 = 15%

Hope this helps, have a great day! :D

The number of apples and the number of mangos that Jordan bought is

The worth of apple and mango is $13.50

Each apple costs $1.50 and each mango costs $0.75

let the amount of apple by x then amount of mangoes be y. such that

1.50x + 0.75y = 13.50

6 more mangoes than apples this means that

x = y + 6

x - y = 6

the two equations formed are

1.50x + 0.75y = 13.50

x - y = 6

solving the simultaneous equation gives

x = 8

y = 2

The number of apples bought is 8  and the number of mangoes bought is 2

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In one hour, the car covered a distance of 26.66 miles

Given,

The time when the trip begins = 2.00 pm

Distance travelled till 5.00 pm = 80 miles

Here,

Mean value Theorem;-

The Mean Value Theorem says that there exists a point c in the interval (a, b) such that f'(c) equals the function's average rate of change throughout [a, b] if a function f is continuous on the closed interval [a, b] and differentiable on the open interval (a, b).

The Mean Value Theorem is as follows. F is constant over I if f′(x)=0 over a period I. If f′(x)=g′(x) over I for two differentiable functions f and g, then f(x)=g(x)+C for some constant C.

Here,

2 pm to 5 pm = 3 hours

80 miles in 3 hours

That is,

80/3 = 26.66 miles per hour

That is,

The car travelled a distance of 26.66 miles in an hour.

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By using the expanded form of a number, it can be concluded that

Difference between a three digit positive integer with all digits distinct and its reverse is surely divisible by 1, 3, 9, 11, 33, 99

What is expanded form of a number?
Every number can be written as a sum of the place value of its digit. This is known as expanded form of a number

Let the three digit positive integer be n = abc where a, b and c are distinct positive integers

n can be written as 100a + 10b + c

Its reverse is n' = cba

n' can be written as 100c + 10b + a

Difference between the number and its reverse

= 100a + 10b + c - 100c - 10b -a

=  99a - 99c

= 99(a - c)

= Since a and c are distinct, a - c [tex]\neq[/tex] 0

Difference between a three digit positive integer with all digits distinct and its reverse is surely divisible by 1, 3, 9, 11, 33, 99

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Step-by-step explanation:

answers is 1 and 2 by 3

all the best

The probability of getting the 6 on the first die given that the minimum of two numbers is 0.11.

Probability is a branch of mathematics that deals with numerical descriptions of how likely an event is to occur or how likely a proposition is to be true. The probability of an event is a number between 0 and 1, where 0 indicates the event's impossibility and 1 indicates certainty.

Given that Two dice are rolled.

Then the sample space (n) = 36

Possible outcomes = {(6,1), (6, 2), (6, 3), (6, 4)}

Probability = 4/36

                = 0.11

Hence, the probability of getting the 6 on the first die given that the minimum of two numbers is 0.11.

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Answer:

Step-by-step explanation:

15/5= how many saves per game
1 game = 3 saves

Answer:

The unit rate is 3 saves per game.

Step-by-step explanation:

15 / 5 = 3

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The width of a confidence interval increase except increased sample size , the correct option is (b) .

In the question,

it is asked that which option will decrease the width of a confidence interval ,

we know that the ,

the decrease in sample size increases the width of the confidence interval , and

the increased confidence interval also leads to increase in width of confidence interval , and

the increase in variation also leads to increase in the width of the confidence interval .

So , the only option that decreases the width of the confidence interval is increased sample size

that is increase in sample sizes causes smaller confidence interval.

Therefore , the correct option is (b) .

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Answer:

b=-3

Step-by-step explanation:

11=2b+17

subtract 11 from both sides

then you get 2b+6=0

so b=-3

Answer: -3

Step-by-step explanation:

Hey! Here's a simple solution -

Step 1 - Subtract 17 from both sides -

11 - 17 = 2B + 17-17

-6 = 2B

Step 2 - Divide both sides by 2

-3 = B

Hope this helped you! Peace out!

Anna charges $100 for an initial fee, Derek charges $100 for an initial fee. Derek charges less for an initial fee

The equation is given as

f(x) = 70x + 100 ---- Anna

Also, we have

Derek

x (hours) 0 1 2 3 4

cost ($) 70 170 270 370 470

Set x = 0, to calculate the initial fees

So, we have

Anna: f(0) = 70(0) + 100

Evaluate

Anna: f(0) = 100

For Derek, we have

Cost = $70, when x = 0

Hence, Derek charges less for an initial fee

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Since the mean height of all children this age is 38 inches, the z-score is 1.282, and the child's height is 40 inches, the standard deviation of all children's heights will be 1561.

The standard deviation is a statistic that expresses how much variance or dispersion there is in a group of numbers. While a high standard deviation suggests that the values are dispersed throughout a larger range, a low standard deviation suggests that the values tend to be near to the established mean. The term "standard deviation" (or "") refers to a measurement of the data's dispersion from the mean. A low standard deviation indicates that the data are grouped around the mean, whereas a high standard deviation shows that the data are more dispersed.

Here,

The z-score which separates the top 10% of a normally distributed

population is 1.282.

Since z = (x-u)/sigma

1.282 = (40-38)/sigma

sigma = 2/1.282

sigma = 1/0.641 = 1561

The standard deviation of the heights of all children of this age will be 1561 as mean is 38 inch and z-score is 1.282 as well as the height of child is 40 inch.

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Answer: 18°

Step-by-step explanation:

     The question doesn’t state where F is in relation to A, B or E, so we have to guess. Here are two guesses.

If ABF is a straight line then ∠ABE+∠EBF=180, so 2n+7+4n-13=180, 6n-6=180.

Divide each side by 6: n-1=30 so n=31 and m∠ABE=2n+7=2×31+7=62+7=69°.

If BF bisects ∠ABE, then ∠ABE=2×∠EBF, so 2n+7=2(4n-13)=8n-26. So 6n=33 and, dividing both sides by 3: 2n=11. Therefore m∠ABE=2n+7=11+7=18°.

Option B, The center 95% of players had an average weight of 151 pounds.

Football players' weights have a mean of 200 pounds as well as a standard deviation of 25 pounds, which corresponds to a normal distribution.

So, let x represent a football player's weight.

X ≅ N(200, (25)²)

The minimal weight of the center 95% of the members is

P(X > 95) = P((95 - 200) ÷ 25) < (X - µ) ÷ σ)

P(X > 95) = P(-4.2 < z)

P(X > 95) = - P(z < -4.2)

P(X > 95) = 0.1512

The needed percentage is 0.1512 × 100 = 151.2 percent.

A probability distribution that is equal around the mean is the normal distribution, sometimes referred to as the Gaussian distribution. It demonstrates that data that are close to the mean occur more frequently than data that are far from the mean.

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The volume of the  soup pot is 427.04 inches³

The soup pot is 8. 5 inches tall with a radius of 4 inches

We need to find the volume of the soup pot

What is volume?

Volume, is defined as the space that a body occupies. it is the ratio of the mass of object to its density.

Volume of cylinder = 3.14r²h

Where r represents the radius of the cylinder and h represents the height of the cylinder.

Volume of cylinder = 3.14 x 4 x 4 x 8.5

Volume = 427.04 inches³

Thus, the required volume of the soup pot when it is s 8. 5 inches tall with a radius of 4 inches is 427.04 inches³

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Answer:

perpendicular

Step-by-step explanation:

Find the slope for both lines and compare. Same slope would mean parallel. Different slopes means intersecting lines. But specifically if the slopes are opposite sign and reciprocals (one is flipped over from the other) then they are perpendicular.

Put them in slope-intercept form to find the slope.

y = mx + b

m is the slope (number by the x)

y = 3(x+7)

distribute the 3.

y = 3x + 21

This line has a slope of 3.

y + 5 = -1/3 x

y = -1/3 x - 5

This line has a slope of -1/3.

-1/3 and 3 are negative reciprocals. They have opposite signs. Also 1/3 is just 3 but flipped over. They are perpendicular.

Probability of randomly selecting four committee members with only sophomores or juniors is equal to 0.77.

As given in the question,

Total number of group members including 3 freshmen, 4 sophomores, 4 juniors, and 3 seniors = 14

Number of members required to form a committee = 4

Condition apply:

Committee consists of only sophomores or juniors

Let 'A' represents the sophomores

'B' represents the juniors

Total number of possible outcomes = ¹⁴C₄

Event A and B are independent of each other.

Favourable outcomes are :

2(⁴C₀⁴C₄ + ⁴C₁⁴C₃) +⁴C₂⁴C₂

Required probability

= 2(⁴C₀⁴C₄ + ⁴C₁⁴C₃) +⁴C₂⁴C₂ / ( ¹⁴C₄)

= [2( 1 + 16) + 36 ] / ( 7 × 13 )

= 70 /  91

=0.77

Therefore, the probability of the committee consists of only sophomores or juniors is equal to 0.77.

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There is a 1/4 probability that the family's next child will be a girl.

The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a statement is true.

An event's probability is a number between 0 and 1, where, roughly speaking, 0 denotes the event's impossibility and 1 denotes certainty.

So, the probability that the next child born will also be a girl:

We know that:

There is a 50% chance that a female will be the only kid born.

That is: 1/2

The likelihood that the family's subsequent kid will be a girl is:

1/2 * 1/2 = 1/4

Therefore, there is a 1/4 probability that the family's next child will be a girl.

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The probability of spinning an even number and flipping heads is 1/5

The sections on the spinner are given as

Sample space (sections) = {1, 2, 3, 4, 5}

These sections mean that

P(Even number) = Count of even numbers/Number of sections

So, we have the following representation

P(Even number) = 2/5

Also, we have

Coin = {H, T}

This means that

P(Head) = 1/2

So, we have the probability equation

P(Even and Head) = P(Even) * P(Head)

This gives

P(Even and Head) = 2/5 * 1/2

Evaluate

P(Even and Head) = 1/5

So, the probability is 1/5

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Answer:

Answer

Step-by-step explanation:

10. is (-1,0)

12. is (3,0)

14. is (1,0)