In triangle def, m∠d = (3x 27)°, m∠e = (4x 22)°, and m∠f = 68°. determine the degree measure of the exterior angle to ∠d. 54° 58° 122° 126°

During the fundraiser, Ada made $52.

How would you define a fundraiser?

An occasion for raising money for a cause, charity, or non-profit group is known as a fundraising event (also known as a fundraiser).

Which one has two variables in a linear equation?

Therefore, a linear equation in two variables is any equation that can be written in the form ax + by + c = 0, where a, b, and c are real values, and a and b are not equal to zero.

Given specifications:

We must approach this issue methodically if we are to find a solution.

Let Manny's fundraising total equal M.

Ada's fundraising total = A

Let's now proceed sentence by sentence through the issue and explain it algebraically;

Ada raised more money ($7) than Manny did.

Algebraically;

M = 2A - 7 ——- (I)

Ada earned $45 less than Manny did.

M = A + 45 ——- (II)

Now that two equations have been established, we may equalize them and find A;

2A - 7 = A + 45

2A - A = 45 + 7

A = 52

During the fundraiser, Ada made $52.

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The bolts in total are in the box is 6200

How do percentages work?

percentage is a relative number that is used to represent hundredths of any quantity. Since one percent (1%) equals one hundredth of something, 100 percent denotes the entire amount, and 200 percent denotes twice the amount mentioned.

What use does % serve?

The easiest approach to use percentages is to compare two amounts while setting the second amount's base to 100. Assume for the moment that we are interested in the percentage of women who are working.

Based on the given conditions, formulate: 62 x 100/1

Divide a fraction by multiplying its reciprocal:62 x 100

get the result:6200

Answer: 6200

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The expression to represent your monthly earnings would be 4550x - 400y.

What are the linear equations in two variables?

A linear equation in two variables is one that is written in the form ax + by + c=0, where a, b, and c are real numbers and the coefficients of x and y, i.e. a and b, are not equal to zero. For example, 10x+4y = 3 and -x+5y = 2 are two-variable linear equations.

Let the number of clients signed be 'x' and the number of clients whose business lose for the company be 'y'.

For each client signed company will earn = $4300 + $250

and for every client, y, whose business you lose for the company the penalty would be = $400

So we can prepare the equation for total monthly earning as

Monthly earning = (4300 + 250)x - (400)y

                            = 4550x - 400y.

Hence, the expression to represent your monthly earnings would be

4550x - 400y.

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Answer:

b and c

Step-by-step explanation:

Like terms are numbers that have the same variable and/or exponent. You can combine them to simplify equations.

3x+2x+3y-7y=5x-4y

3x and 2x are like terms because they share a variable of x. You can add them which gives you 5x. 3y and -7y are also like terms so they can be combined to make -4y.

2x+1+7x=9x+1

2x and 7x are like terms so they can be added for a sum of 9x.

Answer:

(3,4)

Step-by-step explanation:

3x - 2y = 1

-3x + 4y = 7

3x - 3x = 0

-2y + 4y = 2y

1+7 = 8

2y = 8

2/2 y = 8/2

y = 4

3x -2(4) = 1

3x - 8 = 1

3x = 8 + 1

3x = 9

3/3 x = 9/3

x = 3

Answer:

See the work below.

Step-by-step explanation:

If 3x-2y=1, then

[tex]x=(\frac{1}{3})1+2y[/tex]

Substitute for x in 4y=7+3x.

[tex]4y=7+3(\frac{1}{3})(1+2y)\\4y=7+(1+2y)\\4y=7+1+2y\\4y=8+2y\\4y-2y=8+2y-2y\\2y=8\\y=4[/tex]

Substitute y=4 in 3x-2y=1

[tex]3x-2(4)=1\\3x-8=1\\3x-8+8=1+8\\3x=9\\\frac{3x}{3}=\frac{9}{3}\\x=3[/tex]

This work proves the given values are correct.

The linear equation for g is g(r)= (19/5)r - 33.

Parallel lines have the same slope.  Therefore, line g(10)=5 and line q(r)=19/5 r+6 have the same slope of 19/5.

Apply slope m=19/5, and point (r=10, g=5) to line function g, we will find the y-intercept of the linear function g :

5 = 19/5 * 10 + b

solving for b we get,

b=-33

Substitute m=19/5 and b=-33 to slope-intercept form of the g function for the linear function we are looking for:

g(r)= (19/5)r - 33

Therefore, the linear function of g is g(r)= (19/5)r - 33

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Answer:

7/16 inches or 0.4375 inches

Step-by-step explanation:

Length of insect (L) = 7/8 inches

According to question,

Length of tail = 1/2 of L

= 1/2 * 7/8

= 7/16 inches or 0.4375 inches

Answer:

At the beginning, the object has zero speed, and then it begins to accelerate. After accelerating for a time, the object stops accelerating, and its speed remains constant.

Answer:

Yes

Step-by-step explanation:

Let y = 0

3x = -6  Divide both sides by 3

x = -2

(-2,0)

Let x = 0

-y = -6  Divide both sides by -1

y = 6

(0,6)

At the end of the semester, 90 members of a student organization had a picnic with 3 members who chose hamburger, milk and cake.

5 had hamburger and milk.

10 took cake and milk.

8 had cake and hamburger.

24 ate hamburger.

38 had cake.

20 drank milk.

let A,B and C are number who had hamburger, milk and cake

N(T)=    90

N(A)=    24

N(B)=    20

N(C)=    38

N(AnB)=    5

N(BnC)=    10

N(AnC)=    8

N(AnBnC) =   3

at least one =N(AUBUC)=    N(A)+N(B)+N(C )-N(AnB)-N(BnC)-N(AnC)+N(AnBnC)     =    62

a) nothing  =N(T)-N(Au B u C) =90-62=28

b) cake only =N(C)-N(A n C)-N(B n C)+N(A n B n C) =38-8-10+3=23

c) milk only =20-5-10+3 =8

d) hamburger only =24-5-8+3=14

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The minimized amount of material used to make the box is 13516 cm²

Let the side of the square base be x cm

According to the problem, the volume of the box is 13500 cm³

Therefore,

x² X height = 13500

or, height = 13500/x²

Now it is given that the top is open.

Hence, the box only has one square side.

Hence the surface area of the box will be

x² + 2x.13500/x² + 2x.13500/x²

= x² + 54000/x

Therefore, f(x) = x² + 54000/x

Now, to minimize the above problem, we equate the first derivative to 0

f'(x) = 2x - 54000/x² = 0

or, (2x³ - 54000)/x² = 0

or, 2x³ = 54000

or x³ = 27000

or, x = 30

Now, we check whether the above result is a minimal value or not.

f''(x) = 2 + 108000/x³

or, f"(30) = 2 + 108000/54000

= 4

Since f"(30) is positive, the minimized value of x is 30.

Therefore, the minimal amount of material used is

4² + 54000/4

= 16 + 13500

= 13516 cm²

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Answer:

is there any other parts to this question if so please give so i can solve

Step-by-step explanation:

The solutions of y= x+8 and y= -2x-4 is x is -4 and y is 4

Two or more expressions with an Equal sign is called as Equation.

The given equations are

y equal to x plus eight

y= x+8...(1)

y equal to minus two x minus four

y= -2x-4...(2)

Subtract 2 from 1

y-y=x+8-(-2x-4)

0=x+8+2x+4

0=3x+12

3x=-12

Divide both sides by 3

x=-4

Now put x value in y

y=-4+8=4

The value of x is minus four and y is four.

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The original number was 1.85.

According to the question,

We have the following information:

Alex was thinking of a number. Alex doubles it, then adds 20 to get an answer of 22.7.

Now, in this case, let's take the original number to be x.

So, we have the following expression when something was added to the number after doubling it:

2x+20 = 22.7

Subtracting 20 from both sides of the equation:

2x = 22.7-20

2x = 2.7

Dividing by 2 on both sides of the equation:

x = 2.7/2

x = 1.85

Hence, the original number Alex was thinking of was 1.85.

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He have 48 different possible outfits to wear at work with three one-piece jump suits, five pairs of work pants, and eight work shirts.

The basic counting principle is a method for keeping track of all the potential outcomes in a situation. According to this statement, there are n m n times m n ways to carry out both of these actions if there are n ways to perform one action and m ways to perform another action after that.

Here,

5 pants with each of 8 shirts,

=5 x 8

=40 combinations of shirts and pants.

40 shirt/pants outfits + 8 jumpsuits = 48 total outfits.

With three one-piece jumpsuits, five pairs of work pants, and eight work shirts, he has 48 different work-appropriate outfit options.

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Answer:2x

Step-by-step explanation:

It can be inferred that there is a statistically significant result if the confidence interval excludes the value of zero effect.

Confidence Interval;

In statistics, confidence is another word for probability. For instance, if you create a confidence interval with a 95% confidence level, you can be sure that 95 times out of 100 the estimate will fall between the upper and lower values indicated by the confidence interval.

Therefore,

The confidence level is 95% if your significance level is 0.05. The hypothesis test is statistically significant if the P value is lower than your significance (alpha) level. The findings are statistically significant if the confidence interval excludes the null hypothesis value. 0

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The percentage of free moisture on a fine aggregate is 0.5%.

Free moisture refers to the moisture which is present on the surface of the aggregate after moisture has been absorbed and can be removed by drying the sand. Free moisture or free water is determined as the difference between the mass of wet-saturated aggregate sample and the mass of saturated-surface-dry condition sample.

Based on the given information:

Stock (present) weight = Weight of wet sample = 464.3g

Oven-dry weight = Weight of dry sample = 450.6g

Total Moisture = (Weight of wet sample - Weight of dry sample)/Weight of dry sample * 100

(464.3 – 450.6)/450.6 * 100 = 0.030 *100 = 3%

Percent absorption (AC): 2.5%

Free moisture = Total moisture – Absorbed moisture

= 3 – 2.5 = 0.5%

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The exact amount of money in his bank is $ 1.8.

acc to our question=

Given that,

There are 5 times as many pennies as dimes

Number of pennies = 5 times the number of dimes

We know that

Given that he has more than $1.60 and less than $2.00 in the bank

Therefore, 0.2d must be greater than 1.60 and less than 2.00

Thus 1.8 is greater than 1.60 and less than 2.0

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Answer:

180

Step-by-step explanation:

sheet : grams

  15    :    250

   x     :    3000

3000*15 = 250x

45000 = 250x

45000/250 = x

x = 180

The Perimeter of equilateral triangle with side length 6 mi is given by 18 meter.

Given the equation is, P = 3s

where P is the perimeter of equilateral triangle with side length of s.

Now given that the side length of triangle is 6 mi.

So, s = 6 mi

Thus, the perimeter of such triangle is, P = 3*6 = 18 mi.

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The set of 4 consecutive integers that has a sum of –270 is -69, -68, -67 and -66

The statement in the question is represented as

A set of 4 consecutive integers has a sum of –270

As a general rule of numbering;

Consecutive integers are integers that have a difference of 1

These numbers can be negative or positive

Solving further, we can represent the smallest integer with x

So, the other integers are x + 1, x + 2 and x + 3

Recall that the sum of the four integers is -270

This statement implies that

Sum = -270

So, we have

x + x + 1 + x + 2 + x + 3 = -270

Evaluate the like terms

4x + 6 = -270

Evaluate the like terms

4x = -276

Divide both sides by 4

x = -69

So, we have

x + 1 = -68

x + 2 = -67

x + 3 = -66

Hence, the integers are -69, -68, -67 and -66

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Answer: C

Step-by-step explanation:

If you look at the picture, you can see that it is decreasing from hour 3 to hour 4.

This means that from 3 < x < 4, it is decreasing.

The following are the sets which cannot form a right triangle:

b. 27 mm, 35 mm, 46 mm

f. 12 mm, 34 mm, 37 mm

Given,

Here some set of lengths given. We have to find which set of lengths can not form a right triangle.

To check whether it is a right triangle or not we will use Pythagoras theorem. If it holds true then the set will form a right triangle and if it is not true then it will not form a right triangle.

The pythogaras theorem is c²=a²+b²,where c = hypotenuse which is the largest length of the sides, a and b are other two sides.

a. 24 mm, 32 mm, 40 mm

c = 40 mm as it is the largest side.

substitute the values:

40² = 24² + 32²

1600 = 576 + 1024

1600 = 1600

The Pythagoras theorem holds true here. So this set will form a right angled triangle

b. 27 mm, 35 mm, 46 mm

c = 46 mm as it is the largest side.

substitute the values:

46² = 27² + 35²

2116 = 729 + 1225

2116 = 1954

The Pythagoras theorem does not hold true here. So this set will not form a right angled triangle.

c.  7 mm, 24 mm, 25 mm

c = 25 mm as it is the largest side.

substitute the values:

25² = 7² + 24²

625 = 49 + 576

625 = 625

The Pythagoras theorem holds true here. So this set will form a right angled triangle

d.  6 mm, 8 mm, 10 mm

c = 10 mm as it is the largest side.

substitute the values:

10² = 6² + 8²

100 = 36 + 64

100 = 100

The Pythagoras theorem holds true here. So this set will form a right angled triangle.

e. 12 mm, 16 mm, 20 mm

c = 20 mm as it is the largest side.

substitute the values:

20² = 16² + 12²

400 = 256 + 144

400 = 400

The Pythagoras theorem holds true here. So this set will form a right angled triangle.

f. 12 mm, 34 mm, 37 mm

c = 37 mm as it is the largest side.

substitute the values:

37² = 12² + 34²

1369 = 144 + 1156

1369 = 1300

The Pythagoras theorem does not hold true here. So this set will not form a right angled triangle.

Hence we get the required answers.

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The sample size 350 should be taken to provide a 95% confidence interval with a margin of error of 0.05.

According to the statement

We have to find that the sample should be taken to provide a confidence interval with a margin of error.

For this purpose, we know that the

The  confidence interval is the probability that a population parameter will fall between a set of values for a certain proportion of times.

And

With the given information

In the survey as

p* = 0.35

confidence interval=95%

E=margin of error = 0.05

and then

[tex]a=(\frac{z}{E} )^{2} *pq[/tex]

and substitute the values

[tex]a=(\frac{1.96}{0.05} )^{2} *0.35*0.65[/tex]

then the sample is 350.

So, The sample size 350 should be taken to provide a 95% confidence interval with a margin of error of 0.05.

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Answerh

Step-by-step explanation:

huh

[tex]\sqrt{1-cos(10x)/2}[/tex]The expression is equivalent to sin(5x)

Given that,

start root start fraction 1 minus cosine (10 x) over 2 end fraction end root which means [tex]\sqrt{1-cos(10x)/2}[/tex]

To find : The equivalent expression to the equation [tex]\sqrt{1-cos(10x)/2}[/tex] --> (1)

We know that,

From trigonometry,

Half angle formula

What is the value of 1 cos 2x? The expression 1 - cos2x is written as 1 - cos2x = 2sin2x. This makes it possible to recognize trigonometric identities. These are the phrases that enable you to discover a precise response to your query.

1−cos2x=2sin²x and

Similarly,

1−cosx=2sin²(x/2)

Then

1-cos10x = 2sin²(5x)

Substitute above expression in (1)

Then,

[tex]\sqrt{1-cos(10x)/2}[/tex] = [tex]\sqrt{2sin^2(5x)/2}[/tex]

                           = [tex]\sqrt{sin^2(5x)}[/tex]

                           = sin(5x)

Therefore, [tex]\sqrt{1-cos(10x)/2}[/tex] is equivalent to sin(5x)

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There is a 0.56 percent chance that a city resident picked at random would reside in the center or northern part of the city.

A probability is a numerical representation of the possibility or chance that a specific event will take place.

Here,

Given that, this probability distribution table displays the percentage of residents in five distinct areas of a city.

Favorable Results/Total Results is the formula for probability.

The likelihood of choosing someone from the center or northern regions is 0.44 + 0.12 = 0.56.

Consequently, there is a 0.56 percent chance that a city resident picked at random would reside in the central or northern zone.

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