200 students chose one language to study.
Each student chose one language from French or Spanish or German.
Of the 200 students,
90 are boys and the rest of the students are girls
70 chose Spanish
60 of the 104 students who chose French are boys
18 girls chose German.
Work out how many boys chose Spanish.

The area of the region inside the rectangle that surrounds the square is 147 square in.

The side of square is 10 in

Area of square is = side x side

A = 10 x 10

A = 100 square in.

Therefore, Area of square  is 100

The length of rectangle is 19 in and width of rectangle is 13in

area of rectangle  = l x w

A = 19 x 13

A = 247 square in.

Area of rectangle is 247 square in.

To calculate area of the region inside the rectangle that surrounds the square,

= A[rectangle] - A[square]

= 247 - 100

= 147 square in.

Therefore, The area of the region inside the rectangle that surrounds the square is 147 square in.

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There are 180 grams of cocoa in the resulting mixture.

When the 200 grams of dark chocolate and the 200 grams of milk chocolate are mixed together, the amount of cocoa in the mixture is found by adding the amount of cocoa in each type of chocolate.

First, the amount of cocoa in the dark chocolate is calculated by multiplying the total weight of the dark chocolate by its cocoa percentage:

200 grams(0.60) = 120 grams

Next, the amount of cocoa in the milk chocolate is calculated in the same manner:

200 grams(0.30) = 60 grams

Finally, the total amount of cocoa in the mixture is found by adding the amount of cocoa in each type of chocolate:

120 grams + 60 grams = 180 grams

Therefore, the total amount of cocoa in the resulting mixture is 180 grams.

The problem seems incomplete, it must have been...

"Luke melts 200 grams of dark chocolate that contains 60% cocoa and mixes it with 200 grams of milk chocolate that contains 30% cocoa. How many grams of cocoa are in the resulting mixture?"

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The value of the given ratio for triangle ACE and BCD include the following:

1.)25/16

2.)10/7

3.) 1

4.) 14/19

5.) 4/5

6.) 4/1

7.) 16/5

8.) 29/45

In order to calculate the ratio, the value of the missing parts of the triangle should be calculated such as line BD, and CE, by the use of Pythagorean formula.

The Pythagorean formula = c² = a² + b²

For first triangle:

BC = a = 20

CD = b = 14

BD = c = ?

C² = 20²+14²

c² = 400+196

c² = 596

C = √596

C = 24 = BC

The ratio of the given sides of the triangle include the following:

1.) = AC = 20+5 = 25; CE = 25/16

2.) BC:CD = 20/14 = 10/7

3.) BD:AE = 24/24 = 1

4.) CD:CE = 14/19

5.) BC:AC = 20/25 = 4/5

6.) BC:AB = 20/5 = 4/1

7.) CD:DE = 16/5

8.) perimeter of BCD = 20+14+24 = 58; perimeter of ACE =25+24+21 = 70

The ratio of perimeter of BCD:ACE = 58/70 = 29/45

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The equation of the line parallel to the given line is 3x - 2y + 5 = 0.

What is the equation of a line?

The set of points that make up a line in a coordinate system is represented algebraically by a line's equation.

A straight line's equation is y=mx+c, where m denotes the gradient and c, commonly known as the y-intercept, is the height at which the line crosses the y-axis.

The given line is -3x+2y = 4

Then,  [tex]y = \frac{3}{2}x + 2[/tex]

Slope [tex](m_1) = \frac{3}{2}[/tex] and [tex]c_1[/tex] = 2

Now, the slope of the parallel line [tex]m_2[/tex] = [tex]m_1[/tex] = 3/2

and passes through a point (-1,1)

Then,

the equation of the parallel line is

[tex]or, y-y_1=m(x-x_1) \\\\or, y-1=\frac{3}{2}(x+1) \\\\ or, 2y-2=3x+3\\\\or, 3x-2y+5=0[/tex]

Hence, the required equation of the line is 3x - 2y + 5 = 0.

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Based on the provided information, the graph of y = v(3x) - 4 must contain the point (-4, -8) and (b) the graph of y = 1/4 v(x) + 9 must contain the point (-12, 6).

As the graph of y = v(x) contains the point (−12, −7), point that must be on the graph of each of the functions below are:

(a) y = v(3x) - 4

3x = -12

x = (-12)/3= -4

y = -4 – 4 = -8

The graph of y = v(3x) - 4 must contain the point (-4, -8).

(b) y = 1/4 v(x) + 9

x = -12

y = 1/4 (-12) + 9 = 6

The graph of y = 1/4 v(x) + 9 must contain the point (-12, 6).

Note: The question is incomplete. The complete question probably is:  The graph of y=v(x) contains the point (−12,−7). What point must be on the graph of each of the functions below? Enter points as (a,b) including the parentheses. (a) The graph of y = v(3x) - 4 must contain the point _ (b) The graph of y = 1/4 v(x) + 9 must contain the point _ .

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The perimeter of the triangles will be 24 inches.

With two triangles she forms a rectangle of 6in by 8 in.

Then the triangles will have legs with these dimensions, and the last side (the hypotenuse) has a length equal to the diagonal of the rectangle:

diagonal = √( (6in)² + (8in)²) = 10in

Then the perimeter of te triangle is:

P = 10in + 8in + 6in = 24in

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Answer:

Please send a clearer image so I can answer question 1 and 3

Step-by-step explanation:

2: "One of the parallel lines can be translated so that it lands on the other line. After that, you would notice that the angles of the two lines have exactly the same measurement. Therefore, the interior and exterior angles of two parallel lines cut by transversal are equal."

5: The angles congruent to <8 are <6, <4, and <2

6: The value of m<6 = 70°

7: The equation to find <8 = 180 - <1

   The measure m<8 = 85°

8: The value of x must be equal to 34

Answer:

44h

Step-by-step explanation:

money earned per extra hour worked=100+25/100×10.80=13.50

amount earned if working for 38 hours=10.80×38=410.40

remaining money=491.40-410.40=81

number of extra hours worked=81÷13.50=6

total hours worked=38+6=44h

The inequality that represents the situation when the number of lessons would mean that it is cheaper for Satvik to pay $60 for the month is x ≥ 15.

Inequality is a mathematical statement that two mathematical expressions are unequal.

Inequality is represented as either:

Payment Plans:

Plan A = $18 + $3 per lesson

Plan B = $60

Let each lesson = x

18 + 3x = 60

3x = 42

x = 14

x ≥ 15

Thus, if the number of lessons is greater than or equal to 15, it is cheaper for Satvik to pay under Payment Option B.

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In circle Y, the measure of m∠SZT is equal to: B. 94°.

In Mathematics, a chord of circle can be defined as a line segment that typically join any two (2) points of a circle.

Generally speaking, the inscribed angle of a circle is equal to half of the central angle of a circle. Mathematically, this is given by this mathematical expression:

m∠STR = 1/2(SYR)

m∠STR = 1/2(50)

m∠STR = 50°.

m∠TSU = 1/2(TYU)

m∠TSU = 1/2(72)

m∠TSU = 36°.

For m∠SZT, we have the following:

m∠SZT = 180° - (m∠STR + m∠TSU)

m∠SZT = 180° - (50 + 36)

m∠SZT = 180° - 84°

m∠SZT = 94°

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Answer:

16π

Step-by-step explanation:

π is the ratio between the circumference and the diameter. 2x8xπ = 16π

Answer: 16π, or 50.2655

Step-by-step explanation:

Circumference is calculated using πd, where d is the diameter. Since d = 2r, where r is the radius, this can be rewritten as circumference = π2r. Plugging our radius, 8, into the equation gives us π(2)(8), which simplifies to 16π, or 50.2655.

The annual net income and annual yield are $3400 and 2.335 respectively

a) To find the annual net income, we need to subtract the annual expenses from the annual rental income. The annual rental income can be calculated as follows:

$3,875 * 6 months = $23,250

The annual net income would be:

$23,250 - $19,850 = $3,400

b) The annual yield can be calculated as the annual net income divided by the total cost of the property, including the down payment:

$3,400 / ($185,900 - $40,000) = 0.023 or 2.33%

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The x-intercept and the y-intercept of each line include the following ordered pairs:

x-intercept = (2, 0).

y-intercept = (0, -10).

In Mathematics, the x-intercept can be defined as the point at which the graph of a function crosses the x-coordinate (x-axis) and the value of "y" or y-value is equal to zero (0).

In Mathematics, the y-intercept is sometimes referred to as an initial value and the y-intercept of any graph such as a linear function, generally occur at the point where the value of "x" is equal to zero (x = 0).

In this exercise, we would use an online graphing calculator to plot the linear function in order to determine the x-intercepts and y-intercepts as shown in the image attached below.

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If a woman's uncle has Lesch-Nyhan syndrome and her father carries the mutation, the probability of her first son being affected is 50%.

Lesch-Nyhan syndrome is an X-linked recessive genetic disorder, which means it is caused by a mutation on the X chromosome and is passed down through families primarily from affected fathers to their daughters. The probability that a son of a woman with an affected uncle (mother's brother) will be affected depends on the genetic status of the woman's father and the mother's X chromosome that she inherited from her mother.

If the woman's father does not carry the mutation, she will not carry the mutation herself and cannot pass it on to her children. In this case, the probability of her first son being affected is 0%.

If the woman's father carries the mutation, she has a 50% chance of inheriting the mutated X chromosome from her father and a 50% chance of inheriting a normal X chromosome from her mother. In this case, if the woman is a carrier of the mutation, her first son has a 50% chance of inheriting the mutation from her and being affected.

It's important to note that this is a simplified answer and that more complex genetic testing and counseling may be necessary to determine the specific risk in a particular family.

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Answer: At 12:00 p.m., the minute hand points straight up at (0,10).

At 12:05 p.m., the minute hand has rotated 30 degrees clockwise. The tip of the minute hand would be approximately:

x = 10 * cos(30) = 8.66

y = 10 * sin(30) = 5

So, the coordinates would be approximately (8.66, 5).

At 12:45 p.m., the minute hand has rotated 180 degrees. The tip of the minute hand would be approximately:

x = 10 * cos(180) = -10

y = 10 * sin(180) = 0

So, the coordinates would be approximately (-10, 0).

At 12:55 p.m., the minute hand has rotated 330 degrees clockwise. The tip of the minute hand would be approximately:

x = 10 * cos(330) = -5.77

y = 10 * sin(330) = -8.66

So, the coordinates would be approximately (-5.77, -8.66).

Step-by-step explanation:

For a right triangle TMR the equation that is true is -

Option 3: sin T = cos R

What is a right-angled triangle?

Any two sides of a triangle's three sides must always add up to more than the third side since a triangle is a regular polygon with three sides. This distinguishing characteristic of a triangle. A right-angle triangle is one that has angles between its two sides that equal 90 degrees.

In a right triangle, the sine of an acute angle is defined as the length of the opposite side divided by the length of the hypotenuse, and the cosine of an acute angle is defined as the length of the adjacent side divided by the length of the hypotenuse.

In triangle TMR, the right angle is at M, which means that T and R are acute angles.

Using the definitions of sine and cosine, determine which equation is true -

1. sin M = cos T

The angle M is the right angle, which means that its sine is 1 and its cosine is 0.

Therefore, this equation is false.

sin R = cos R

2. The sine and cosine of the same angle cannot be equal, except in the case of a 45° angle where both sine and cosine are equal to 1/√2.

Therefore, this equation is false.

3. sin T = cos R

The angle T is the acute angle opposite the side TR, and the angle R is the acute angle adjacent to the side TR.

Therefore, this equation is true.

4. sin T = cos M

The angle M is the right angle, which means that its cosine is 0.

Therefore, this equation is false.

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Answer:

Step-by-step explanation: is half cut up so therefore the shape thats cut is a trapeziod

With the values sin x= 3/5 and sin y= 2/3 , where x and y are both in first quadrant, then after calculation sin(x + y) = (3 * √(7/9)) / 5 + 1/2.

To evaluate sin(x + y), we can use the identity sin(a + b) = sin a cos b + cos a sin b.

Given that sin x = 3/5 and sin y = 2/3, we have:

sin(x + y) = sin x cos y + cos x sin y

          = (3/5) * √(1 - (2/3)^2) + (√(1 - (3/5)^2)) * (2/3)

          = (3/5) * √(7/9) + (4/5) * (2/3)

          = (3 * √(7/9)) / 5 + (8/15)

          = (3 * √(7/9)) / 5 + (8/15)

          = (3 * √(7/9)) / 5 + (16/30)

          = (3 * √(7/9)) / 5 + (1/2)

          = (3 * √(7/9)) / 5 + 1/2

So, sin(x + y) = (3 * √(7/9)) / 5 + 1/2.

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(a) To find the product of -2x^3+x and x^3-3x-4, we can use the distributive property of multiplication:

(-2x^3 + x)(x^3 - 3x - 4)

= -2x^3(x^3) - 2x^3(-3x) - 2x^3(4) + x(x^3) - x(-3x) - x(4)

= -2x^6 + 6x^4 - x

= -2x^6 + 6x^4 - x

Therefore, the product of -2x^3+x and x^3-3x-4 is -2x^6 + 6x^4 - x.

(b) No, the product of 2x^3+x-5 and x^3-3x-4 is not equal to the product of x^3-3x-4 and -2x^3+x-5. This is because the order of the factors in a multiplication expression affects the outcome. When we expand both products using the distributive property, we get different expressions:

(2x^3 + x - 5)(x^3 - 3x - 4) = 2x^6 - 5x^3 - 3x^2 - 17x + 20

(x^3 - 3x - 4)(-2x^3 + x - 5) = -2x^6 + 11x^4 + 13x^3 - 3x^2 - x + 20

So the expanded expressions are not equal. Therefore, the two products are not equal.

The height of the prism with base area of 40 square meters and volume of 320 cubic meters is 8 meters

An equation is an expression that shows the relationship between two or more numbers and variables using mathematical operations. An equation can be linear, quadratic, cubic and so on, depending on the degree of the variable.

The volume of the prism is the amount of space that the solid figure occupies.

The volume of prism = area of base * height

The area of the base of the nonagonal prism below is 40 square meters. Its volume is 320 cubic meters. Hence:

The volume of prism = area of base * height

Substituting:

320 m³ = 40 m² * height

height = 8 m

The height of the prism is 8 meters

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The three consecutive integers are 52, 53, 54, if the sum of the first two is 51 more than the third integer.

Consecutive Integer:

An integer is the number zero (0), a positive natural number (1, 2, 3, etc.), or a negative integer with a minus sign (−1, −2, −3, etc.). A negative number is the additive reciprocal of the corresponding positive number. In math language, the set of integers is often written as bold Z.

Consecutive integers are integers that follow each other in a regular counting pattern. When listing consecutive integers in a sequence, the difference between them is always fixed because there are no skipped digits between them. Consecutive integers are integers that follow each other in ascending order. The Sequential Integer Formula helps to find these integers for a given number or to determine whether a series of integers are consecutive.

According to the Question:

Let the three consecutive integers are

x , x+1, x+2

Since we have given that:

The sum of the first two is 51 more than the third,

Now,

   (x + x + 1) - (x+2) = 51

⇒ 2x +1 -x - 2 = 51

⇒ x - 1 = 51

⇒ x = 52

So, the three consecutive integers are

52, 52+1, 52+2

Therefore,

52,53,54.

Hence, the integers are 52,53,54.

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(a) perimeter:54cm, area:108 cm 2 (squared)

The perimeter of a rectangle with length 15 cm and width 12 cm is 54 cm (2 * (15 + 12) cm).

The area of the rectangle is 180 square cm (15 * 12 cm^2).

Measure the length (l) and the width (w) of the rectangle. In this case, the length is 15 cm and the width is 12 cm.

To find the perimeter, calculate the sum of twice the length and twice the width. This is done by multiplying each measurement by 2 and then adding them together: 2 * l + 2 * w. In this case, the calculation is 2 * 15 + 2 * 12 = 30 + 24 = 54 cm.

To find the area, multiply the length and the width: l * w. In this case, the calculation is 15 * 12 = 180 cm^2.

The perimeter of the rectangle is the sum calculated in step 2. In this case, the perimeter is 54 cm.

The area of the rectangle is the product calculated in step 3. In this case, the area is 180 cm^2.

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In a linear equation, 9 cups of milk are needed to make 108 cookies .

What in mathematics is a linear equation?

An algebraic equation with simply a constant and a first-order (linear) term, such as y=mx+b, where m is the slope and b is the y-intercept, is known as a linear equation.

                          Sometimes, the aforementioned is referred to as a "linear equation of two variables," where x and y are the variables.

1 cup of milk makes 12 cookies.

If you wanted to make twice as many cookies (24), then you would need 2 cups.

If you wanted to make three times as many cookies (36), then you would need 3 cups.

1 cup / 12 cookies = X cups / 108 cookies

    1/12 = X/108

        X =  9

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Una tabla estadística para resumir los resultados de la encuesta podría ser la siguiente:

Emoción/Sentimiento Porcentaje de Encuestados

Impaciente 43%

Preocupado por salud 34%

Solo 15%

Enojado 12%

Preocupado por vulnerables 55%

Feliz de pasar tiempo con familia 31%

Inspirado por adaptación 22%

Esta tabla muestra los diferentes sentimientos y emociones que los encuestados experimentaron durante la encuesta realizada por Global Advisor.

The gathering, characterization, analysis, and drawing of inferences from quantitative data are all tasks that fall under the purview of statistics, a subfield of applied mathematics. Probability theory, linear algebra, and differential and integral calculus play major roles in the mathematical theories underlying statistics.

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The answer is 38 degrees because the angle of HZJ is 38, its a reflection

Answer:

m<FZG= 38

Step-by-step explanation:

<JZG is a straight line equivalent to 180 degrees. Because m<HZJ is 38 degrees, m<HZG is 142 degrees because 180-38=142. Looking now at line HF, equivalent to 180 degrees, we know that m<HZG is 142 degrees. To solve for m<FZG, we use the equation 142+x=180. 180-142=x; x=38. You can also use the vertical angle theorem to solve for m<FZG.

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Answer:

x > 2

Step-by-step explanation:

To solve the inequality 56x - 13 > 113, you can start by isolating the variable on one side of the inequality. Subtract 113 from both sides:

56x - 113 > 0

Next, add 113 to both sides:

56x > 113

Finally, divide both sides by 56:

x > 2

So the solution is x > 2, meaning that x can be any value greater than 2.

Answer:

[tex]x > \dfrac{9}{4} \\\\[/tex]

or

x > 2.25

This does not fit any of the provided answer choices. Either the inequality is copied wrong or the answer choices are copied wrong

Step-by-step explanation:

The inequality is 56x - 13 > 113

Add 13 to both sides:
56x - 13 + 13 = 113 + 13

56x > 126

Divide by 56 both sides
[tex]\dfrac{56x}{56} > \dfrac{126}{56}[/tex]

Reducing the above fraction to lowest by dividing numerator and denominator by 14 to get:
[tex]x > \dfrac{126 \div 14}{56\div 14}\\\\x > \dfrac{9}{4}[/tex]

None of your answer choices fit. So not sure whether the inequality given is incorrectly copied/pasted or the answer choices are.

The closest this comes to is x > 2 but the inequality will not be satisfied for any value of x between 2(excluded) and 2.25(included)

The whole band gets 1/2 of the fee.

A fraction is defined as a numerical representation of a part of a whole that represents a rational number.

The writer gets 4/12 of the fee, the singer gets 1/12 of the fee and the guitarist gets 1/12 of the fee, so the total fraction of the fee that the band members get is 4/12 + 1/12 + 1/12 = 6/12.

So, the whole band gets 6/12 or 1/2 of the fee. This means that half of the fee paid by the company goes to the band members, while the other half goes to other costs or expenses.

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A polynomial in standard form that represents the area of paper that can be painted is equals to the x² - 48x + 540.

We have, a painter wants to painting on a paper. He starts with a blank piece of rice paper with dimensions 30 inch by 18 inch .

The total length of paper, l = 30 inch

Total width of paper , w = 18 inch

Area of paper = l× w = 18× 30

= 540 inch²

Now, painter wants to leave a uniform border.

The width of border = x inches

length of border = x inches

and paint the remaining paper. So, the length of paper which is painted = l - x

= (30 - x) inches

Width of paper which is painted = w - x = ( 18 - x) inches

Now, the painted area of paper, A = painted length × painted width

= (30 - x)( 18- x)

= 540 - 18 x - 30x + x²

= x² - 48 x + 540

which is a standard polynomial form of painted area.

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There are 720 possible pins, as no digit can be repeated. This is calculated by taking 3! (3 factorial) which is 3x2x1, which equals 6, and then multiplying it by 10, as there are 10 digits, 0-9.

A pin can contain 3 numerical digit and no digit can be repeated. To calculate the amount of pins possible, we use 3! (3 factorial), which is 3x2x1, equaling 6. Then, we multiply this by 10, as there are 10 digits, 0-9. Therefore, 6x10 = 720. In order to calculate 3! (3 factorial) we start by multiplying 3x2x1. This is because each digit has to be multiplied by the number of digits before it, as no digit can be repeated. The first digit has no digits before it, so it stays as 3. The second digit has one digit before it, so it is multiplied by 2. The third digit has two digits before it, so it is multiplied by 1. Therefore, 3x2x1 = 6. Then, we multiply 6 by 10, as there are 10 digits, 0-9. 6x10 = 720, which means there are 720 possible pins with no digit being repeated.

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