La dirección del colegio a efectuado compras de 2 tipos de tizas en iguales, cantidades, los profesores usan en la clase 5/6 de un tipo y los 3/4 de otro tipo ¿ Que fracción de la cantidad quedo sin usar?

Answer:

y = 75

Step-by-step explanation:

23 + y - 19 = 79

We are to solve for y.

To solve for y, we are to follow the step below

23 + y - 19 = 79

subtract nineteen from twenty three

y + 4 = 79

Subtract four(4) from both-side of the equation

y + 4 - 4 = 79 - 4

On the left hand-side of the equation, 4-4=0 leaving us with just y

y = 79 - 4

y =75

Therefore y = 75

Answer:

i need helppp

Step-by-step explanation:

this same problems but where is everyone getting the 6.25 from.

The interior angles on the same side of a transversal cutting parallel lines are always congruent.

The interior angles on the same side of a transversal cutting parallel lines are always congruent.

When a transversal intersects two parallel lines, it creates several pairs of corresponding angles. The corresponding angles that are on the same side of the transversal are congruent or equal in measure. This is known as the Alternate Interior Angles Theorem.

For example, if line m is parallel to line n and a transversal line t cuts both lines at points A and B, then the angle formed by the intersection of line t and line m, and the angle formed by the intersection of line t and line n on the same side of the transversal are congruent.

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Low taxation would lead to slower economic growth because it encourages citizens and businesses to consume more and invest less is false.

We have,

Low taxation can actually lead to faster economic growth if it encourages citizens and businesses to consume and invest more.

With more money in their pockets, consumers may have more disposable income to spend on goods and services, which can stimulate demand and create more jobs.

Additionally, with lower taxes, businesses may have more money to invest in capital equipment, research and development, or expansion, which can lead to increased productivity and economic growth.

It's important to note that the relationship between taxation and economic growth is complex and multifaceted.

While lower taxes can be beneficial for growth, they may also lead to reduced government revenues, which can limit the government's ability to fund important public services and investments.

Moreover, the impact of tax policy on economic growth can vary depending on a range of factors, such as the size and structure of the economy, the nature of the tax system, and broader economic conditions.

Thus,

Low taxation would lead to slower economic growth because it encourages citizens and businesses to consume more and invest less is false.

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x = hot dogs

y = snacks

x +y = 175

x = 175-y

2.50x + 0.75y = 262.50

2.50(175-y) +0.75y = 262.50

437.50-2.50y + 0.75y = 262.50

-1.75y = -175

y = -175 / -1.75 = 100

100 snacks & 75 hot dogs

The number of hot dogs sold is 75 while the number of snacks sold is 100.

Based on the information, the equation to solve the question will be:

x + y = 175 ....... i

2.50x + 0.75y = 262.50 ....... ii

From equation i, x = 175 - y.

We'll put the value of x into 2.50x + 0.75y = 262.50 and this will be:

2.50x + 0.75y = 262.50

2.50(175 - y) + 0.75y = 262.50

437.50 - 2.50y + 0.75y = 262.50

Collect like terms

-2.50y + 0.75y = 262.50 - 437.50

-1.75y = -175

y = 175/1.75

y = 100

The number of snacks sold is 100.

Since x + y = 175

x = 175 - 100

x = 75

The number of hot dogs sold is 75

Therefore, 75 hot dogs and 100 snacks were sold.

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Final answer:

Two equivalent ratios for 9:20 are 18:40 and 27:60, found by multiplying both the numerator and denominator of the ratio by 2 and 3, respectively.

Explanation:

To find two equivalent ratios for 9:20, you can multiply or divide both terms of the ratio by the same non-zero number. Remember, an equivalent ratio has the same proportional relationship as the original one.

Here's how we can calculate two equivalent ratios:

Multiply both terms by 2: 9 × 2 = 18 and 20 × 2 = 40, so one equivalent ratio is 18:40.

Multiply both terms by 3: 9 × 3 = 27 and 20 × 3 = 60, so another equivalent ratio is 27:60.

These both represent the same ratio as 9:20 when simplified.

The volume of the solid formed by revolving the region bounded by the graphs of the given functions is (25π) / 2.

Integration is a method of adding or summing up the parts to find the whole. It is a reverse process of differentiation, where we reduce the functions into parts.

The region bound by all three functions is in the first quadrant. If this region were rotated about the y-axis, the solid formed would have washer-shaped cross-sections.

Therefore, we can use the Washer method: V = π∫ (ROuter)² - (RInner)² dy

R(outer) = 3 and R(inner) = √y  (Note: the inner radius is formed by the function y = x2 which we solve in terms of y since we are rotating about the y-axis).

V = π∫ (3)2 - (√y)2 dy

(the limits of integration are from y = 4 to y = 9, so a = 4 and b = 9)

= π∫  9 - y dy where a = 4 and b = 9

Integrate this definite integral to find the volume,

=  (25π) / 2.

Hence, the volume of the solid formed by revolving the region bounded by the graphs of the given functions is (25π) / 2.

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Answer:

[tex]\textsf{A)} \quad \dfrac{25\pi}{2}[/tex]

Step-by-step explanation:

To find the volume of the solid of revolution created by rotating the region bounded by the curve y = x², x = 3, and y = 4 about the y-axis, we can use the method of cylindrical shells.

As the region of revolution is bounded by the graphs of two functions, y = x² and y = 4, the volume of a solid of revolution using cylindrical shells is given by the integral:

[tex]\displaystyle V=2\pi\int^b_ax\left(f(x)-g(x)\right)\;\text{d}x[/tex]

where:

The height of the shell, f(x) - g(x), is determined by the vertical distance between the curve y = x² and the line y = 4. Therefore, the height is:

[tex]f(x)-g(x)=x^2-4[/tex]

The upper bound of the integral is b = 3, since the region is bounded by x = 3.

The lower bound is the x-value of the point of intersection of the two functions y = x² and y = 4. These two functions intersect when x = 2. Therefore, the lower bound of the integral is a = 2.

Substitute these values into the integral:

[tex]\displaystyle V=2\pi\int^3_2x\left(x^2-4\right)\;\text{d}x[/tex]

Expand the brackets:

[tex]\displaystyle V=2\pi\int^3_2\left(x^3-4x\right)\;\text{d}x[/tex]

Evaluate the integral by using the power rule:

[tex]\boxed{\begin{minipage}{4 cm}\underline{Integrating $x^n$}\\\\$\displaystyle \int x^n\:\text{d}x=\dfrac{x^{n+1}}{n+1}+\text{C}$\end{minipage}}[/tex]

Therefore:

[tex]V=2\pi\left[\dfrac{x^4}{4}-\dfrac{4x^2}{2}\right]^3_2[/tex]

[tex]V=2\pi\left[\dfrac{x^4}{4}-2x^2\right]^3_2[/tex]

[tex]V=2\pi\left[\left(\dfrac{(3)^4}{4}-2(3)^2\right)-\left(\dfrac{(2)^4}{4}-2(2)^2\right)\right][/tex]

[tex]V=2\pi\left[\left(\dfrac{81}{4}-18\right)-\left(4-8\right)\right][/tex]

[tex]V=2\pi\left[\left(\dfrac{9}{4}\right)-\left(-4\right)\right][/tex]

[tex]V=2\pi\left(\dfrac{25}{4}\right)[/tex]

[tex]V=\dfrac{25\pi}{2}[/tex]

Therefore, the volume of the solid formed by revolving the region bounded by the graphs of y = x², x = 3, and y = 4 about the y-axis is:

[tex]\Large\boxed{\boxed{\dfrac{25\pi}{2}}}[/tex]

Answer:

The second choice is correct.

Step-by-step explanation:

Reflecting ABC across the y-axis will negate the x-coordinates, which will place it directly above triangle DEF.  Counting down from A to D, B to E and C to F, we see that each is 5 units above the image; this means a translation 5 units down will finish mapping the pre-image to the image.  Since they are mapped on top of each other, they are congruent.

Answer:

192 feet fence would be used for 6 cows.

Step-by-step explanation:

Given,

64 feet of fence is used for 2 cows,

Ratio in fence and cows = [tex]\frac{64}{2}[/tex] = 32,

96 feet of fence is used for 3 cows,

Ratio in fence and cows = [tex]\frac{96}{3}[/tex] = 32,

128 feet of fence is used for 4 cows,

Ratio in fence and cows = [tex]\frac{128}{4}[/tex] = 32,

Thus, by the above explanation it is clear that in every case the ratio of the length of fence and number of cows is 32,

Let x be the length of cows that is used for x cows,

[tex]\implies \frac{x}{6}=32[/tex]

[tex]\implies x = 192[/tex]

Hence, 192 feet fence would be used for 6 cows.

A fraction is a way to describe a part of a whole. The number of students who voted is 401. The correct option is B.

A fraction is a way to describe a part of a whole. such as the fraction ¼ can be described as 0.25.

Given that the total number of students in the senior class is 535. Now, if  3/4 of the class voted. Then we can write,

The number of seniors who voted = 3/4 of 535

                                                         = (3/4) ×  535

                                                         = 401.25 ≈ 401

Hence, the number of students who voted is 401.

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The equation to model the total income, y, for selling x calendars will be y=5x.

An equation is a statement that two expressions, which include variables and/or numbers, are equal. In essence, equations are questions, and efforts to systematically find solutions to these questions have been the driving forces behind the creation of mathematics.

It is given that, each calendar will sell for $5.00. the total income is y and the calendars to be sold be x.

Since each calendar costs $5, the total revenue (y) is equal to the number of calendars sold (x).

y=5x

The above equation is in the one variable known as the linear equation in one variable. It had the form y = mx. x and y are the variables in the equation.

Thus, the equation to model the total income, y, for selling x calendars will be y=5x.

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Final answer:

The closed form sum of the given expression is obtained by expanding and simplifying it. Comparing this with the given expression, we can find the values of a and b.

Explanation:

The closed form sum of $$12 \left[ 1² \cdot 2 + 2²\cdot 3 + \ldots + n² (n+1) \right]$$ for $n \geq 1$ is $n(n+1)(n+2)(an+b).$ To find $an + b$, we can simplify the expression by expanding it:

Expanding the sum, we have:

$$\begin{align*} 12 &\left[ 1² \cdot 2 + 2² \cdot 3 + \ldots + n² (n+1) \right] \\ &= 2[1 + (n-1) + 3 + \ldots + (2n-3) + (2n-1)-(n-1)] \\ &= 2[n + 3 + \ldots + (2n-3) + n] \\ &= 2n² \end{align*}$$

Comparing this with the given expression $n(n+1)(n+2)(an+b)$, we can see that $2n² = n(n+1)(n+2)(an+b)$. So, $an+b = \boxed{2}$.

Answer:

the answer is (x - 1)(6 x-1) on edge, option D.

The product is (x - 1) (6x - 1).

Multiplication of two numbers is defined as the addition of one of the number repeatedly until the times of the other number.

a × b means that a is added to itself b times or b is added to itself a times.

The given expression is [6(x² - 1) (6x - 1)] / [6 (x + 1)]

6 is in the numerator as well as denominator. Cancel it.

[6(x² - 1) (6x - 1)] / [6 (x + 1)] =  [(x² - 1) (6x - 1)] / [(x + 1)]

We have to use one of the algebraic identity here.

a² - b² = (a + b) (a - b)

Using this,

x² - 1 = x² - 1² = (x - 1)(x + 1)

[6(x² - 1) (6x - 1)] / [6 (x + 1)] =  [(x² - 1) (6x - 1)] / [(x + 1)]

                                            = [(x - 1)(x + 1)(6x - 1)] / [(x + 1)]

Again, x + 1 is both in the numerator as well as denominator. Cancel it.

[6(x² - 1) (6x - 1)] / [6 (x + 1)] = (x – 1)(6x – 1)

Hence the product is (x – 1)(6x – 1).

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The area of the blue glass that will be needed to fill each butterfly dot would be 144π.

The circumference of the circle that has a radius of r is defined as the product of diameter to the pie value.

The circumference of the circle = 2πr

We have given the distance around each dot is 24pi inches.

So, The circumference of the circle = 2πr

                                                 24π = 2πr

                                                 r = 12

The artist plans to fill the inside of each dot with blue-colored glass.

Now, we know that

The area of the circle = [tex]\pi r^{2}[/tex]

                                    = π x 12 x 12

                                    = 144π

Thus, the area of the blue glass that will be needed to fill each butterfly dot would be 144π.

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1 is the answer bruvy

Answer: 1

Step-by-step explanation:

From the given picture, it can be seen that there is a plane H on which two pints J and K are located.

One of the Axiom in Euclid's geometry says that "Through any given two points X and Y, only one and only one  line can be drawn "

Therefore by Axiom in Euclid's geometry , for the given points J and K in plane H , only one line can be drawn  through points J and K.

Answer:

Step-by-step explanation:

repeating or circulating decimal is decimal representation of a number whose digits are periodic or infinitely repeated.

To convert a fraction into decimal form we have to divide numerator by denominator.

a.  2/3 = 0.666666

b.  9/11 = 0.8181818

c.  2/9 = 0.222222

d.  11/3 = 3.666666

e.  5/6 = 0.833333

f.  14/3 = 4.666666