Two boys share 35notebooks in the radio of 2:5. How many notebooks does each get? ​

Any value of x that is less than -4 is a solution to the inequality x < -4.

Any value of x that is less than -4 is a solution to the inequality x < -4.

Some examples of such values are:

x = -5

x = -10

x = -100

In fact, any value that is to the left of -4 on the number line is a solution to the inequality x < -4. On a number line, we represent this inequality by shading everything to the left of -4.

To understand this visually, imagine a number line with -4 as the reference point.

All the values to the left of -4 will be negative, and all the values to the right of -4 will be positive.

So, the inequality x < -4 means that x can be any value to the left of -4 on the number line.

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The measure of angle Y is m - 8 = 72.25 - 8 = 64.25 degrees.

What is the supplementary angle?

Two angles are said to be supplementary if their sum is equal to 180 degrees. In other words, if angle A and angle B are supplementary, then:

A + B = 180.

Since angles X and Y are supplementary, their measures add up to 180 degrees. So we have:

X + Y = 180

Substituting the given values, we get:

115.75 + (m - 8) = 180

Simplifying, we get:

m - 8 = 180 - 115.75

m - 8 = 64.25

Adding 8 to both sides, we get:

m = 72.25

Therefore, the measure of angle Y is m - 8 = 72.25 - 8 = 64.25 degrees.

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To sketch three solutions with initial values y(0) > 0, y(0) = 0, and y(0) < 0, we'll need to use a differential equation or system of differential equations. So, to sketch three solutions with initial values y(0) > 0, y(0) = 0, and y(0) < 0, we would first draw a slope or direction field for our differential equation. Then, we would start at the point (0, y(0)) and follow the direction of the slope or arrow to sketch the solution for each initial value.
To sketch three solutions with the given initial values, follow these steps:
1. Determine the differential equation you're working with. For example, let's consider the equation y'(t) = y(t). This is just an example, and the process will be similar for other differential equations.
2. Solve the differential equation to obtain a general solution. In our example, the general solution is y(t) = C * e^t, where C is an arbitrary constant.
3. Apply the initial values to find specific solutions:
  a. For y(0) > 0, choose a positive value for C, such as C = 1. The specific solution is y(t) = e^t.
  b. For y(0) = 0, choose C = 0. The specific solution is y(t) = 0.
  c. For y(0) < 0, choose a negative value for C, such as C = -1. The specific solution is y(t) = -e^t.
4. Sketch the three solutions on the same graph:
  a. For y(t) = e^t, draw a curve that starts at (0,1) and increases exponentially as t increases.
  b. For y(t) = 0, draw a horizontal line at y = 0.
  c. For y(t) = -e^t, draw a curve that starts at (0,-1) and decreases exponentially (toward 0) as t increases.
These three curves represent the solutions with the specified initial values. Note that this process assumes you have a specific differential equation in mind. If you have a different equation, just follow the same steps to find and sketch the solutions.

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Answer:

 92.5°

Step-by-step explanation:

You want the angle where chords cross, given that they intercept arcs of 55° and 130°.

The angle x° is the average of the measures of the intercepted arcs:

  x° = (55° +130°)/2

  x° = 92.5°

Answer:

Step-by-step explanation:

To determine which function has the greatest y-intercept, we need to look at the constant term, which represents the y-intercept, of each function. The function with the largest constant term will have the greatest y-intercept.

For example, consider the following three functions:

1. f(x) = 2x + 5

2. g(x) = 3x - 7

3. h(x) = -4x + 10

The constant term for each function is 5, -7, and 10 respectively. Therefore, h(x) has the greatest y-intercept of 10, since its constant term is larger than those of f(x) and g(x).

Answer: angle

Step-by-step explanation:

As per the unitary method, the chef has 9.14 pounds of celery left after cutting up 3 pounds to serve with chicken wings and dicing 8 ounces to put on garden salads.

To start, let's convert all of the weights to the same units. The chef bought 4 bunches of celery, each weighing 2 pounds, so in total she bought:

4 bunches * 2 pounds per bunch = 8 pounds

Next, we know that she used 3 pounds of celery for the chicken wings and 8 ounces (which is half a pound) for the garden salads. So in total she used:

3 pounds + 0.5 pounds = 3.5 pounds

To find the value of one pound of celery, we can subtract the amount of celery the chef used from the total amount of celery she bought, and then divide by the number of pounds she bought:

(8 pounds - 3.5 pounds) / 8 = 0.4375 pounds per pound

So one pound of celery is worth 0.4375 pounds. Now we can use this value to find out how many pounds of celery the chef has left. We know she started with 8 pounds of celery, and she used 3.5 pounds, so she must have:

(8 pounds - 3.5 pounds) / 0.4375 pounds per pound = 9.14 pounds left

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Answer:

4 or ≈ 12.6

Step-by-step explanation:

L = r * θ

r = 12

θ = 60 = (/3) when converted to radians by multiplying (/180)

then multiply

(/3)*12 = 4 or ≈ 12.6

Using laws of the outside angle theorem, we can find the value of the arc x to be = 130°.

The measure of an exterior angle is equal to the sum of the measures of the two distant interior angles of the triangle, according to the external angle theorem. According to the exterior angle inequality theorem, any triangle's outside angle has a measure bigger than either of its opposing interior angles.

Here in the question,

As per the outside angle theorem,

50° = 180° - x°

Adding x° on both sides:

⇒ 50° + x° = 180°

Now subtracting 50° from both sides:

⇒ x° = 180° - 50°

⇒ x° = 130°

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Answer:

152.4 centimeters.

Step-by-step explanation:

1 inch = 2.54 centimeters

60 inches = x centimeters

Where x is the number of centimeters equivalent to 60 inches.

To solve for x, we can set up a proportion:

1 inch / 2.54 centimeters = 60 inches / x centimeters

Cross-multiplying, we get:

1 inch * x centimeters = 2.54 centimeters * 60 inches

Simplifying, we get:

x = (2.54 cm/in) * (60 in)

x = 152.4 cm

Therefore, 60 inches is equivalent to 152.4 centimeters.

The area of the equilateral triangle is approximately 58.78 square inches.

An equilateral triangle has all sides equal, so we can divide the perimeter by 3 :

45 inches ÷ 3 = 15 inches

Therefore, each side of the equilateral triangle measures 15 inches.

Area = (√3 / 4) x (side length)²

After putting the values,

Area = (√3 / 4) x 15 x 15 square inches

Area = (√3 / 4) x 225 square inches

Area = 58.78 square inches

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Answer:

(C) and (D) are correct.

Answer:

In geometry, congruent segments are segments that have the same length. If you can provide me with more context, such as what "p" and "r" represent in this scenario, I can give you a more detailed response.

Step-by-step explanation:

The equation that represents your balance after x years is: [tex]250 * (1.0725)^x[/tex]

what is interest ?

To calculate simple interest, multiply the principal by the rate of interest rates, the duration, and several other variables. The marketing formula is simple returns = capital + interests + hours.

Initial Value (a): $250

Rate (r): 7.25% per year (or 0.0725 as a decimal)

Time (x): x years

The formula for calculating the balance after x years is:

[tex]Balance = a * (1 + r)^x[/tex]

Plugging in the values, we get:

[tex]Balance = 250 * (1 + 0.0725)^x[/tex]

So the equation that represents your balance after x years is:

[tex]Balance = 250 * (1.0725)^x[/tex]

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Answer:

[tex]-13 > -21[/tex]

-13 is the warmer temperature.

Step-by-step explanation:

When comparing negative numbers, the number closer to zero on the number line is greater.

(OR, the negative number that, if it was positive, would be less).

In this case, that number is -13.

We now know that -13 is greater than -21, so we can write this inequality:

[tex]-13 > -21[/tex]

In regards to temperature, greater numbers usually mean hotter temperature, so -13 is the warmer temperature.

Therefore,  according to the given information, h ²(x) = (x^3 - 12 + t^2)^3 - 12 + t^2.

The function h(x) is defined as x³ minus 12 plus t squared, where x is greater than or equal to 0, and t is some constant. To find h²(x), we need to first calculate the result of applying h(x) to itself, which we can write as h(h(x)). After some calculations, we arrive at h(h(x)) equals x⁹ minus 36 times x to the power of 6 multiplied by t squared, plus 324 times x to the power of 3 multiplied by t to the power of 4, minus 12 times x cubed, plus 145 times t squared, minus 35 times t to the power of 4. Therefore, h²(x) is equal to the same expression we obtained for h(h(x)).

To find h²(x), we need to first find h(h(x)).
h(x) = x^3 - 12 + t^2
h(h(x)) = (h(x))^3 - 12 + t^2
Substituting h(x) into the above equation, we get:
h(h(x)) = (x^3 - 12 + t^2)^3 - 12 + t^2
Therefore, h²(x) = (x^3 - 12 + t^2)^3 - 12 + t^2.

Therefore,  according to the given information, h ²(x) = (x^3 - 12 + t^2)^3 - 12 + t^2.

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The equation of the largest circle is given as follows:

x² + y² = 9².

The equation of a circle of center [tex](x_0, y_0)[/tex] and radius r is given by:

[tex](x - x_0)^2 + (y - y_0)^2 = r^2[/tex]

The radius of a circle represents the distance between the center of the circle and a point on the circumference of the circle, while the diameter of the circle is the distance between two points on the circumference of the circle that pass through the center. Hence, the diameter’s length is twice the radius length.

The largest circle will have the largest radius, while the coefficients of x and y should be both of 1, hence the equation is given as follows:

x² + y² = 9².

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To find line segment AB, you'd have to use the principle of proportions. Thus, Line AB is 10.5.

To derive line segment AB,

6/4 = AB/7

To solve for AB, we can cross-multiply and simplify:

6/4 = AB/7

Multiply both sides by 7:

(6/4) * 7 = AB

Simplify:

10.5 = AB

Therefore, AB is equal to 10.5.

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Given right triangle ABC with altitude BD drawn to hypotenuse AC. If BD = 3 and DC = 9, the length of AC is:  4 units.

In a right triangle, the altitude from the right angle to the hypotenuse divides the hypotenuse into two segments. Let's call the length of the hypotenuse AC as x, and the length of the segment containing point B as y. Then, the length of the other segment containing point C is x - y.

Using similar triangles, we can set up the following proportion:

BD/DC = y/(x - y)

Substituting the given values, we get:

3/9 = y/(x - y)

Simplifying this equation, we get:

x - y = 3y/9

x = 4y/3

We also know from the Pythagorean theorem that:

AC^2 = AB^2 + BC^2

Since triangle ABC is a right triangle, we have:

AB^2 + BC^2 = x^2

Substituting x = 4y/3, we get:

AB^2 + BC^2 = (4y/3)^2

But we also know that:

AB/BC = 3/4

So we can set up another proportion:

AB/BC = y/(x - y)

Substituting x = 4y/3, we get:

AB/BC = y/(4y/3 - y)

Simplifying this equation, we get:

AB/BC = y/((4/3)y - y)

AB/BC = y/((1/3)y)

AB/BC = 3

So we have:

AB = 3BC

Substituting this into AB^2 + BC^2 = (4y/3)^2, we get:

(3BC)^2 + BC^2 = (4y/3)^2

10BC^2 = 16y^2/9

But we also know that:

BC^2 + y^2 = x^2

Substituting x = 4y/3, we get:

BC^2 + y^2 = (4y/3)^2

5BC^2 = 7y^2/9

Combining this with 10BC^2 = 16y^2/9, we get:

15BC^2 = 21y^2/9

BC^2 = (7/3)y^2/3

Substituting this into BC^2 + y^2 = (4y/3)^2, we get:

(7/3)y^2/3 + y^2 = 16y^2/9

7y^2/9 + 9y^2/9 = 16y^2/9

16y^2/9 = 16y^2/9

So this equation is true for any value of y. Therefore, the length of AC is:

AC = x = 4y/3

Substituting y = BD = 3, we get:

AC = 4(3)/3 = 4

Therefore, the length of AC is 4 units.

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The man is 23 km west of his home after driving 169 km to the east and 192 km to the west.

To determine how far the man is from his home after driving 169 km to the east and 192 km to the west, we can think of his movements as a displacement vector.

The vector representing the man's movement to the east has a magnitude of 169 km and is directed towards the east. Similarly, the vector representing his movement to the west has a magnitude of 192 km and is directed towards the west.

Since these two vectors are in opposite directions, we can subtract them to find the net displacement vector.

Net displacement = 169 km east - 192 km west

= -23 km west

The negative sign indicates that the net displacement vector is directed towards the west, which means that the man is 23 km west of his home.

To determine the distance between the man and his home, we can use the Pythagorean theorem. Since the man moved only in the east-west direction, the distance between him and his home is the absolute value of the net displacement, which is 23 km.

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The value of k given the absolute value functions is (a) k = -5

Given that

graph = f(x)

table = g(x)

Since the vertex of the function f(x) is at (0,1), we have f(0) = 1.

Also, from the given table, we have g(0) = -4.

Therefore, if g(x) = f(x) + k, we must have g(0) = f(0) + k = 1 + k.

But we also know that g(0) = -4. Thus, we have:

1 + k = -4

Solving for k, we get:

k = -5

Therefore, the value of k is -5.

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Answer:

Starting with the 3-4-5 right triangle, multiply all lengths by 50, obtaining 150, 200, and 250. So the length of the longer leg is 200 meters.

Hence, after 40 years, Davey will have $1,476,289.64 in his retirement account as n = the number of cycles.

A problem-solving strategy known as the unitary technique is determining the worth of one unit of such a quantity and utilising that value to determine the value of an other number of units related to that quantity. For issues where the price of one unit is given and the value of some other quantity is needed, it is a proportionality strategy. The unitary method's fundamental principle is to establish a ratio between two numbers, where one of the numbers is represented in the form of one unit while the other quantity is defined in terms of a greater number of units.

given

If Davey doesn't add any more money to his retirement account for the next 20 years, it will increase to:

[tex]FV = P * (1 + r)^n[/tex]

where FV is the lump sum's future value

P is the lump sum's present value, which in this example is $214,111.26.

R is the annual interest rate, which in this case is 9.35%.

n = the number of cycles (in this case, 20 years)

The following equation can be used to determine Davey's retirement account's potential value after 40 years:

[tex]FV = 214,111.26 * (1 + 0.0935)^20 = $1,476,289.64[/tex]

Hence, after 40 years, Davey will have $1,476,289.64 in his retirement account as n = the number of cycles.

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If a pizza with an 18-inch diameter is divided into 10 equal pieces, then each slice will have a surface area of roughly 25.45 square inches.

Diameter is defined as a straight line across the middle of a body or figure, particularly a circle or sphere. Pizza diameter is the length of a straight line that touches two locations on the edge of a pizza pie and passes through its center.

Each sector of the pizza, which is divided into 12 equal sections, has an arc measurement of 360/10= 36 degrees.

As = (360÷Ф) ×X r² where x is the measure of the intercepted wave, yields the area of a sector.

We know that x=36 and

d=18→r=9 in. Thus, r is the radius and A is the area of each intersecting arc of a sector.

A=1/10×81π

then each slice will have a surface area of roughly 25.45 square inches.

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The volume of the candle is,⇒ V = 31.4 in³.What is an expression?Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.Given that;A candle in the shape of a cylinder has the dimensions shown, in inches.And, Diameter of candle = 5 in.Height of candle = 8 in.We know that;Volume of cylinder = πr²hHence, We get;The volume of the candle is,⇒ V = 3.14 × (5/2)² × 8⇒ V = 3.14 × 10⇒ V = 31.4 in³.Thus, The volume of the candle is,⇒ V = 31.4 in³.

If john has a new house. the lot that the house stands on is a rectangle that is 125' long and 77' deep, John will need to purchase up to 19 boxes of grass seed.

First, we need to calculate the total area of the lot. The area of a rectangle is given by its length multiplied by its width, so:

Area of lot = 125 ft * 77 ft = 9625 square feet

Next, we need to determine the area of the portion of the lot that is not covered by the house. Since the house is located near the center of the lot, we can find the area of the rectangle that represents the space around the house and subtract it from the total area of the lot:

Area around house = (125 ft - 40 ft - 40 ft)/2 * (77 ft - 36 ft - 36 ft)/2 = 22.5 ft * 16.5 ft = 371.25 square feet

Area to be planted = 9625 square feet - 371.25 square feet = 9253.75 square feet

Now we can calculate the number of boxes of grass seed needed by dividing the area to be planted by the coverage of each box:

Number of boxes = 9253.75 square feet / 500 square feet per box = 18.51 boxes

Since you can't purchase a fraction of a box, John will need to round up to 19 boxes of grass seed.

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Answer:

0 and 1

Step-by-step explanation:

hope this helps ;)

An equivalent expression for the expression 6x + 15 is 3(2x + 5)

Part A:

The equation 6x + 15 = 6(x + 15) is false for all values of x because it does not follows the distributive property of multiplication over addition.

The equation 6x + 15 = x + x + x + x + x + x + 15 is true for all values of x because it is true when x has a specific value

Part B:

Another equivalent expression for 6x + 15 can be obtained by factoring out the greatest common factor (GCF) of the terms 6x and 15, which is 3:

6x + 15 = 3(2x + 5)

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Answer:

Part A: The equation 6x + 15 = 6(x + 15) is true for all values of x because it follows the distributive property of multiplication over addition. The equation x + x + x + x + x + x + 15 = 6x + 15 is false for all values of x because it is not equivalent to the original expression. While both expressions simplify to 6x + 15, the first equation adds six x's to 15, while the second equation only adds five x's to 15.

Part B: Another equivalent expression for 6x + 15 is 3(2x + 5). This expression also simplifies to 6x + 15 by using the distributive property of multiplication over addition.

Step-by-step explanation: