How come two negatives make a positive, but three negatives makes a negative? Does this have to do with there being an odd/even amounts of negatives and cancelling each other out?

Answer:

437.5

Step-by-step explanation:

y = .8x +250

600 = .8x + 250

350 = .8x

437.5

Answer:

C. 84%

Step-by-step explanation:

If the mean male height is 70.8 inches (5 feet 10.8 inches)

and 6 feet falls within one deviation of the mean.

Through a normal distribution curve about 85 percent of men would be able to fit through the door

The other closest answer would be 65%, but this is incorrect as it only accounts for the men who fall under 1 standard deviation away from the mean, while all the men who are on the short outlier side would still be able to fit through the door.

Answer:

10x=1/2(x+3)

Step-by-step explanation:

option b is the answer

Therefore, The p-value is the probability of obtaining a test statistic as extreme or more extreme than the observed value, assuming the null hypothesis is true. If the p-value is less than the significance level, reject the null hypothesis; otherwise, fail to reject it.

To find the p-value from the t statistic on TI-84, you will need to perform a hypothesis test. Here are the steps:1. Enter your data into the calculator and choose the appropriate test.2. Calculate the t statistic by dividing the sample mean by the standard error.3. Determine the degrees of freedom. This is n-1 for a one-sample t-test or n1+n2-2 for a two-sample t-test. 4. Use the t-distribution table to find the critical value for your test.5. Calculate the p-value using the t-distribution function on the calculator.6. Compare the p-value to the significance level (usually 0.05) to determine whether to reject or fail to reject the null hypothesis.7.

Therefore, The p-value is the probability of obtaining a test statistic as extreme or more extreme than the observed value, assuming the null hypothesis is true. If the p-value is less than the significance level, reject the null hypothesis; otherwise, fail to reject it.

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The given ratio of yes votes to no votes is 3:4

Then,

The ratio of yes votes: to no votes = 3:4  

Yes votes = 2721,

Now,

2721/3 = 907

907 × 4 = 3628.

Hence, there were 3628 no votes.

To calculate the ratio, use this formula:

Ratios equate two numbers, usually by dividing them. If you are comparing one data point (x) to any other data point (y), your formula would be x/y. This means you are dividing information x by information y.

For example, if A is 50 and B is 100, your ratio will be 50/100 the ratio will be 1:2.

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Therefore , it means if an equation have 2 roots , it means it is a quadratic function .

A number's  root is that factor of the number that, when multiplied by itself, yields the original number. Specifically, squares and square roots are exponents. Think of the number nine. This can be expressed as  or as 3 x 3.

Here,

If an equation have 2 roots , it means it is a quadratic function

If D=0, a quadratic function has two roots that are equal.

D (discriminant) = 0

=>b24ac=0 is required for a polynomial function to have equal roots.

Therefore , it means if an equation have 2 roots , it means it is a quadratic function .

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Chris cut a length of rope that was 12 feet long. Dayna cut a rope 4 times as long as Chris's rope. Benita cut a rope 1/4 as long as Chris's rope.

3. How long is Dayna's rope?

Dayana= 12 x 4 =48 ft

4. How long is Benita's rope?

Answer:

\(40-50d\)

Step-by-step explanation:

Use the distributive property:

\(10(4-5d)\\\\10(4)-10(5d)\\\\40-50d\)

Since these are not like terms, they can't be further simplified.

:Done

Answer:

A

Step-by-step explanation:

In A, the number of bags that had more than 19 skittles is 7 and the number of bags that had less than 19 skittles is 16, so A is true.

In B, the median package contained 18 candies.

In C, 5 bags contained 18 candies, while there were 8 bags in total for the 17 and 20 bags.

In D, the range is the highest value minus the lowest, so it's 22-12=10.

After w weeks, the expression for the total cost of games is 250 + 4000w.

What is Expression?

Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a statement. It's possible to multiply, divide, add, or subtract with this mathematical operation. An expression's structure is as follows: Expression: (Math Operator, Number/Variable, Math Operator)

An algebraic expression known as a linear expression has terms that are either constants or variables raised to the first power. Alternatively put, none of the exponents can be greater than 1.

As an illustration, while x is a variable raised to the first power, x2 is a variable raised to the second power. An illustration of a constant is 5.

Linear expressions are what the two expressions are. One variable raised to the power of one makes up a linear expression.

250 + 1000g.

Where: g(w) = 4w.

250 + 1000(4w).

250 + 4000w.

Therefore, number of games produced in w weeks is 250 + 4000w.

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The conclusion "(x)(A(x) ∨ B(x))" is false since there exist elements (e.g., 1) that satisfy B(x) but not A(x).

To show that the argument is invalid using the model universe method, we need to find a counterexample where the premises are true, but the conclusion is false.

Let's consider the following interpretation:

Domain of discourse: {1, 2}

A(x): x is even

B(x): x is odd

Under this interpretation, the premises "(x)(A(x) ∧ B(x))" and "(∃x)A(x)" are true because all elements in the domain satisfy A(x) ∧ B(x), and there exists at least one element (e.g., 2) that satisfies A(x).

However, the conclusion "(x)(A(x) ∨ B(x))" is false since there exist elements (e.g., 1) that satisfy B(x) but not A(x).

In this counterexample, the premises are true, but the conclusion is false, demonstrating that the argument is invalid using the model universe method.

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Answer:

omg finally I can answer one of your questions meeeeeee!

Answer:

Not a bad movie

Step-by-step explanation:

Answer:

6.71

Step-by-step explanation:

Pythagorean theorem

a^2+b^2=c^2

6^2+3^2=c^2

36+9=c^2

45=c^2

6.71=c

I hope this can help you out some

To convert the polar coordinate (X = y = 7π/6) to Cartesian coordinates, we need to determine the corresponding x and y values.

In this case, the given polar coordinate is X = y = 7π/6. To convert this to Cartesian coordinates, we use the formulas x = r * cos(theta) and y = r * sin(theta), where r is the radial distance and theta is the angle in radians.

Given the angle theta as 7π/6, we can determine the corresponding values for x and y.

x = r * cos(7π/6) = 7π/6 * cos(7π/6) = (7π/6) * (-√3/2) = -7√3/12

y = r * sin(7π/6) = 7π/6 * sin(7π/6) = (7π/6) * (-1/2) = -7π/12

Therefore, the Cartesian coordinates for the polar coordinate (X = y = 7π/6) are x = -7√3/12 and y = -7π/12.

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The average time it takes to rent a video tape is 0.141 minutes.

Given data:Customers arrive at a video rental desk at the rate of 12 per minute(Poisson).
Each server can handle 8.15 customers per minute(Poisson). If there are 3 servers, we need to determine the average time it takes to rent a video tape.
Let us assume λ = 12 and μ = 3 × 8.15 = 24.45
Average time it takes to rent a video tape = 1 / (μ - λ/n)
Where, n = number of servers⇒ Average time it takes to rent a video tape = 1 / (24.45 - 12/3)⇒ Average time it takes to rent a video tape = 1 / 8.45⇒ Average time it takes to rent a video tape = 0.1185 minutes = 0.141 rounded to three decimal places.

Thus, the average time it takes to rent a video tape is 0.141 minutes.

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A. A graph of the function y = -0.05x + 12 is shown on the coordinate plane below.

B. The domain and range of the part of the function graphed include:

Domain = [-40, 40].

Range = [10, 14].

In this scenario, we would use an online graphing calculator to plot the given linear function y = -0.05x + 12 in slope-intercept form for -40 ≤ x ≤ 40, as shown in the graph attached below.

Part B.

By critically observing the graph shown in the image attached above, we can reasonably and logically deduce the following domain and range:

Domain = [-40, 40] or -40 ≤ x ≤ 40.

Range = [10, 14] or 10 ≤ x ≤ 14.

When x = -40, the y-value (range) can be determined as follows;

y = -0.05x + 12

y = -0.05(-40) + 12

y = 2 + 12

y = 14.

When x = 40, the y-value (range) can be determined as follows;

y = -0.05x + 12

y = -0.05(40) + 12

y = -2 + 12

y = 10.

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Answer:

6(x+7)

Step-by-step explanation:

Answer:

c) 152

Step-by-step explanation:

A central angle is equal to the measure of its corresponding arc.

∠AOB is a central angle and arc AB is its corresponding arc

Thus, ∠AOB ≅ Arc AB

Which means that because arc AB = 152, ∠AOB also equals 152

Answer:

1,645 poles

Step-by-step explanation:

Here, we want to calculate the total number of poles

We can have an arithmetic progression here

Where the last term is the 58 piles , the first term is the top layer which is 12 and the common difference between the piles is 1

Firstly, we calculate the number of stacks which can be obtained using the nth term formula;

Tn = a + (n-1)d

58 = 12 + (n-1)1

58 = 12 + n - 1

58 = n + 11

n = 58-11

n = 47

So we have the stack high up to 47 units

So, using the sum of terms in an arithmetic sequence formula, we have;

Sn = n/2 ( a + L)

where a is the first term 12 and L is the last term 58

Thus, we have

Sn = 47/2( 12 + 58)

Sn = 47/2 * 70

Sn = 1,645

1) The proof that ΔFEH ≅ΔFGH is given as follows:

ΔFH bisects ∠EFG (Given)

∠FEH ≅ ∠ FGH.

FH = HF (Given)

∠EFH ≅ ∠FHG (Angle Bisector Theorem)

Thus, ΔFEH ≅ΔFGH  (Angle  - Side - Angle Theorem)

2) The proof that ΔPQR ≅ ΔTSR is:

∠RPQ ≅ ∠RTS - Given

R is the midpoint of QS - Given the Definition of Midpoint

QR ≅ RS -  Definition of Midpoint

∠PRQ ≅ ∠SRT Vertical Angles

Thus: ΔPQR ≅ ΔTSR - Angle - Angle - Side Theorem.

3) the proof that ΔABC ≅ Δ DCB is given as follows:
ΔABC and ΔDCB are Right Angled Triangles

AB ≅ DC - Given

BC ≅CB - Reflective Properties; thus

ΔABC ≅ ΔDCB - Hypothenus Leg Theorem.

According to the hypotenuse-leg (HL) theorem, if the hypotenuse and a leg of a right triangle are both congruent with the corresponding hypotenuse and leg of another right triangle, the triangles are congruent. According to the HL theorem, these triangles are congruent.

There is one exception to this rule: when the angles are straight angles. Using words: The triangles are congruent if the hypotenuse and a leg of one right triangle are congruent to the hypotenuse and a leg of another right triangle.

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Applying the sum of angles on a straight line, we have:

Equation = x + 70 + 60 = 180

Measure of x = 50°.

In geometry, an angle is formed when two rays are joined at their endpoints. These rays are called the sides or arms of the angle.

A straight line angle equals 180 degrees.

Therefore, the sum of all the angles on a straight line = 180 degrees.

Thus, the equation to solve for x would be:

x + 70 + 60 = 180

Solving for x

x + 130 = 180

x = 180 - 130

x = 50°

Hence, 50° is the measure of angle x.

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This triangle is warning you to slow down and be prepared to stop. It indicates that a railroad crossing is ahead and you should proceed with caution.

This sign is warning you that a railroad crossing is ahead, and you should proceed with caution. The triangle shape is reflective orange with a red border on each of the three sides. This sign indicates that you should slow down and be prepared to stop as a train may be approaching. You should also look both ways for any oncoming trains before continuing to cross the tracks. Additionally, you should never try to drive around a lowered crossing gate and never cross the tracks until you are sure that it is safe to do so. Always obey the signs and signals at railroad crossings and never take any chances when it comes to safety. Following these rules will help to ensure that everyone stays safe when crossing railroad tracks.

the complete question is : What does a sign with a reflective orange triangle with a red border on each of the three sides warn you off ?

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The sign with a reflective orange triangle with a red border on each of the three sides warn you of Slow moving vehicles.

Here we have to find the reason behind sign with a reflective orange triangle with a red border on each of the three sides.

Basically this type of sign are look like a warning triangle which is also an equilateral  triangle of around 600mm in size made of red reflective material. Where it can be put on the side of the road by anyone to warn other drivers of a breakdown or crash ahead.

And it must also said that the reflective orange triangle on the rear of a vehicle means it is traveling 35 mph or less. And here you may see this sign on road maintenance equipment, farm vehicles, or horse- drawn wagons.

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The expression is expanded and simplified to 7y - 4

Note that algebraic expressions are described as mathematical expressions that are composed of coefficients, factors, constants, variables and terms.

They are also made up of some mathematical operations. These operations are;

From the information given, we have that;

5(y - 2) + 2(y - 3)

expand the bracket, we have;

5y - 10 + 2y - 6

collect the like terms

5y + 2y - 10 + 6

add the values

7y - 4

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Step-by-step explanation:

as, sum of all angles on a Straight line is 180°

so,

4x + 2 + 110 = 180

→ 4x + 112 = 180

→ 4x = 180 - 112 = 68

→ x = 68 /4 = 17

→ x = 17

therefore, value of x is 17°

hope this answer helps you dear!

Answer:

reeeeeeeeeeeeeeeeeeeeee

Step-by-step explanation:

\(\qquad \textit{Amount for Exponential Growth} \\\\ A=P(1 + r)^t\qquad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{initial amount}\dotfill &1.197\times 10^{5}\\ r=rate\to 3.4\%\to \frac{3.4}{100}\dotfill &0.034\\ t=years\dotfill &6\\ \end{cases} \\\\\\ A = 1.197\times 10^{5}(1 + 0.034)^{6} \implies A =1.197\times 10^{5}(1.034)^{6}\)

The equation that represents the town's population after 6 years is P ≈ \(1.475 X 10^5\).

Population refers to the total number of individuals or organisms of a particular species living in a specific area or region.

The equation that represents the town's population after 6 years can be obtained using the formula for exponential growth:

P = \(P_0 * (1 + r)^t\)

Where:

P0 = initial population

r = annual growth rate expressed as a decimal

t = number of years

P = population after t years

In this case, we have:

P0 = \(1.197 X10^5\)

r = 0.034 (since the growth rate is 3.4%)

t = 6

Substituting these values into the formula, we get:

P = \(1.197×10^5 * (1 + 0.034)^6\)

Simplifying the expression, we get:

P ≈ \(1.475 X 10^5\)

Therefore, the equation that represents the town's population after 6 years is P ≈ \(1.475 X 10^5\)

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Answer:

i got 33 for my answer but i dnt know hope it helps

Answer:

x= -1/4 =- sqrt33/4

x=1.18614

x=−1.68614

Step-by-step explanation:

Check image/ check work with quadratic formula.

Categorical data is data that can be divided into different categories. Examples of categorical data include hair color, number of suitcases on a plane, tree height, and amount of rainfall.

Hair color would be classified as categorical data because it can be divided into categories such as black, brown, blonde, and red. Number of suitcases on a plane would also be classified as categorical data because the amount of suitcases can be divided into categories such as 0, 1, 2, 3, etc. Tree height would be classified as categorical data as it can be divided into categories such as small, medium, and large. Amount of rainfall would also be classified as categorical data as it can be divided into categories such as light rainfall, moderate rainfall, and heavy rainfall.

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The demand function for good X is Qx = m - 3Px + 2Py, where Qx is the quantity demanded of X, m is income, Px is the price of X, and Py is the price of a related good Y. The equation shows that the demand for X is inversely related to its price and directly related to the price of Y. Income, price of X, and price of Y collectively affect the overall demand for X.


The demand function for good X is given by Qx = m - 3Px + 2Py, where Qx represents the quantity demanded of good X, m is the income, Px is the price of good X, and Py is the price of a related good Y. In this equation, the income and prices are assumed to be positive.

To determine the demand for good X, we can analyze the equation. The coefficient -3 in front of Px indicates that the demand for good X is inversely related to its price. As the price of X increases, the quantity demanded of X decreases, assuming other factors remain constant. On the other hand, the coefficient 2 in front of Py indicates that the demand for good X is directly related to the price of the related good Y. If the price of Y increases, the quantity demanded of X also increases, assuming other factors remain constant.

Furthermore, the term (m - 3Px + 2Py) represents the overall effect of income, price of X, and price of Y on the quantity demanded of X. If income (m) increases, the quantity demanded of X increases. If the price of X (Px) increases, the quantity demanded of X decreases. If the price of Y (Py) increases, the quantity demanded of X increases.

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