Find the equation of the line. The line is perpendicular to the graph of y=8x-3 and contains the point (4,-1)

Just asking. How are we supposed to answer this without some sort of picture with a graph or something? :/

Answer:

(-5,-8) reflected over the y-axis turns to (-5,8)

Answer:

$.20 × (x) + $79

Step-by-step explanation:

To find out how much needs to be paid, subtract the 500 from the total amount of minutes used to find the amount of minutes used over 500. Then, multiply the additional minute cost by the additional minutes and the add the normal price to that.

Say they used 560 minutes in a month. You would subtract 500 from 560 to get to get 60. Then, you would multiply 60 by $.20 to get $12. Then, add $12 to the original price of $79 to get $91, and that would be the total cost that month.

560 - 500 = 60 × $.20 = $12 + $79 = $91

Answer:

problem 2

Step-by-step explanation:

The feeding time constraint for cats can be written symbolically as:

12 minutes/day * number of cats <= 8 hours/day

The feeding time constraint for dogs can be written symbolically as:

20 minutes/day * number of dogs <= 8 hours/day

The pampering time constraint for cats can be written symbolically as:

16 minutes/day * number of cats <= 8 hours/day

The pampering time constraint for dogs can be written symbolically as:

20 minutes/day * number of dogs <= 8 hours/day

Answer:its a because its a

Step-by-step explanation:

Answer:

it is the letter a

Step-by-step explanation:

The length of the other leg of the right triangle is; 89.44 centimetres

According to the question;

By the Pythagoras theorem;

Hence, It follows that;

Find the square root of both sides of the equation;

x = 89.44 centimeters

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The correct answer is (d), i.e., the correct hypotheses are as follows:

\(H_o: p_1 = p_2= p_3\)

against

\(H_1:\) At least one of the proportions is different from the others.

In hypothesis testing, the objective is to reject the null hypothesis that's why the null hypothesis is always set against the desired result.

In this problem, there are three categories given, each having its individual proportions: \(p_1\), \(p_2\), and \(p_3\) .

The null hypothesis is that all proportions are equal, i.e.,

\(H_o: p_1 = p_2= p_3\)

and the alternative hypothesis is that at least any one of the proportions is not equal to the others, i.e.,

\(H_1:\) At least one of the proportions is different from the others.

Thus, option (d) is correct.

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The complete question is as follows:

The following table contains the number of successors and failures for three categories of a variable. Test whether the proportions are equal for each category at the α= 0.1 level of significance.

             Category 1 Category 2 Category 3

Failures       64              48             68

Successes   78              55             84

1) State the hypotheses. Choose the correct answer below:

a) H0: μ1 = E1 and μ2 = E2 and μ3 = E3

H1: At least one mean is different from what is expected.

b) H0: The categories of the variable and success and failure are independent.

H1: The categories of the variable and success and failure are dependent.

c) H0: The categories of the variable and success and failure are dependent.

H1: The categories of the variable and success and failure are independent.

d) H0: p1 = p2 = p3

H1: At least one of the proportions is different from the others.

Answer:

79 degrees

Step-by-step explanation:

180 - 101 = 79

Answer:

x = 300

Step-by-step explanation:

25% of x = 75

(25x/100) = 75

25x = 7500

x = (7500/25)

x = 300

Thenks and mark me brainliest :))

Answer:

x = 300

Step-by-step explanation:

Let's solve your equation step-by-step.

25100x=75

Step 1: Simplify both sides of the equation.

14x=75

Step 2: Multiply both sides by 4.

4*(14x)=(4)*(75)

Answer:

ANGLE 5 IS CONGURENT TO ANGLE 4

PLEASE MARK BRAINLIEST

Answer:

1 3/5

Step-by-step explanation:

First put the wholes into the fraction:

8 1/5 = 40/5 + 1/5 = 41/5

6 3/5 = 30/5 + 3/5 = 33/5

Now the difference is a simple subtraction

41/5 - 33/5 = 8/5 = 1 3/5

Answer:

Step-by-step explanation:

Answer:

f(x)+41 f(-10)=7

Step-by-step explanation:

A number multiplied by itself.

What is square?

In mathematics, a square is a number that is obtained by multiplying a number by itself. It is also a geometric shape with four equal sides and four right angles. The area of a square is calculated by multiplying the length of one of its sides by itself. The formula for calculating the area of a square is A = s^2, where A is the area and s is the length of one side.

Squares have many important applications in mathematics, including in algebra, geometry, trigonometry, and calculus. They are used in the Pythagorean theorem, which relates to the sides of a right triangle, and they are used to represent variables in algebraic equations. Squares are also important in geometry, where they are used to construct geometric shapes and to calculate their areas and perimeters.

The better definition of squares is:

A number multiplied by itself.

In mathematics, a square refers to the product of a number multiplied by itself. For example, the square of 4 is 16, because 4 multiplied by 4 equals 16. Squares have a variety of important applications in mathematics, including in geometry, algebra, and calculus.

While a result that has been proved to be true is sometimes referred to as a "square" in certain contexts, it is not the primary definition of the term. Similarly, a triangle with a right angle is referred to as a "right triangle" or a "right-angled triangle," but not a square.

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The correct equation can be given by;  2,500 = 125(2)^w. Option D

If we have a sentence that we want to convert to equation;

We can see that the beekeeper finds that the initial population of 125 bees doubles each week thus the correct equation is; 2,500 = 125(2)^w.

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The correct equation can be given by;  2,500 = 125(2)^w. Option D

How do you form equation from sentence?

If we have a sentence that we want to convert to equation;

Determine the mathematical relationships or procedures that are being described by carefully reading the statement.

Any unknown quantities in the phrase should be given variables.

To represent the processes or relationships, use conventional mathematical symbols.

Create a clear and succinct written version of the equation.

We can see that the beekeeper finds that the initial population of 125 bees doubles each week thus the correct equation is; 2,500 = 125(2)^w.

Answer:

Choice A

Step-by-step explanation:

2(−2−4p)+2(−2p−1)

-4-8p-4p-2

-12p-6

In a case whereby Adam traveled out of town for a regional basketball tournament. He drove at a steady speed of 72.4 miles per hour for 4.62 hours. The exact distance Adam traveled was miles Adam traveled a distance of about 335 miles.

The distance traveled in a unit of time is called speed. It refers to a thing's rate of movement. The scalar quantity known as speed is the velocity vector's magnitude. It has no clear direction.

Speed = Distance/ time

speed =72.4 miles

time=4.62 hours

Distance =speed * time

= 72.4 *4.62

Distance = 334.488 miles

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complete question;

Adam traveled out of town for a regional basketball tournament. He drove at a steady speed of 72.4 miles per hour for 4.62 hours. The exact distance Adam traveled was miles. Rounding decimals to the nearest whole number, Adam traveled a distance of about miles.

Caleb can choose which 20 items to buy in 1140 ways if he wants all 3 cheeses.

To choose 20 items at the grocery store, Caleb has narrowed down his selections to 5 vegetables, 8 fruits, 3 cheeses, and 7 whole grain breads. Since he wants all 3 cheeses, he only needs to choose 17 more items.

The number of ways he can choose these 17 items from the remaining vegetables, fruits, and breads is given by the combination: C(5+8+7, 17) = C(20, 17) = 1140.

This formula means that there are 20 items to choose from, and Caleb wants to choose 17. The order doesn't matter, so we use a combination.

Therefore, Caleb can choose which 20 items to buy in 1140 ways if he wants all 3 cheeses.

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The probability that the three names are not in alphabetical order is 2/3.

To calculate the probability that the three names are not in alphabetical order, we need to determine the total number of possible orders for the names and the number of orders that satisfy the condition of not being in alphabetical order.

Total number of possible orders:

When three names are arranged in a random order, there are 3! = 3 * 2 * 1 = 6 possible orders.

Number of orders not in alphabetical order:

For the names to be in alphabetical order, they must appear in either ascending or descending order. There are two possible orders that satisfy this condition: ABC (ascending) and CBA (descending).

Therefore, the number of orders not in alphabetical order is 6 - 2 = 4.

Probability:

The probability is calculated by dividing the number of favorable outcomes (orders not in alphabetical order) by the total number of possible outcomes.

Probability = Number of favorable outcomes / Total number of possible outcomes

Probability = 4 / 6

Probability = 2/3

Therefore, the probability that the three names are not in alphabetical order is 2/3.

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156 short sleeve shirts were sold in Emily's clothing store during the given period.

To determine the number of short sleeve shirts sold in Emily's clothing store, we need to calculate 3/10 of the total number of shirts sold, since the ratio of short sleeve to long sleeve shirts is 3:7.

We know that the total number of shirts sold is 520. To find 3/10 of 520, we multiply 520 by 3/10:

3/10 * 520 = (3/10) * 520 = (3 * 520) / 10 = 1560 / 10 = 156

Therefore, 156 short sleeve shirts were sold in Emily's clothing store in August.

Alternatively, we can solve this problem using proportions. If we set up the proportion:

(3/10) = x/520,

where x represents the number of short sleeve shirts sold, we can cross-multiply to find:

10x = 3 * 520,

10x = 1560,

x = 156.

Hence, 156 short sleeve shirts were sold in Emily's clothing store during the given period.

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Answer:

x = -25.

Step-by-step explanation:

If f(x) = 2x + 1, and g(x) = -5x + 2, then f(g(x)) = 2(-5x + 2) + 1 = -10x + 4 + 1 = -10x + 5.

f(g(x)) = -10x + 5, and x = 3.

-10 * 3 + 5

= -30 + 5

= -25.

Hope this helps!

Answer:

its 34

Step-by-step explanation:

Answer:

34

Step-by-step explanation:

as i said before, dividing the number (40) by the percent (85)

another way to do it is to multiply

since 85% is 85/100

85/100 *40

(85 * 40)/100

(85 * 40) = 3400

3400/100

remove zeros on both the numerator and denominator since they are in the same places (ones and tens, 1s and 10s)

34/1 = 34

your answer is 34

hope this helps:)

The area of the isosceles triangle with sides of 13 and a base of 10 is 60 square units.

To find the area of an isosceles triangle with sides of 13 and a base of 10, we can use the formula for the area of a triangle: A = 1/2 * b * h, where b is the length of the base and h is the height of the triangle.

Since the triangle is isosceles, we know that the two sides with length 13 are equal. Let's call the height of the triangle h. We can draw an altitude from the vertex opposite the base to the midpoint of the base. This will split the isosceles triangle into two congruent right triangles.

Using the Pythagorean theorem, we can find the height of one of the right triangles:

a^2 + b^2 = c^2

where a and b are the legs of the right triangle (which are half of the base, or 5), and c is the hypotenuse (which is one of the sides with length 13):

5^2 + h^2 = 13^2

25 + h^2 = 169

h^2 = 144

h = 12

Now we can plug in the values we have into the formula for the area of a triangle:

A = 1/2 * b * h

A = 1/2 * 10 * 12

A = 60

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Answer:

The polygon has \(12\) sides.

Step-by-step explanation:

Recall that the expression for finding the measure of one interior angle of a regular polygon is \(\frac{180(n-2)}{n}\), where \(n\) is the number of sides the polygon has (and \(n\neq 0\)), which is what we want to find.

Because the measure of one interior angle of the given polygon is \(150\textdegree\), we can write the following equation to solve for \(n\):

\(\frac{180(n-2)}{n}=150\)

Solving for \(n\), we get:

\(\frac{180(n-2)}{n}=150\)

\(\frac{180n-360}{n}=150\) (Distribute the \(180\) in the numerator)

\(180n-360=150n\) (Multiply both sides of the equation by \(n\) to eliminate the denominator and simplify)

\(30n-360=0\) (Subtract \(150n\) from both sides of the equation and simplify)

\(30n=360\) (Add \(360\) to both sides of the equation to isolate \(n\) and simplify)

\(\bf n=12\) (Divide both sides of the equation by \(30\) to get rid of \(n\)'s coefficient and simplify)

Therefore, the polygon has \(\bf 12\) sides. Hope this helps!

Answer:

(-5, 3)

Step-by-step explanation:

When reflecting over the x axis, take the opposite of the y coordinate.

(-5, -3) -----> (-5, 3)

Answer: Each bottle contains 360 milliliters.

Step-by-step explanation:

Let's call the amount of milliliters in each bottle "x".

Fubara has 3 full bottles, so the total amount of milliliters she has is 3x. She also has 20 milliliters more, bringing her total to 3x + 20.

Dayo has 2 full bottles, so the total amount of milliliters he has is 2x. He also has 140 milliliters more, bringing his total to 2x + 140.

Since they have the same amount of orange drink, we can set the two expressions equal to each other:

3x + 20 = 2x + 140

Subtracting 2x from both sides:

x + 20 = 140

Subtracting 20 from both sides:

x = 120

So each bottle contains 360 milliliters.

Answer:

x = -2/3  x=1

Step-by-step explanation:

We cant solve by substitution with just one equation

-3x^2 + x +2=0

Factor out a negative

-(3x^2 -x-2) = 0

Divide by negative 1

(3x^2 -x-2) = 0

Factor

(3x +2) (x-1)=0

Using the zero product property

3x+2 =0   x-1 =0

3x= -2   x=1

x = -2/3  x=1

Answer:

\(x = \frac{2}{3} \\ x = - 1\)

Step-by-step explanation:

\(x - 3 {x}^{2} + 2 = 0 \\ - 3 {x}^{2} + x + 2 = 0 \\ - 3 {x}^{2} - 3x + 2x + 2 = 0 \\ - 3x(x + 1) + 2(x + 1) = 0 \\ ( - 3x + 2)(x + 1) = 0\)

\( - 3x + 2 = 0 \\ - 3x = - 2 \\ \frac{ - 3x}{ - 3} = \frac{ - 2}{ - 3} \\ x = \frac{2}{3} \)

\(x + 1 = 0 \\ x = - 1\)

hope this helps

brainliest appreciated

good luck! have a nice day!

Answer:

If those are absolute value lines: 22 and -64

Step-by-step explanation:

43 = | c + 21 | is an absolute value equation, meaning it has two answers.

To get the first you keep 43 positive and remove the absolute values and solve normally: 43 = c + 21 -> 43 - 21 = c -> c = 22.

To get the second you make 43 negative and remove the absolute values then solve: -43 = c + 21 -> -43 - 21 = c -> c = -64

43 = 22 + 21 -> 43 = 43

43 = -64 + 21 -> 43 = 43

Given that X₁, X₂,..., X is a random sample from an exponential family with the following probability density function, f(x 0) = exp (0T(x) + d(0)+ S(x)).

To form the hypothesis for the exponential family, we need to consider the null and alternative hypothesis.

Null hypothesis: 0= 0

Alternative hypothesis: 0 ≠ 0

Explanation: The exponential family is a class of distribution families. The density of an exponential family is given by the following expression:

f(x|θ) = h(x) exp{θT(x) − A(θ)},

where h(x) is a nonnegative function of the data that does not depend on the parameter θ and A(θ) is a normalizing function.

The parameter θ is typically called the natural parameter, and T(x) is the vector of sufficient statistics. The exponential family of distributions includes the normal, exponential, chi-squared, gamma, and beta distributions, among others. In hypothesis testing for the exponential family, we typically specify a null hypothesis and an alternative hypothesis, just as in other types of hypothesis testing. The test statistic is usually a ratio of two likelihood ratios.

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Answer:

We get, f(x) = 3x - 2 is also a polynomial function.

Step-by-step explanation:

Therefore, its domain is also 'all the real numbers'.

Answer:

24

Step-by-step explanation:

72/3