100-3(4.25)-13-4(2.99) SOMEONE PLSS HELP MEE THIS IS DIE TMRW!!

Answer:

f^2=49

Step-by-step explanation:

The temperature indoors and outdoors the same after 16 minutes

The function is given as

f(x) = -5log4 (x-15)

When the temperatures are equal, we have

f(x) = 0

So, the equation becomes

-5log4 (x-15) = 0

Divide by -5

So, we have

log4 (x-15) = 0

Take the exponent of both sides

x - 15 = 4^0

So, we have

x - 15 = 1

Evaluate

x = 16

Hence, the time is 16 minutes

Read more about functions at

https://brainly.com/question/28532394

#SPJ1

Answer:

its c! :) I hope this helped you:)

6 gifts. 6 yards of ribbon.

Answer:

according to me its just multiplying with the number ( -2)

like 9×(-2) = -18

36×(-2) = -72

The number of pages read by the student at the constant rate in 20 minutes is 10 pages.

For the given question,

The rate at which the student reads the book is given by equation;

y = (1/2)x.

Consider the data from the table given.

For 1 minutes the pages read is 0.5.

From the recommendation of 20 pages by the teacher.

Thus, for 20 min, put the value x = 20 in the equation.

y = (1/2)×20

y = 10 pages.

Thus, the number of pages read by the student at the constant rate in 20 minutes is 10 pages.

To know more about the constant rate, here

https://brainly.com/question/8983899

#SPJ13

The complete question is-

A student reads at a constant rate in her chapter book, Where the Red Fern Grows. This can be described by the equation

y = (1/2)x. The chart above is complete.  The teacher recommends that students read for 20 minutes each night. How many pages will the student complete?

The set of all pairs of real numbers (x1, y) with the operations (x1, y1) + (x2, y2) = (x1 + x2, y1 + y2) and k(x, y) = (2k, 2ky) is not a vector space.

The first axiom of a vector space is that the sum of two vectors is a vector. In this case, the sum of two vectors (x1, y1) and (x2, y2) is (x1 + x2, y1 + y2).

However, this vector does not belong to the set of all pairs of real numbers, because the second component is not necessarily a real number.

For example, if (x1, y1) = (1, 2) and (x2, y2) = (3, 4), then the sum is (4, 6), which is not a pair of real numbers.

Therefore, the set of all pairs of real numbers with the operations (x1, y1) + (x2, y2) = (x1 + x2, y1 + y2) and k(x, y) = (2k, 2ky) does not satisfy the first axiom of a vector space.

to learn more about real numbers click here:

brainly.com/question/29572128

#SPJ11

There are 3080 ways 3 men and 2 women can be chosen if they are equally considered, using the multiplication principle of counting

The multiplication principle states that if there are m ways to perform one task and n ways to perform another task, then there are m x n ways to perform both tasks together.

To find the number of ways to choose 3 men from the 12 men, we can use the formula for combination, which is: ⁿCᵣ = n! / (r! (n-r)!).

where n is the total number of men and r is the number of men chosen

so, the number of ways to choose 3 men from the 12 men = ¹²C₃ = 1.

Similarly, we evaluate the number of ways to choose 2 women from the 8 women

as = ⁸C₂ = 14

Now, using the multiplication principle, we can find the total number of ways 3 men and 2 women be chosen if they are equally considered.

220 x 14 = 3080

Therefore, there are 3080 ways 3 men and 2 women can be chosen if they are equally considered, using the multiplication principle of counting

Know more about multiplication principle here:https://brainly.com/question/10275154

#SPJ1

Answer:

y = 3/2x - 4

Step-by-step explanation:

The area of rhombus KLMN is 287.3 in²

A quadrilateral called a rhombus has four equal-length sides. The term "equilateral quadrilateral" refers to a quadrilateral whose sides all have equal lengths.

Given:

Since, the diagonals of a rhombus bisects each other at a right angle,

Let they bisect at O,

so, KM = 2MO = 2KO = 2×11.4 = 22.8 in

Thus, Δ KON is a right triangle,

Using Pythagoras theorem,

KN² = KO² + ON²

ON = √17²-11.4²

ON = 12.611 in

LN = 2×12.611

LN = 25.22 in

Then, Area of a rhombus = 1/2 × diagonal 1 × diagonal 2

Area = 1/2 × 25.22 × 22.8

        = 287.3 in²

Hence, the area of rhombus KLMN is 287.3 in²

Learn more about rhombus here;

brainly.com/question/27870968

#SPJ1

Answer:

145°

Step-by-step explanation:

< 6 + <2 = 180° {being linear pair }

70° + < 2 = 180°

< 2 = 180° - 70°

< 2 = 110°

Now

< 4 = < 1 + < 2 (exterior angle of a triangle is equal to the sum of two opposite interior angles)

<4 = 35° + 110°

= 145°

Hope it will help :)

The perimeter of the letter "T" is 22 inches.

Since the letter "T" is formed by placing two rectangles next to each other, its perimeter is the sum of the perimeters of the two rectangles minus the shared side.

The shared side will be the width of the rectangles, which is 2 inches.

The lengths of the rectangles are 4 inches each.

Let's calculate the perimeter:

Perimeter of the top rectangle = 2 * (length + width) = 2 * (4 + 2) = 12 inches

Perimeter of the bottom rectangle = 2 * (length + width) = 2 * (4 + 2) = 12 inches

Now, subtract the shared side (width) once:

Shared side = 2 inches

Total perimeter = (Perimeter of top rectangle + Perimeter of bottom rectangle) - Shared side

Total perimeter = (12 + 12) - 2 = 22 inches

So, the perimeter of the letter "T" is 22 inches.

Learn more about perimeter here:

brainly.com/question/397857

#SPJ12

The given parametric equations are given below:v = t² + 3 y = ln(t² + 3) z = tWe have to find the parametric equations for the tangent line to the curve with the given parametric equations at the specified point (2, ln 4, 1).

Explanation:Let (x₀, y₀, z₀) = (2, ln 4, 1) be the specified point.To find the tangent line, we need to find a point and a vector. We already have the point, we can find the vector by taking the derivative of each component of the vector function:(v, y, z) = (t² + 3, ln(t² + 3), t)Differentiating each component we get:(v', y', z') = (2t, (2t / (t² + 3)), 1)Now evaluating the derivatives at t = 2, we get:(v'(2), y'(2), z'(2)) = (4, 4 / 7, 1)Thus the tangent vector is (4, 4 / 7, 1).We can write the equation for the line in vector form as:r = r₀ + t vwhere r₀ is the initial position vector (2, ln 4, 1), v is the direction vector (4, 4 / 7, 1), and t is a parameter.We can write the parametric equation of the line as:(x, y, z) = (2, ln 4, 1) + t(4, 4 / 7, 1)

Multiplying the vector (4, 4 / 7, 1) by t and adding it to the point (2, ln 4, 1), we get the following equation:(x, y, z) = (2 + 4t, ln 4 + (4 / 7)t, 1 + t)The above equation gives the required parametric equations for the tangent line to the curve at the specified point.

Learn more about Equations here,What is equation? Define equation

https://brainly.com/question/29174899

#SPJ11

a. the integral \(I\) becomes \(\[I = a\theta + \sin(\theta) + C\]\) where \(\(C\)\) is the constant of integration. b. the integral \(I\) becomes \(\[I = \frac{1}{2}a\theta^2 + \sin(\theta) + C\]\) where \(\(C\)\) is the constant of integration.

To evaluate the integral \(I = \int (a + \cos(\theta)) \, d\theta\), we can apply the integral rules and properties. Let's consider the two given cases:

(a) If \(a > 1\):

In this case, the integral can be evaluated directly. The integral of \(a\) with respect to \(\theta\) is \(a\theta\), and the integral of \(\cos(\theta)\) is \(\sin(\theta)\). Therefore, the integral \(I\) becomes:

\[I = a\theta + \sin(\theta) + C\]

where \(C\) is the constant of integration.

(b) If \(a = a_0 + i e\), where \(a_0\) and \(e\) are real and positive:

In this case, the integral can also be evaluated using the same rules. The integral of a constant multiplied by a variable is \(\frac{1}{2}a\theta^2\), and the integral of \(\cos(\theta)\) is \(\sin(\theta)\). Therefore, the integral \(I\) becomes:

\[I = \frac{1}{2}a\theta^2 + \sin(\theta) + C\]

where \(C\) is the constant of integration.

It's important to note that the integral is evaluated based on the assumption that \(d\theta\) is the differential of \(\theta\) and not a different variable. Also, \(C\) represents the constant of integration, which can take any value.

Learn more about integral here

https://brainly.com/question/30094386

#SPJ11

To maintain the same ratio of Fuji apple trees to Gala apple trees, the owners of Hillsdale Orchard should: plant 12 new Fuji apple trees when they plant 30 new Gala apple trees.

To find the number of new Fuji apple trees that the owners of Hillsdale Orchard should plant to maintain the same ratio of Fuji apple trees to Gala apple trees, we need to use a ratio table.

First, we need to determine the ratio of Fuji apple trees to Gala apple trees before the new trees are planted. Let's assume that there are currently 40 Fuji apple trees and 100 Gala apple trees. The ratio of Fuji apple trees to Gala apple trees is therefore 40:100, which can be simplified to 2:5.

Next, we need to use this ratio to determine the number of new Fuji apple trees that need to be planted. Since the owners are planting 30 new Gala apple trees, we can use the ratio of 2:5 to find the corresponding number of new Fuji apple trees.

To do this, we need to divide the number of new Gala apple trees by the denominator of the ratio (which represents the number of units of the ratio). In this case, the denominator is 5.

30 (new Gala apple trees) ÷ 5 (denominator) = 6

This means that for every 5 new Gala apple trees, the owners should plant 2 new Fuji apple trees. Therefore, the owners should plant 12 new Fuji apple trees (2 trees for every 5 new Gala apple trees, multiplied by the 30 new Gala apple trees being planted).

In summary, to maintain the same ratio of Fuji apple trees to Gala apple trees, the owners of Hillsdale Orchard should plant 12 new Fuji apple trees when they plant 30 new Gala apple trees.

To know more about ratio, refer here:

https://brainly.com/question/29775587#

#SPJ11

Answer: x=75°

Step-by-step explanation:

x+44+61=180 ==> three angles in a triangle add up to 180 degrees

x+105=180

x+105-105=180-105

x=75°

Answer: A

Step-by-step explanation: To solve this problem, we can set up a system of equations to represent the information given in the problem. Let x represent the cost of a plate of spring rolls, y represent the cost of a plate of chicken tenders, and z represent the cost of a plate of pretzel dippers.

The first group spent $23 on 2 plates of chicken tenders and 1 plate of pretzel dippers, so the equation for this group is:

2y + z = $23

The second group spent $30.75 to buy 3 plates of spring rolls and 1 plate of chicken tenders, so the equation for this group is:

3x + y = $30.75

The third group spent $22.25 on one of each appetizer, so the equation for this group is:

x + y + z = $22.25

Now that we have three equations, we can use algebraic techniques to solve for the value of x, which represents the cost of a plate of spring rolls.

First, we can solve the second equation for y:

y = $30.75 - 3x

Substituting this expression for y into the first equation, we get:

2($30.75 - 3x) + z = $23

Solving for x, we find that x = $7.75.

Therefore, the cost of a plate of spring rolls is $7.75, so the answer is A.

Answer:

A

Step-by-step explanation:

50 plus 50 is the easiest number to add so in the associative property you put the easiest problem in parentheses so you can do it first like answer A is

In the expression 43 + (60 + 40) we can use associative property to change the grouping option (D) is correct.

It is defined as the operation in which we do the addition of numbers, subtraction, multiplication, and division. It has a basic four operators that is +, -, ×, and ÷.

We have given mathematical expression

As we know,

In the associative property, we can change the group of the terms as:

(a + b) + c = a + (b + c)

In the expression (43 +60) + 40 we can use the associative property.

= 43 + (60 + 40)

= 43 + 100

= 143

Thus, in the expression 43 + (60 + 40) we can use associative property to change the grouping option (D) is correct.

Learn more about the arithmetic operation here:

brainly.com/question/20595275

#SPJ2

The equation of the plane is 7x + 5y + 2z = 91. (A(x - x1) + B(y - y1) + C(z - z1)) = 0 where (x1, y1, z1) is the point on the plane and (A, B, C) is the normal vector to the plane. The formula gives the equation of a plane as:

Ax + By + Cz = D , where (A, B, C) is a vector normal to the plane. In this case, we are given the point Po = (5,10,3) and the vector n = 7i + 5j +2k, which is normal to the plane. So, the equation of the plane is given by:

7(x - 5) + 5(y - 10) + 2(z - 3) = 0

Expanding the above equation gives us:

7x - 35 + 5y - 50 + 2z - 6 = 0

7x + 5y + 2z = 91

We are given a point Po = (5,10,3) and a normal vector n = 7i + 5j +2k. We aim to find the equation of the plane that passes through Po and has n as the normal vector. We know that a plane can be represented as:

Ax + By + Cz = D where (A, B, C) is the normal vector to the plane and D is a constant. Using the point-normal form of a plane, we get the equation of the plane :

(7x + 5y + 2z) - (7(5) + 5(10) + 2(3))

07x + 5y + 2z = 91

Hence, the equation of the plane is 7x + 5y + 2z = 91. Thus, we can find the equation of the plane when we are given a point on the plane and a normal vector. We use the point-normal form of the plane, which is given by:

(A(x - x1) + B(y - y1) + C(z - z1)) = 0 where (x1, y1, z1) is the point on the plane and (A, B, C) is the normal vector to the plane.

To know more about the equation of the planes, visit:

brainly.com/question/32163454

#SPJ11

Answer:

If Lan's monthly income is $1,000 and he wants to save the remaining amount, then the amount he plans to save is his income minus his expenses. Let's assume his expenses are x dollars per month. Then, his savings will be:

Savings = Income - Expenses

Savings = $1,000 - x

To find the percentage of his budget that will go towards savings, we need to divide his savings by his income and multiply by 100:

Percentage of budget for savings = (Savings / Income) x 100

Substituting the expression for savings, we get:

Percentage of budget for savings = (($1,000 - x) / $1,000) x 100

Simplifying this expression, we get:

Percentage of budget for savings = (100 - (x / $1,000))%

So the percentage of Lan's budget that will go towards savings depends on his expenses. For example, if he spends $800 per month, then his savings will be $200, and the percentage of his budget going towards savings will be:

Percentage of budget for savings = (($1,000 - $800) / $1,000) x 100

Percentage of budget for savings = (200 / $1,000) x 100

Percentage of budget for savings = 20%

Therefore, in this example, if Lan spends $800 per month, he will be able to save 20% of his monthly income.

Step-by-step explanation:

The equation of the parallel line to y = 2x - 1, that passes through (-3, 1) is: y = 2x + 7.

Two lines that are parallel to each other would always have the same slope (m). In the slope-intercept form of the equation that represents a line, y = mx + b, the slope of the line is represented as "m", while the y-intercept is represented as b.

Given:

A point (-3, 1)

Equation, y = 2x - 1. The slope (m) = 2. Since parallel lines have the same slope (m), therefore, the line that passes through (-3, 1) also have a slope (m) = 2.

Substitute (x, y) = (-3, 1) and m = 2 into y = mx + b:

1 = 2(-3) + b

1 = -6 + b

1 + 6 = b

b = 7

To write the equation of the parallel line to y = 2x - 1, substitute m = 2 and b = 7 into y = mx + b:

y = 2x + 7.

Learn more about equation of a line on:

https://brainly.com/question/13763238

#SPJ1

The ability to order items in a sequence, such as longest to shortest, is known as Seriation.

Seriation is a cognitive skill that involves arranging objects, events, or ideas in a particular order or sequence. It is a crucial aspect of cognitive development and is typically acquired during early childhood. Seriation is the ability to mentally order objects along a quantitative dimension, such as size, weight, or length.

Seriation involves comparing and ordering items based on specific criteria. For example, if given a group of objects of different lengths, a child who has developed seriation skills will be able to arrange the objects in order from shortest to longest. Similarly, if given a group of numbers, a child who has developed seriation skills will be able to arrange them in order from smallest to largest.

Seriation is an important cognitive skill that is used in various areas of life, including academic, professional, and personal domains. It allows individuals to organize information and ideas in a logical and meaningful way, which can facilitate more efficient processing and understanding of complex concepts.

Overall, seriation is a fundamental cognitive skill that plays a crucial role in various aspects of life, including problem-solving, decision-making, and organization. It is an essential skill that supports the development of higher-order thinking skills, such as analysis, evaluation, and synthesis.

To learn more about seriation refer below

https://brainly.com/question/13762666

#SPJ11

A line segment whose endpoint are on the circle is called a __________ of a circle.

Chord

Radius

Tangent

Diameter

Answer: Chord

(a) The margin of error would be approximately 2.1 percent.

(b) The 99 percent confidence interval for the true proportion is 41.5 percent to 46.5 percent.

(c) It is possible that the percentage of all voters who approve of the president's performance is 50 percent, but we cannot conclude this with certainty from the given information.

(a) Assuming a 95% confidence level and a proportion of 0.5 (worst-case scenario), the margin of error can be estimated as:

Margin of error = 1.96 * sqrt[(p * (1 - p)) / n]

where p is the proportion (0.5) and n is the sample size (2,277).

Plugging in the values, we get:

Margin of error = 1.96 * sqrt[(0.5 * 0.5) / 2,277] ≈ 0.020 or 2.0%

Therefore, the approximate margin of error for the approval rating estimate is 2.0%.

(b) To construct a 99% confidence interval for the true proportion, we can use the formula:

CI = p ± z*sqrt[(p * (1 - p)) / n]

where p is the sample proportion (0.44), n is the sample size (2,277), and z is the critical value for a 99% confidence level, which can be obtained from a standard normal distribution table or calculator. The value of z is approximately 2.58.

Plugging in the values, we get:

CI = 0.44 ± 2.58*sqrt[(0.44 * 0.56) / 2,277]

CI = 0.44 ± 0.032

CI = (0.408, 0.472)

Therefore, we can say with 99% confidence that the true proportion of voters who approve the president's performance lies between 40.8% and 47.2%.

(c) Since the 99% confidence interval does not include 50%, we can say that it is unlikely that the true proportion of voters who approve of the president's performance is 50%. However, we cannot rule out the possibility completely since the confidence interval is an estimate and there is still some level of uncertainty involved.

Learn more about interval

https://brainly.com/question/30486507

#SPJ4

According to using the arithmetic operations the total yards of metal is needed =  4(1/4).

The study and application of numbers in all other branches of mathematics is the focus of the branch of mathematics known as arithmetic operations. In essence, it consists of addition, subtraction, multiplication, and division operations.

There are several laws that control the order in which you do operations in math and algebra. The three that receive the most focus are the distributive, associative, and commutative laws. Over time, people have come to realize that the order of the numbers is irrelevant when adding or multiplying.

First pieces of metal =  1 *(1/6)

                                  = 7/6

Second pieces of metal = 3/12

Adding both the pieces :

=7/6 + 3/12

= (14 + 3)12

= 17/12.

now,

multiply that by 3.

We get:

= (17/12)*3

= 17/4

= 4(1/4)

According to using the arithmetic operations the total yards of metal is needed = = 4(1/4).

To know more about arithmetic operations visit:

https://brainly.com/question/20595275

#SPJ4

Question 1: The item not included in the cost of merchandise inventory is "Purchase discounts."

2: The total cost of the merchandise is $3,332.00.

5: The company's gross margin and operating expenses, are $211,000 and $191,720.

Merchandise inventory expenses normally consist of the price paid for the inventory, deductions from the purchase price resulting from purchase returns and allowances, and freight expenses paid by the purchaser.

Although purchase discounts reduce the cost of merchandise inventory, they are not considered part of it. Instead, they are treated as a distinct discount in the accounting records.

Learn more about merchandise inventory from

https://brainly.com/question/27046371

#SPJ1

Answer: \(e=-50|t-40|+2000\)

The cable car’s elevation will be 750 feet after 15 minutes or 65 minutes.

Step-by-step explanation:

Given: A cable car begins its trip by moving up a hill. As it moves up, it gains elevation at a constant rate of 50 feet/minute until it reaches the peak at 2,000 feet.

Then, total time taken to reach the peak = (Distance) ÷ (speed)

= (2,000 feet) ÷ ( 50 feet/minute)

= 40 minutes

Then, as the car moves down to the hill’s base, its elevation drops at the same rate.

The equation that models the cable car’s elevation, e, after t minutes is

e= (constant rate)|t- time to reach peak |+ Peak's height

\(e=-50|t-40|+2000\)

When the cable car’s elevation will be 750 feet after minutes, then we have

\(750=-50|t-40|+2000\\\\\Rightarrow\ -50|t-40|=750-2000\\\\\Rightarrow\ -50|t-40|=1250\\\\\Rightarrow|t-40|=-\dfrac{1250}{50}\\\\\Rightarrow|t-40|=-25\\\\\Rightarrow t-40=-25\text{ or }t-40=25\\\\\Rightarrow t=-25+40\text{ or }t=25+40\\\\\Rightarrow t=15\text{ or }t=65\)

Time cannot be negative, so the cable car’s elevation will be 750 feet after 15 minutes or 65 minutes.

Answer: 116%

Hope this helps.