AYO 100 POINTS!!! Identify the equation for the graph! (polynomials)

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Answer 1

Answer:

Answer:

so bro according to my calculations it's b good luck

just put it to slope or standard form

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One number is 3 times a first number. A third number is 100 more than the first number. If the sum of the three numbers is 215, find the numbers.

Answers

Answer:

23, 69 and 123

Step-by-step explanation:

let the first number be x then the second number is 3x ( 3 times the first) and the third number is x + 100 ( 100 more than the first number)

The sum of the three numbers is

x + 3x + x + 100 = 215

5x + 100 = 215 ( subtract 100 from both sides )

5x = 115 ( divide both sides by 5 )

x = 23

The 3 numbers are

x = 23, 3x = 3 × 23 = 69 and x + 100 = 23 + 100 = 123

I need help with this question ( see image).
Please show workings.

Answers

Answer:

2.50 out of 15 is:

2.50/15*100% = 16.67%

Salary = 9600
Increase = 1680

Percent increase:

1680/9600*100% = 17.5%

Help please I need this done like right now

Answers

Answer:

$\left(\begin{array}{c}-24\n20\end{array}\right)$

Step-by-step explanation:

Given vectors:

$\textbf{a}=\left(\begin{array}{c}-9\n7\end{array}\right)\n\n\n \textbf{b}=\left(\begin{array}{c}12\n-20\end{array}\right)\n\n\n\textbf{c}=\left(\begin{array}{c}0\n-16\end{array}\right)$

$\textsf{To calculate}\;\;3\textbf{a}-(1)/(4)(\textbf{c}-\textbf{b}),\;\;\textsf{substitute the given vectors into the expression:}$

$3\left(\begin{array}{c}-9\n7\end{array}\right)-(1)/(4)\left(\begin{array}{ccc}0&-&12\n-16&-&(-20)\end{array}\right)$

When subtracting vectors, we subtract the elements in the same position from one vector from the elements in the same position of the other vector. Therefore, subtracting vector b from vector c gives:

$3\left(\begin{array}{c}-9\n7\end{array}\right)-(1)/(4)\left(\begin{array}{c}-12\n4\end{array}\right)$

When multiplying a vector by a constant, we multiply each component of the vector by that constant. Therefore, multiplying vector a by 3 gives:

$\left(\begin{array}{c}3\cdot(-9)\n3\cdot 7\end{array}\right)-(1)/(4)\left(\begin{array}{c}-12\n4\end{array}\right)$

$\left(\begin{array}{c}-27\n21\end{array}\right)-(1)/(4)\left(\begin{array}{c}-12\n4\end{array}\right)$

Multiply (c - b) by 1/4:

$\left(\begin{array}{c}-27\n21\end{array}\right)-\left(\begin{array}{c}-12\cdot (1)/(4)\n4\cdot (1)/(4)\end{array}\right)$

$\left(\begin{array}{c}-27\n21\end{array}\right)-\left(\begin{array}{c}-3\n1\end{array}\right)$

Finally, subtract the vectors:

$\left(\begin{array}{ccc}-27&-&(-3)\n21&-&1\end{array}\right)$

$\left(\begin{array}{c}-24\n20\end{array}\right)$

$\textsf{So,}\;\;3\textbf{a}-(1)/(4)(\textbf{c}-\textbf{b})\;\;\textsf{is equal to}\;\;\left(\begin{array}{c}-24\n20\end{array}\right).$

A rectangular room is 6 yards long an 12 feet wide. Find the perimeter in feet. Then find the perimeter in yards.

Answers

i believe for the perimeter for ft. it is 60 and for yards it is 20 not sure if right though :)

1 yard = 3 feet

thus, (6)(3)(2) + (2)(12) = 60 feet.

Thus the perimeter in feet would be 60 feet.

as 1 yard = 3 feet,

the perimeter in yard would be 60/3 = 20 yards

A van travels 300 miles on 15 gallons of gas. Find how many gallons the van needs to travel 360 miles.

Answers

Answer: The Van needs 18 gallons of gas to travel 360 miles.

Step-by-step explanation: Given that a Van travels 300 miles on 15 gallons of gas.

We are to find the number of gallons that the Van needs to travel 360 miles.

We will be using the UNITARY method to solve the given problem.

Number of gallons needed to travel 300 miles = 15.

So, number of gallons needed to travel 1 mile will be

$(15)/(300)=(1)/(20).$

Therefore, the number of gallons needed to travel 360 miles is given by

$(1)/(20)* 360=18.$

Thus, the Van needs 18 gallons of gas to travel 360 miles.

Amount of gas required to travel $360\text{ miles}$ is $\boxed{\bf 18\text{\bf\ gallons}}$ .

Further explanation:

The word problems can be solved from the unitary method.

The unitary method is a method in which we have to first find the value of a single unit then further find the required value by multiplying the single unit value.

Given:

A van travelled $300\text{ miles}$ on $15\text{ gallon}$ of gas.

Calculation:

Step 1:

First we have to find the number of gallons in one mile.

It is given that the number of gallons needed to travel $300\text{ miles}$ is equal to $15\text{ gallon}$ .

Use the unitary method to calculate the number of gallons in one mile.

It is calculated as follows:

$\begin{aligned}\text{Number of gallon}&=(15)/(300)\n&=(1)/(20)\end{aligned}$

Step 2:

Now, we have to calculate the number of gallons needed to travel in $360\text{ miles}$ .

Use the unitary method to calculate the required value by multiplying the single unit value.

The number of gallons in one mile is $(1)/(20)$ .

Therefore, the number of gallons in $360\text{ miles}$ is calculated as follow:

$\begin{aligned}\text{Number of gallon}&=(1)/(20)\cdot 360\n&=18\end{aligned}$

Thus, the Van requires $\boxed{\bf 18\text{\bf\ gallons}}$ of gas to travel $360\text{ miles}$ .

Learn more:

1) Learn more about magnitude of the acceleration of the speeding phase brainly.com/question/1597065

2) Learn more about Algebraic expression for the word phrase isbrainly.com/question/1600376

3) Learn more about to solve the equations for the variable brainly.com/question/1682776

Answer details:

Grade: Junior school

Subject: Mathematics

Topic: Unitary method

Keywords: Van, gallons of gases, miles, travels, number of gallons, unitary method, multiply, single unit, linear equation, distance, equation.

Which equation represents a line that is perpendicular to the line whose equation is y = 4x + 12?y = 4x + 4
y = -4x + 7
y = (-1/4x) + 1
y = (1/4x) + 9

Answers

Hello,
slope perpendicular of 4 is -1/4

Answer C

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