Suppose y varies directly with x , and y-15 when x-3 . What is y when x=12 ?

Answers

Answer 1

If y varies directly with x , and y-15 when x-3, y is 60 when x is equal to 12.

How to solve an equation?

To solve linear equations, utilize the steps that are provided below.

Remove parentheses from each side of the equation and combine similar terms to make it simpler.To separate the variable term on one side of the equation, use addition or subtraction.To find the variable, use division or multiplication.The common denominator can be multiplied by each side of the equation to eliminate fractions.

Lets take an example of solve z for 7z – (3z – 4) = 12

Here is no multiplication or division, so this will be easy to solve

⇒ 7z – (3z – 4) = 12

⇒ 7z – 3z + 4 = 12

⇒ 4z = 12 – 4

⇒ 4z = 8

⇒ z = 8/4

⇒ z = 2

See, that was so simple, using the mentioned methods, every linear equation can be solved easily.

y = kx            (Where k is the constant)

Here, we have given

15 = k3

k = 15/3

  = 5

So, y = 5x

When x = 12,

y = 5(12)

  = 60

 

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Correct question

Suppose y varies directly with x, and y = 15 when x = 3. What is y when x = 12?


Related Questions

Multiply the numbers.

Answers

The result of multiplying the numbers 234 x 0.35 is 81.9

How to multiply the numbers?

The numbers are given as:

234 and 0.35

Express the numbers in a product expression

So, we have

234 x 0.35

Express 234 as 200 + 34

So, we have

234 x 0.35 = (200 + 34) x 0.35

Expand the bracket

So, we have

234 x 0.35 = 200 x 0.35 + 34 x 0.35

Evaluate the product

So, we have

234 x 0.35 = 70 + 11.9

Evaluate the sum

So, we have

234 x 0.35 = 81.9

Hence, the result of multiplying the numbers 234 x 0.35 is 81.9

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Solve for y in terms of x
5x+y=31

Answers

Solving for y in terms of x gives y = 31 - 5x

What is the subject of formula?

The subject of a formula is defined as the variable that is expressed in terms of the other variables in an equation or given expression.

It is also described as the variable that is being worked out in a given equation.

Given the equation;

5x +y = 31

Let's make 'y' the subject

We have to make 'y' stand alone by taking the other variables or terms over the equality sign, we have

y = 31 - 5x

Thus, solving for y in terms of x gives y = 31 - 5x

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How much money will you have if you invest $2200 at 2%/a compounding annually for 30 years?

Answers

Answer:

$3,985.00

Step-by-step explanation:

The formula for the amount accrued, A if you invest an amount P at r% compounded annually for n years is given by the formula

[tex]A = P\left(1 + \dfrac{r}{100}\right)^n[/tex][tex]A = P\left(1 + \dfrac{2}{100}\right)^{30} \\\\= P\left(1 + 0.02\right)^{30} \\\\= P\left(1 .02\right)^{30} \\\\= \; \$3,985.00[/tex]

The division by 100 is necessary to allow r% to be reduced to a decimal

So using this formula directly by substituting values gives

Suppose a local office store has a press that can print 54,000 brochures per hour. How many brochures can be printed during a 3 1 4 hour run?

Answers

Answer:

Step-by-step explanation:

Rate: 54000 brochures per hour

Formula: D=RT   Distance=Rate x Time (In this case distance is the amount)
(I’m not sure if you meant to type 3 1/4 or 314. I’ll include both)
D=54,000(3 1/4)

Two ways

1. 54,000(3 1/4)=175,500

2. 54,000x3 is 162,000, and 1/4 of 54,000 is 54,000/4=13,500. 162,000+13,500=175,500.


(54,000 x 314 = 16,956,000)

Hope this helps!


What is the sum of the finite geometric series?

a. -15+30-60+120-240+480

Answers

What is the sum of the finite geometric series?

a. -15+30-60+120-240+480= 315

Given:

a=-15

r= -2

n=6

[tex]S_n=\frac{a(1-r^{n})}{1-r} \\\\S_6=\frac{-15(1-(-2)^{6})}{1+2}\\\\S_6=\frac{-15(1-64)}{3}\\\\S_6=\frac{-15(-63)}{3}\\\\S_6=5*63=315[/tex]

What is a finite geometric series?

A geometric series is a series with a geometrically connected progression.A geometric series is a list of numbers where each number, or term, is found by multiplying the preceding term by a common ratio r.Because there are only a finite number of terms, we refer to this geometric series as a finite geometric series (an infinite geometric series continues on forever.)

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Given f(x)= 3(2−x), what is the value of f(−4)?

Answers

The value of f(-4) is 18 because

3(2+4)

6+12=18


Determine whether the quadrilateral can always, sometimes, or never be inscribed in a circle. Explain your reasoning.
square

Answers

A quadrilateral (square) may always be used to create a square in a circle. Because squares have right angles at each vertex, every pair of opposing angles in a square is complementary and inscribed in a circle. This is an unavoidable characteristic of squares.

If the form in question is a square, each pair of adjoining angles is supplementary and inscribed in a circle. This is owing to the presence of right angles at each vertex of the square. This means that the assertion can never be proven false.

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Which statements prove that m || n?

Answers

Answer:

The first 2 and the 2nd to last equations

Step-by-step explanation:

Angles 8 and 10 are alternate interiors, which would only work if m and n are parallel.

Angles 1 and 9 are congruent angles, which would only work if m and n are parallel.

Angle 1 and 3 are on the same line, so that can't prove it.

m8 and m9 could only add up to 180 if m and n are parallel, which makes this also true.

Angles 7 and 10 add up to 180, but can't be congruent.

4,000 is blank times much as 4

Answers

Answer: 1000

Step-by-step explanation:

4000/4

Answer:

1000

Step-by-step explanation:

blank can be written as x. since this is a multiplication problem we need to the opposite of multiplying, which is dividing. rewrite the problem as 4000/4=x

solve by dividing 4000 by 4 to get 1000

The vasquez family visits their grandmother every 3 weeks and hosts a neighborhood party every 8 weeks. every 16th week, the vasquez family takes a day to go hiking. a. after how many weeks will the vasquez family both visit their grandmother and host the neighbor hood party? b. after how many weeks will all three events occur?

Answers

Using least common multiple (LCM), the Vasquez family both visit their grandmother and host the neighbor hood party after 24 weeks. After 48 weeks, all three events will occur at the same time.

A common multiple is defined as a whole number, that is a shared multiple of each set of numbers. The least common multiple (LCM) of two integers is the smallest positive integer that is divisible by both numbers.

If the Vasquez family visit their grandmother every 3 weeks and host a neighbor hood party every 8 weeks, to know when will these event will occur at the same time, solve for the LCM of 3 and 8.

3 : 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, . . .

8 : 8, 16, 24, 32, 40, . . .

LCM = 24

Hence, after 24 weeks, both will occur at the same time.

To know when will the three events will occur at the same time, solve for their LCM.

3 : 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, . . .

8 : 8, 16, 24, 32, 40, 48, . . .

16 : 16, 32, 48, . . .

LCM = 48

Hence, after 48 weeks, all three events will occur at the same time.

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Which equation below combines with the equation -4 x+6 y=3 to form a system with an infinite number of solutions?
A. 0.5+x=1.5 y
B. 0.75+2 x=1.5 y
C. 0.5+2 x=1.5 y
D. 0.75+x=1.5 y

Answers

To form a system with an infinite number of solutions, the equation -4x + 6y = 3 must be combined with D. 0.75 + x = 1.5 y.

A system of equations is a set of two or more equations which includes common variables.

To form a system with an infinite number of solutions, the lines should be the same or overlapping. These lines must have the same slope and y-intercept. The equations of these lines must be the multiple of one another.

Given the equation -4x + 6y = 3, rewrite this in the form c + ax = by(same as the form of the choices).

-4x + 6y = 3   ⇒   3 + 4x = 6y

To make 6y into 1.5y, divide both sides by 4.

3 + 4x = 6y   ⇒   0.75 + x = 1.5 y

Hence, the equation -4x + 6y = 3 must be combined with 0.75 + x = 1.5 y to form a system with an infinite number of solutions.

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y^2/3 - 5y^1/3 +6=0 ​

Answers

Answer:

Solution on Screen

Step-by-step explanation:

It's okay don't worry

(12+6) divided by 3 squared simplified :p

Answers

Answer:

The answer is 36

Step-by-step explanation:

12+6=18

18/3=6

6 squared is 36

36 simplified is still 36

Eddie used 9.6 cups of flour to bake 3 cakes. How much flour, on average, did he put in each cake?

Answers

Answer: i believe its 3.2 cups per cake

Step-by-step explanation:

9.6 / 3 = 3.2

The measures of two vertical angles are 5y + 10 and 2y + 16. Find the measure of both angles.

Answers

Answer:

20

Step-by-step explanation:

We know that two vertical angles are equal to each other.

Then

First, We have to solve the equation 5y + 10 = 2y + 16  for y.

After that ,we can easily find the measure of the angles by substituting y by its value in their expression.

SOLVING THE EQUATION :

5y + 10 = 2y + 16

⇔ 5y - 2y = 16 - 10

⇔ 3y = 6

⇔ y = 2

Determining the measure of the angles :

angle 1 → 5(2) + 10 = 20

angle 2 → 2(2) + 16 = 20


Find the distance between each pair of parallel lines with the given equations.
y=-2 x+1 y=-2 x+16

Answers

The distance between each pair of parallel lines with the given equations y = -2x+1 and y = -2x+16 is 15 units.

We can find the points passing through the lines.

Hence,

The points passing through the line y = x - 11  are:-

Let x = 0

y = -2(0) +1

(0,1)

and;

Let x = 1/2

y = -2(1/2) + 1 = -1 +1

(-1/2,0)

The points passing through the line y = -2x + 16 are:-

Let x = 0

y = -2(0) + 16 =16

(0,16)

and;

Let x = 8

y = -2(8) + 16 = -16 + 16

(8,0)

Hence, using distance formula, the distance between the parallel lines will be:-

[tex]\sqrt{(16-1)^2+(0-0)^2} = \sqrt{15^2+0}=\sqrt{225} = 15[/tex] units.

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What types of things have you measured before?

Answers

Answer:

1. Room size (length * width) for carpet

2. From window top to floor for curtains

Step-by-step explanation:


State the property that justifies each statement.
If x/2=7 , then x=14 .

Answers

According to the given data  the property justifies statement is: Multiplication Property of Equality.

What is the Equality Multiplication Property?

According to the Multiplication Property for Equations, an equation can be multiplied as well as divided by the exact number upon every of the equation's sides without changing the solution.

How do you demonstrate equality's multiplication property?

If a = b, then a/c = b/c where c is greater than zero. In other words, if two expressions are equal and subsequently multiply or divide (except for 0) the same constant by both, the two sides will remain equal.

According to the data:

x/2=7

x = 14

Multiplication Property of Equality is :

If a = b,

Multiply constant on both sides.

a * c = b * c

so ,

in the given sum x/2 = 7

multiplying this equation by 2 * x/2 = 7 * 2

                                                                                       = x = 14

According to the given data  the property justifies statement is: Multiplication Property of Equality.

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the sum of 12 and twice y

Answers

Answer:12+2y

Step-by-step explanation:

Answer:

12 + 2y

Hope this helps :)

Step-by-step explanation:

When it says "sum," this means the answer to 2 numbers you add. The first number would be 12, and the other number will be y 2 times. So y plus y equals 2y. The final equation is 12 + 2y.

1 Use the number line to find the coordinate of the midpoint of JP. K L M + -7-6-5-4-3-2-1 0 1 2 3 4 5 6 N P​

Answers

The coordinate of the midpoint of JP is -1

How to find the coordinate of the midpoint of JP?

On the number line, we have the following coordinates

J = -7

P = 5

The coordinate of the midpoint of JP is calculated using

Midpoint = 1/2 * (J + P)

This gives

Midpoint = 1/2 * (-7 + 5)

Evaluate the sum

Midpoint = 1/2 * -2

Evaluate the product

Midpoint = -1

Hence, the coordinate of the midpoint of JP is -1

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what is multiples of 30 and 45?

Answers

It’s 1,3, and 5 I think

2(3+6)+6-2=?
Solve the problem step by step

Answers

Answer:

13

Step-by-step explanation:

first use PEMDAS= P= Parentheses E= Exponents M= Multiplication D= Division A= Addiction S= Subtraction.

(3+6)+6-2=

9+6-2=

15-2=

13

Add 3+6 which is 9

Add 3+6 which is 9then add 9+6 equal to 15

Add 3+6 which is 9then add 9+6 equal to 15finally subtract 2 from 15

Add 3+6 which is 9then add 9+6 equal to 15finally subtract 2 from 15boom that's how you do it

Answer:

22

Step-by-step explanation:

Use Pemdas

P means parenthesis so add the numbers in the parenthesis

3 + 6 = 9

2(9) + 6 - 2 =

Next is E, but there are no exponents so now there is M

multiply 2 times 9, you will get 18.

18 + 6 - 2 =

So next is A which is addition, add 18 + 6

18 + 6 = 24.

24 - 2

And lastly, S which is subtraction.

24 - 2 = 22

So the answer is 22

14. In science class, students weighed different
amounts of clay. Miguel's weighed
4.361 ounces, Kim's weighed 2.704 ounces,
Simon's weighed 5.295 ounces, and
Victoria's weighed 8.537 ounces.
A. How many ounces of clay did Miguel
and Victoria have in all?
B. How many ounces of clay did Kim and
Simon have in all?

Answers

Answer:

A:12.898

B:7.999

Step-by-step explanation:

A: 4.361+8.537

B:2.704+5.295


Determine whether the given measures define 0,1,2 , or infinitely many triangles. Justify your answers.
a=5, b=9, c=6

Answers

When only three sides are provided without any information regarding the angle, such as a = 5 m and b = 9 m, c = 6m we can either create no triangle or create an unique triangle. Hence, either 0 or 1 Triangle.

For example :

How many different triangles may be formed with side lengths of 5m,9m and 6 m ?

Create a triangle with the following measurements: 5 meters, 9 meters , and 6meters, by protractor-adjusted to the given length of sides. You have constructed a triangle.

We can only create one triangle here, as no choice can be made in the given length of side as they are prefixed.

This implies that you cannot chose the side length independently. So, only one triangle which is unique will be formed. Hence, 0 or 1 triangle is formed

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Help wanted! Im I’m desperate need of assistance!

Answers

Answer:

-2/5

Step-by-step explanation:

Hi there!

We find slope by using rise over run.

For this problem, identify two points on the line. I'll use (0, 3) and (5, 1).

[tex] m = \frac{{y} - {y} }{ {x} - {x}}[/tex]

You can plug the coordinates into this formula, making sure they stay in the right order. Subtract the first y coordinate from the second y coordinate, and the first x coordinate from the second x coordinate. (Just make sure one point is on the left, and the other on the right).

[tex] \frac{3 - 1}{0 - 5} = \frac{2}{ - 5} [/tex]

2/-5 is the same as -2/5, so that is your answer

what is the area of the triangle below

Answers

The area of triangle is 12 square units.

What is the triangle?

Triangle is a polygon that has three sides and three angles. The sum of the angle of the triangle is 180 degrees.

Given:

The given points are

A=(1,2)

B=(1,8)

C=(5,2)

According to given question we have

By the use of distance formula , we get

[tex]AC=\sqrt{(x_{2}-x_{1})^{2} +(y_{2}-y_{1})^{2} } \\\\AC=\sqrt{(5-1)^{2} +(2-2)^{2} }\\\\AC=\sqrt{(4)^{2} +(0)^{2} }\\\\AC=4 units\\\\\\AB=\sqrt{(x_{2}-x_{1})^{2} +(y_{2}-y_{1})^{2} } \\\\AB=\sqrt{(1-1)^{2} +(8-2)^{2} }\\\\AB=\sqrt{(0)^{2} +(6)^{2} }\\\\AB= 6 units[/tex]

Area of right triangle(A) is given by:

[tex]Area =\frac{1}{2} base *height[/tex]

where,

base of the triangle =4 units

height of the triangle =6 units.

[tex]Area =\frac{1}{2} base *height\\\\Area =\frac{1}{2}* 4 *6\\\\Area =12 square units[/tex]

Therefore, the area of triangle is 12 square units.

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Which of the following defines workplace politics?
O Choices made according to law
O Beliefs of a person or social group in which they have an emotional investment
O Games played in a workplace environment to achieve status, advancement and money
O Professional standards of conduct, based on moral principles and values, guilding decision-making and actions

Answers

Answer:

"Games played in a workplace environment to achieve status, advancement and money"

Solve $2+\frac{1}{6}y=3x+4$

Answers

Answer:

[tex]y=18x+ 12[/tex]

Step-by-step explanation:

Given equation:

[tex]2+\dfrac{1}{6}y=3x+4[/tex]

Solve for y

Subtract 2 from both sides:

[tex]\implies 2+\dfrac{1}{6}y-2=3x+4-2[/tex]

[tex]\implies \dfrac{1}{6}y=3x+2[/tex]

Multiply both sides by 6:

[tex]\implies 6 \cdot \dfrac{1}{6}y= 6 \cdot3x+ 6 \cdot2[/tex]

[tex]\implies y=18x+ 12[/tex]

with the steps as well please

Answers

Answer:

Step-by-step explanation:

(i)

[tex]2.014^2-2.012^2=\\(2.014+2.012)(2.014-2.012)=\\4.026*0.002=\\0.008052=\\8.052*10^{-3}[/tex]

(ii)

[tex]12^3+8^3=\\(12+8)(12^2-(12)(8)+8^2)=\\20*(144-96+64)=\\20*112=\\2240[/tex]

(iii)

[tex]9^3-5^3=\\(9-5)(9^2+(9)(5)+5^2)=\\4*(81+45+25)=\\4*151=\\604[/tex]

If h(x)=|1-7x|, find each value… 23-h(9)

Answers

Answer:

-41

Step-by-step explanation:

h(x) = | 1-7x

First, calculate the value for the function for x = -9

h(-9) = |1--7x|

h(-9) = |1+63|

h(-9) = |64|

h(-9) = 64

23-h(-9) = 23-64 = -41

Hope this helps ;0

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