MATHEMATICS HIGH SCHOOL

I'd seriously appreciate it if anyone could help ASAP! I'm giving Brainliest!The point (-6, y) lies on the graph of the equation: 5y=2x−4.

What is the value of y?


-(5)/(16)

(5)/(16)

(16)/(5)

-(16)/(5)


I believe it is (5)/(16) but I'm not sure.

Answers

Answer 1
Answer:

Answer:

- 16/5

Step-by-step explanation:

We have point with coordinates (-6, y) which lies ( or belong) on the graph of the straight line 5y=2x-4

When we replace x= -6 in given equation we get 5y = 2·(-6)-4 => 5y= -12-4 =>

5y= - 16 => y= - 16/5

Good luck!!!

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Find the exact volume of the sphere use alt +227 or pi for pi as needed

Answers

Answer: The volume of the sphere is 113.04 in^3

Step-by-step explanation:

For a sphere of radius R, the volume is written as:

V = (4/3)*pi*R^3

where pi = 3.14159265...

We can use pi = 3.14

Here we can see that the radius of the sphere is 3 inches, then the volume of the sphere is:

V = (4/3)*3.14*(3 in)^3 = 113.04 in^3

How do I solve this -4y+x=-27

Answers

First you have to know what a "solution" is.

The 'solution' is a set of 2 numbers which, if you put them into the equation
in place of 'x' and 'y', make the equation a true statement. 

There are an infinite number of possible pairs of numbers that can do that. 
Here are a few:

x = 0, y = 6.75 
x = 1, y = 7
x = 2, y = 7.25
x = 3, y = 7.5
x = 4, y = 7.75
x = 10, y = 9.25
x= 100, y = 31.75
x= -50, y = -5.75

When you graph this equation, the graph is a straight line without any ends.
Every point on the line is a solution to the equation, and you know how many
points there are on a line without ends . . . . .



According x variable;

-4y+x=-27\n \n \boxed{x=4y+27}

According y variable:

-4y+x=-27\n \n -4y=-27-x\n \n \boxed{y=(-27-x)/(-4)}

What is the solution of StartRoot x squared + 49 EndRoot = x + 5?

Answers

Answer:

2.4

Step-by-step explanation:

  • √(x² +49) = x + 5
  • (√(x² +49) )²= (x + 5)²       ⇒  square of both sides
  • x² + 49 = x² + 10x + 25     ⇒  simplifying, x² get cancelled
  • 10x = 49 -25
  • 10x = 24
  • x= 24/10
  • x= 2.4

Answer is  2.4

Answer:

12/5

Step-by-step explanation:

What is the value of 3 to the power 2 over 3 to the power 4? A. 1 over 81 B. 1 over 27 C. 1 over 9 D. 1 over 3

Answers

Answer:

Option C is correct.

Step-by-step explanation:

Given Expression:

(3^2)/(3^4)

We need to find Value of given expression.

Consider,

(3^2)/(3^4)

\implies3^(2-4)

\implies3^(-2)

\implies(1)/(9)

Therefore, Option C is correct.
One way you could solve this is to just multiply the top and bottom out so that you get 9/81, reducing it by 9/9 to get 1/9 or option C.
Another way would be to do 3^((2-4)) since dividing numbers with exponents would be subtracting the bottom exponent from the top exponent, provided that the base number (in this case 3) is the same for both. For this method, you would get 3^(-2), which is equal to 1/9 or .1 repeating, the same answer that you'd get with the first method.

Kyla applied rm ◦ T0,3 to triangle ABC. What mistakes did she make? Check all that apply.She applied the rotation to the triangle first.
She applied the reflection to the triangle first.
She changed the size of the triangle instead of just applying a translation.
She translated the triangle down instead of just applying a reflection.
She applied a rotation instead of a reflection

Answers

Answer: she applied the reflection to the triangle first

&

she changed the size of the triangle instead of just applying a translation.

Step-by-step explanation:

Answer:

B & C

Step-by-step explanation:

You have been contracted to replace a countertop in a kitchen. You will get paid $1,000 to do the job. You can complete the job in three days working 8 hours a day. You will need to pay the cost of the materials, which is $525, with the $1,000 that you receive to do the job. How much will you be paid per hour for your time?

Answers

Answer:

$19.79 cents (rounded to the nearest cent)

Step-by-step explanation:

first subtract the amount needed for materials from your total pay

(1000 - 525 = 475)

take 475 and divide that among the hours you work.

475 / 24 = 19.7916666

round that number to the closest money value

19.79
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