MATHEMATICS HIGH SCHOOL

What is the answer to the problem
7 1/5-6 2/3=

Answers

Answer 1
Answer: 7 18/15-2 10/15=4 8/15
Answer 2
Answer: 7 1/5 - 6 2/3
Make both fractions have the same denominator
7 3/15 - 6 10/15
Make both mixed numbers into improper fractions
108/15 - 100/15
Subtract the numerator but NOT the denominator
Final Answer: 8/15

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What times what equals 31

Answers

Can it be a decimal? Only one I can think of is 1 X 31
Because 31 is a prime number, 31 only has 2 factors, which are 1 and itself.

Therefore, 1* 31= 31~

There are many cylinders with a height of 9inches. Let r represent the radius in inches and v represent the volume in cubic inches what belongs in cell A

Answers

Complete question :

There are many cylinders with a height of 9 inches. Let r represent the radius in inches and V represent the volume in cubic inches.

a. Complete the table relating the radius and volume of cylinders with height 9 inches. Write each volume as a multiple of , or round to the nearest cubic inch.

Answer:

A = 9π in³

B = 36π in³

C = 81π in³

Step-by-step explanation:

Radius, r = 1, 2, 3

Height of cylinder = 9

Volume, V of cylinder : πr²h

For, r = 1

V = π(1)²9 = 9π in³

For, r = 2

V = π(2)²9 = 4*9π in³ = 36π in³

For r = 3

V = π(3)²9 = 9*9π in³ = 81π in³

Slope interceptand standard Form of y - 4 = 3/4(x + 3)

Answers

Answer:

y= 3/4z + 25/4

Step-by-step explanation:

Solve simultaneous equation
2x + 4y = 1
3x-5y=7

Answers

\left \{ {{2x+4y=1\ \ | *(-3)} \atop {3x-5y=7\ \ | *2}} \right. \n\n \left \{ {{-6x-12y=-3} \atop {6x-10y=14}} \right.\n+----\nadd\ both\ equations\n\n-22y=11\ \ \ | divide\ by\ -22\n\ny=-(1)/(2)\n\n2x=1-4y\ \ | divide\ by\ 2\n\nx=(1-4y)/(2)=(1-4*(-(1)/(2)))/(2) =(3)/(2)

Final answer:

To solve the simultaneous equations 2x + 4y = 1 and 3x - 5y = 7, we can use the elimination method. Multiply the equations to make the coefficients of x equal, subtract the equations, solve for y, and substitute the value of y in one of the original equations to find x. The solution is x = 3/2 and y = -11/22.

Explanation:

To solve the simultaneous equations:

2x + 4y = 1

3x - 5y = 7

We can use the method of substitution or elimination. Let's use the elimination method.

  1. Multiply the first equation by 3 and the second equation by 2 to make the coefficients of x in each equation the same.
  2. Now, subtract the equations:

(6x + 12y) - (6x - 10y) = 3 - 14

22y = -11

Divide both sides by 22 to solve for y:

y = -11/22

Substitute the value of y in one of the original equations to solve for x:

2x + 4(-11/22) = 1

2x - 2 = 1

2x = 3

x = 3/2

Therefore, the solution to the simultaneous equations is x = 3/2 and y = -11/22.

Learn more about Simultaneous equations here:

brainly.com/question/30319215

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How many small cubes are needed to completely fill the rectangular prism?

Answers

Do you have the volume of the rectangular prism? Or maybe just the side lengths?

How to solve parabola

Answers

standard form: ax^2+bx+c

vertex form: a(x-h)^2+k
i hate parabolas. i can't remember the equation. sorry.
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