MATHEMATICS HIGH SCHOOL

What is the unit rate if 12 pairs of socks sell for 5.79?

Answers

Answer 1
Answer: Each one is about 48 cents / .48
Answer 2
Answer:


12/5.79=1/x

12x=5.79(1)

12x=5.79

[divide 12 on both sides]

x=193/400(0.4825)

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7 1/2 pt =______ qt​

Answers

Answer:

Step-by-step explanation:

1 Pint is equal to 0.5 quart. To convert pints to quarts, multiply the pint value by 0.5 or divide by 2. For example, to convert 5 pints to quarts, multiply 5 by 0.5, that makes 2.5 quarts is 5 pints. pints to quarts formula. quart = pint * 0.5. quart = pint / 2. 1 Pint = 0.5 Quart.

Answer:  4.50356 quarts

Step-by-step explanation:

A rectangular game board is composed of identical squares arranged in a rectangular array of r rows and r+1 columns. The r rows are numbered from 1 through r, and the r+1 columns are numbered from 1 through r+1. If r>10, which of the following represents the number of squares on the board that are neither in the 4th row nor in the 7th column?A. r^2 - r
B. r^2 - 1
C. r^2
D. r^2 + 1
E. r^2 + r

Answers

The correct answer is A r^2 - r. Here is the procedure to give you an idea on to why is it like that: 
Lets say that total rows : r
And lets say that total columns : r + 1
Now the total squares = r(r+1) ------------(1)
squares in 4th row = r+1
squares in 7th column = r
squares common to above = 1
total squares in 4th row, and 7th column = 2r ------- (2)
Now what we cca do after describing all this facts is that 
- 1 from both row will be r-1
column will be r
and then multiply (will be r*r-1 or r^2-r)!
I hope this can help you greatly

Which phrase matches the algebraic expression below? (1 point) 3(x − 7) + 10 Three times the sum of x and seven plus ten Three times x minus seven plus ten Three times x minus the sum of seven and ten Three times the difference of x and seven plus ten

Answers

Answer:Three times the difference of x and seven plus ten

Step-by-step explanation:

What is 1/10 of 0.04

Answers

We could write the fractions as decimals.
.1 * .04 = .004 = (4)/(1000)

The answer is .004 or 4/1000.

The answer is 0.4 and I am sure because I got is correct, so trust me

Find the distance between the two points in the simplest radical form (9,-8) and (3,0)

Answers

Answer:

d = 10 units

Step-by-step explanation:

calculate the distance d using the distance formula

d = \sqrt{(x_(2)-x_(1))^2+(y_(2)-y_(1))^2 }

let (x₁, y₁ ) = (3, 0 ) and (x₂, y₂ ) = (9, - 8 )

substitute these values into the formula for d

d = √((9-3)^2+(-8-0)^2)

  = √(6^2+(-8)^2)

  = √(36+64)

  = √(100)

  = 10 units

How do you write the following standard number in expanded notation?31,606,577

a. 30,000,000 + 1,000,000 + 600,000 + 60,000 + 5,000 + 700 + 7
b. 30,000,000 + 1,000,000 + 60,000 + 600 + 500 + 70 + 7
c. 30,000,000 + 1,000,000 + 600,000 + 6,000 + 500 + 7 + 7
d. 30,000,000 + 1,000,000 + 600,000 + 6,000 + 500 + 70 + 7

Answers

31,606,577

= 30,000,000 + 1,606,577

= 30,000,000 + 1,000,000 + 606,577

= 30,000,000 + 1,000,000 + 600,000 + 6,577

= 30,000,000 + 1,000,000 + 600,000 + 6,000 + 577

= 30,000,000 + 1,000,000 + 600,000 + 6,000 + 500 + 77

= 30,000,000 + 1,000,000 + 600,000 + 6,000 + 500 + 70 + 7

The answer is D.
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