Joaquim Rate per hour = 1/7
Josiah Rate per hour = 1/t
1/7 + 1/x = 1/3
(same denominator & simplification) gives: t = 21/4 = 5.25 .
Josiah needs 5.25 hours to clean alone
(I really don't know why the answer is 5.3 . Can you pls check with the teacher?
Given = A △ABC in which D and E are the mid-points of side AB and AC respectively. DE is joined .
To Prove : DE || BC and DE = 1 / 2 BC.
$1296
- 470 (parts)
= $826 labor
826/60 = approx. 13. hours
Answer:
x= 7/3 (fraction)
Step-by-step explanation:
If you plug it in it will work
Answer:
<h2>
What are natural numbers?</h2>
<u>the positive integers or whole numbers include 1, 2, 3, and etc. sometimes zero.</u>
<h2>
What are whole numbers?</h2>
<u>Whole numbers are 0, 1, 2, 3, 4, 5, 6</u>. Whole numbers include positive integers along with 0.
17, 99, 267, 8107 and 999999999 are examples of whole numbers.
<h2>What are rational numbers?</h2>
<u>A rational number is a number that can be express as the ratio of two integers.</u> A number that cannot be expressed that way is irrational. For example, one third in decimal form is 0.33333333333333
<h2>
What are irrational numbers?</h2>
<u>A real number that can NOT be made by dividing two integers </u>(an integer has no fractional part). "Irrational" means "no ratio", so it isn't a rational number.
Example: π is an irrational number.
<h2>
What are real numbers?</h2>
<u>The real numbers include all the rational numbers,</u> such as the integer −5 and the fraction 4/3, and all the irrational numbers, such as √2.
Included within the irrationals are the transcendental numbers, such as π
