To find the cost of each book, you need to divide the money spent on all of the books by the number of books.
$39 / 10 = $3.90 per book
Step-by-step explanation:
Dell Inspiron 15 5584 (C568125WIN9) Laptop (Core i7 8th Gen/8 GB/1 TB 512 GB SSD/Windows 10/4 GB)
Hello :
<span>3y = x + 6 ...(1)
y – x = 3...(2)
by (2) : y = x+3...(*)
subsct in (1) :
3(x+3) = x+6
3x-x= -9+6
2x= -3
x=-3/2
subsct in (*) : y =-3/2 +3 =3/2</span>
Answer:
46
Step-by-step explanation:
Using PEMDAS (Parentheses, Exponents, Multiplication, Division, Addition, Subtraction), we get:
5 × 7 - 4² + 27 =
<em>Exponents</em>
5 × 7 - 16 + 27 =
<em>Multiplication</em>
35 - 16 + 27 =
<em>Subtraction</em>
19 + 27 =
<em>Addition</em>
46
Hi there,
58,000,000 in scientific notation is 5.8 x 10^7
this is because there are a least 7 zeros.
Hope this is correct :)
Have a great day
