Please help solve 0.6x =3.2
Answers
0.6x=3.2
divide both sides by 0.6
x=5.3333 or 5 1/3
divide 3.2 by .6 which wld equal...5 and 1 third or...
5.33333333333333333333333
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-х – Зу = -12
A. зу + 12
B.-3y + 12
C.зу – 12
D.-3y - 12
Answers
Option A. зу + 12 is the right answer
Step-by-step explanation:
The substitution method consists of finding the value of a variable from one equation and then putting it into another equation to find the value of other variable.
Given equations are:
We have to isolate x in the 2nd equation
Multiplying equation by -1
Subtracting 3y from both sides
Hence,
Option A. зу + 12 is the right answer
Keywords: linear equations, Variables
Learn more about linear equations at:
#LearnwithBrainly
Answers
4x-3(-2)=18
Add 60 to both sides
4x=24
Divide both sides by 4
x=6
Answers
Hope this helps :)
Answers
To solve this plug 4 in for x and 10 in for y like so...
5(4) - 2(10)
5 × 4 - 2 × 10
To solve this you must use the rules of PEMDAS (Parentheses, Exponent, Multiplication, Division, Addition, Subtraction)
We will skip the steps of parentheses and exponents since there are none in this expression
Now we will multiply. The only issue is that there are two sets of numbers to multiply. Which one will we multiply first? You will multiply first the set of numbers that come first when reading from left to right.
In this case you will first multiply 5 with 4
5 × 4 - 2 × 10
20 - 2 × 10
Next we will multiply -2 with 10
20 - 2 × 10
20 - 20
There is no division and addition in this expression so we will go on to subtraction:
20 - 20
= 0
Hope this helped!
~Just a girl in love with Shawn Mendes
Answer:
0
Step-by-step explanation:
Given x = 4
y = 10
5x - 2y = 5(4) - 2(10)
= 20 - 20
= 0
Answers
8, 16, 24, 32, 40, 48, 56, 72, 80, 88, 96 are all divisible by 8.
We also know that his current age is the square of his son's age. So we can check the numbers that follow the multiples of eight to see if they'll work.
The subsequent numbers, in order, are
9, 17, 25, 33, 41, 49, 57, 73, 81, 89, 97
Now, let's list which ones are squares, meaning a number multiplied by itself is equal to anther number.
9 is the square of 3
25 is the square of 5
49 is the square of 7
81 is the square of 9
Only these four will work, but right now, ANY of these four will work. Let's use a little science to narrow it down.
It is scientifically improbable for a 9-year-old to have a 3-year-old son, so we'll rule that one out. It's also highly unlikely that an 81-year-old has a 9-year-old son, so we'll cross that off the list, as well.
This leaves a 25-year-old man with a 5-year-old son, and a 49-year-old man with a 7-year-old son, both of which are most likely.
At this point, you can choose whichever you'd like, or put down both as the answer.
The man and his son's present ages are either 25 and 5, or 49 and 7.