Caleb solved this equation and recorded his work. 7.4x + 4.1(2x − 4) = −2.3(x − 6) − 21.6 1. 7.4x + 8.2x − 16.4 = −2.3x + 13.8 −
2 answers:
For this case we have the following equation:
Step 1 of the solution is to make the distributive property.
We have then:
Step 1 is correct.
The step is to combine similar terms. Caleb wrote:
He wrongly combined the similar terms on the right side of the equation.
The correct solution is:
Answer:
In step 2, the like terms were not combined on the right side of the equation.
Step 1 of the solution is to make the distributive property.
We have then:
Step 1 is correct.
The step is to combine similar terms. Caleb wrote:
He wrongly combined the similar terms on the right side of the equation.
The correct solution is:
Answer:
In step 2, the like terms were not combined on the right side of the equation.
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Answer:
To round a number to the nearest tenth , look at the next place value to the right (the hundredths). If it's 4 or less, just remove all the digits to the right. If it's 5 or greater, add 1 to the digit in the tenths place, and then remove all the digits to the right.
Step-by-step explanation:
hope it helps you friend
Answer:
The components of parallel and perpendicular to
are
and
, respectively.
Step-by-step explanation:
Let be and
, the component of
parallel to
is calculated by the following expression:
Where is the unit vector of
, dimensionless and
is the operator of scalar product.
The unit vector of is:
Where is the norm of
, whose value is determined by Pythagorean Theorem.
The component of parallel to
is:
Now, the component of perpendicular to
is found by vector subtraction:
If and
, then:
