Answer: 12
Step-by-step explanation:
<u>Given worded expression</u>
6 divided by 2 times in brackets 1 plus 2
<u>Convert wordings to numerical expression</u>
6 ÷ 2 × (1 + 2)
<u>Simplify value in parentheses/brackets</u>
=6 ÷ 2 × 3
<u>Simplify by division</u>
=3 × 4
<u>Simplify by multiplication</u>
=
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Using the quadratic formula, the solutions are:
a)
b)
A quadratic function is given according to the following rule:
The solutions are:
In which:
Item a:
The coefficients are a = 2, b = -3, c = -4, hence:
Item b:
The coefficients are a = 1, b = 2, c = 2, hence:
More can be learned about quadratic equations at brainly.com/question/24737967
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Given:
Point D is the centroid of Triangle ABC and DE = 9.
To find:
The measures of CD and CE.
Solution:
We know that, centroid is the intersection of medians and it divides each median in 2:1.
In triangle ABC, CE is a meaning and centroid D divided CE in 2:1. So,
Let the measures of CD and DE are 2x and x respectively.
DE = 9 (Given)
Now,
And,
Therefore, the measure of CD is 18 units and the measure of CE is 27 units.