Can someone plz help me with dis i will give brainliest
2 answers:
Answer:
first one: B and C
Second one: x=12, y=10 so the answer is B.
Step-by-step explanation:
First one: Irrational numbers are any numbers that go on forever in the decimal without ever repeating. Any square roots of numbers that aren't perfectly square, such as 4 and 9, are irrational. And anything with pi, or , is always irrational.
Second one: 144 and 100 are perfect squares, meaning it can be created by multiplying the same number by itself, in this case 12 and 10. Subtract those and you get 2.
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The expression represents the height of the box will be,h=(x-3).
<h3>What is volume?</h3>The term “volume” refers to the amount of three-dimensional space taken up by an item or a closed surface. It is denoted by V and its SI unit is in cubic cm.
Given data;
l= (x + 6)
w=(x + 2).
The volume of the rectangle having length l, width w, and height h is;
V=lwh
f(x)=V= x³ + 7x² + 4x – 12
lwh=x³ + 7x² + 4x – 12
Substitute the given value;
Hence, the expression represents the height of the box will be,h=(x-3).
To learn more about the volume, refer to brainly.com/question/1578538
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Answer:
see explanation
Step-by-step explanation:
Given
f(x) = + 3x³ - 4x²
To find the zeros equate f(x) to zero, that is
+ 3x³ - 4x² = 0 ← factor out x² from each term
x²(x² + 3x - 4) = 0 ← factor the quadratic
x²(x + 4)(x - 1) = 0 ← in standard form
Equate each factor to zero and solve for x
x² = 0 ⇒ x = 0 with multiplicity 2
x + 4 = 0 ⇒ x = - 4
x - 1 = 0 ⇒ x = 1
zeros are x = - 4, x = 0, x = 1