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Drupady [299]
2 years ago
12

Given that (x + 2) is a factor of f(x), what is the value of f(-2)? Explain how you know.

Mathematics
1 answer:
Ipatiy [6.2K]2 years ago
8 0

Answer:

f(-2) = 0

Step-by-step explanation:

well we can express f(x) as follows

f(x) = (x+2)Q(x)\\\\

we don't need the value of q(x) (for this exercise)

now evaluate when x = -2

f(-2)=(-2+2)Q(-2)\\\\f(-2)=0(Q(-2))\\\\f(-2) = 0

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The area of the rectangle is 20 square inches. The rectangle is enlarged by a factor of 6.
d1i1m1o1n [39]

Answer:

B

Step-by-step explanation:

Here, we are told that the rectangle is enlarged by a factor of 6, we now want to calculate the new area of the said rectangle.

Now, for the rectangle to have an area of 20, mathematically the area of a triangle can be calculated using the formula L * B

where L is the length and B is the breadth

our product here is 20, so any product that gives 20 would be a good fit as the value of the width and length of the rectangle

So, let’s say the sides measure 5 inches by 4 inches

Enlarging these by a factor of 6, we have 30 inches by 24 inches

The new area of the rectangle would thus be ;

30 inches * 24 inches = 720 inches^2

3 0
3 years ago
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Let p: A shape is a triangle. Let q: A shape has four sides. Which is true if the shape is a rectangle? p ∨ q p ∧ q p → q q → p
Paul [167]

Answer:

Step-by-step explanation:

Let q : The four sides because a rectangle has four sides.

3 0
2 years ago
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A bookstore sells paperback fiction books in excellent condition for $2.50 and in fair condition for $0.50. Write an expression
Rama09 [41]

Answer:

d

Step-by-step explanation:a

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2 years ago
A music store buys instruments and then sells them for 30 % more than they paid
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Complete the table so that the cost per banana remains the same.
Aneli [31]

Step-by-step explanation:

No. of banana    Cost      Unit price

4                            2            0.50

6                            3             0.50

7                           3.5           0.50

20                         10            0.50

20                          10             0.50

33                          16.50        0.50

Cost = No of banana x unit price

Cost = 4 x 0.50 = 2

Cost = 6 x 0.50 = 3

Cost = 7 x 0.50 = 3.50

Cost = 20 x 0.50 = 10

No of banana = Cost / Unit price

No of banana = 10 / 0.50 = 20

No of banana = 16.50 / 0.50 = 33

3 0
2 years ago
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