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artcher [175]
3 years ago
15

Factor the polynomial 4x^2-16

Mathematics
2 answers:
Karolina [17]3 years ago
8 0

Answer:

4(x+2)4(x-2)

Step-by-step explanation:

Aleksandr [31]3 years ago
6 0

Answer: 4(x+2)(x-2)

Step-by-step explanation: Just use Math-way it really helps

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What is the perimeter of the square ABCD?
svp [43]

Answer:

P= 4a would be the answer

5 0
2 years ago
Quick answers?please for more points and brainliest
nalin [4]
1. John can create 5 paintings per week. 

2. Sasha can walk 30 minutes per mile. 

3. Todd takes 24 minutes per room he cleans. 

4. Victoria takes half of one day per necklace she makes. 

5. Byron can make 12 cakes per day. 

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5 0
3 years ago
A triangle has vertices at B(-3,0), C(2, -1), D(-1,2). Which series of transformations would produce an image with vertices B"(4
Alik [6]

Answer:

  (b)  (x, y) ⇒ (-x, y); (x, y) ⇒ (x + 1, y + 1)

Step-by-step explanation:

A graph shows the image is consistent with reflection over the y-axis

  (x, y) ⇒ (-x, y)

and translation right 1, up 1

  (x, y) ⇒ (x +1, y +1)

These transformations are listed in the second choice.

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In the attachment, the original image is blue, the reflected image is purple, and the final translated image is red.

4 0
2 years ago
Let x^2+15x=49
Slav-nsk [51]
<span>x^2 + 15x + 56.25 = 105.25

    "Completing the square" is one of many different techniques for solving a quadratic equation. What you do is add a constant to both sides of the equation such that the lefthand side can be factored into the form a(x+d)^2. For instance, squaring (X+D) = X^2 + 2DX + D^2. Notice the 2DX term. That is the same term as the 15x term in the problem. So 2D = 15, D = 7.5. And D^2 = 7.5^2 = 56.25.
So we have
 x^2 + 15x + 56.25 = 49 + 56.25
 Which is
 x^2 + 15x + 56.25 = 105.25
  Which is the answer desired.

   Now the rest of this is going beyond the answer. Namely, it's answering the question "Why does complementing the square help?" Well, we know that the left hand side of the equation can now be written as
 (x+7.5)^2 = 105.25

   Now take the square root of each side
 (x+7.5) = sqrt(105.25)

   And let's use both the positive and negative square roots.
So x+7.5 = 10.25914226
 and
 x+7.5 = -10.25914226

   And let's find X.
 x+7.5 = 10.25914226
 x = 2.759142264

   x+7.5 = -10.25914226
 x = -17.75914226

   So the roots for x^2 + 15x - 49 is 2.759142264, and -17.75914226</span>
3 0
3 years ago
Read 2 more answers
35) The volume of a cone is 8 cubic
Anuta_ua [19.1K]

Answer:

24 cm³

Step-by-step explanation:

Volume of a cylinder is three times of a cone with same measurements

volume of cone is 8cm³

then,volume of cylinder is 8 × 3 = 24

7 0
2 years ago
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