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grigory [225]
3 years ago
9

Which products result in a perfect square trinomial? Check all that apply.

Mathematics
2 answers:
Katyanochek1 [597]3 years ago
7 0
B, C and E are the answers
sladkih [1.3K]3 years ago
3 0

The <em><u>correct answers</u></em> are:

B=(xy + x)(xy + x) ; C=(2x – 3)(–3 + 2x) ; and E=(4y² + 25)(25 + 4y²)

Explanation:

In order to have a perfect square trinomial, we must multiply two binomials that are exactly the same.  For (xy+x)(xy+x), are multiplying two identical binomials.

For (2x-3)(-3+2x), we are multiplying two binomials that are the same but written in a different order.  The same is true of (4y² + 25)(25 + 4y²).

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4. A circle is centered at (−8, −13) and has a radius of 13. What is the equation of the circle? * (x + 8)² + (y + 13)² = 169 (x
sattari [20]

Answer:

(x + 8)^2 + (y + 13)^2 = 13^2

Step-by-step explanation:

Write out (x - h)^2 + (y - k)^2 = r^2.  Recognizing that the center is at

(h, k), with h = -8 and k = -13, and that the radius is 13, we get:

(x + 8)^2 + (y + 13)^2 = 13^2

7 0
3 years ago
A survey of 100 people in New York City, NY found that.
S_A_V [24]

Answer: 0.9

Step-by-step explanation:

\mathrm{Total \ sample \ space \ $=100$} \\\mathrm{Event \ $A = \ taking \ subway \ each \ day}$$P(A)=0.85$$Event $B=$ taking taxi $\because P(B)=0.6$$$P(A \cap B)=0.55$$

\begin{aligned}P(A \cup B) & \Rightarrow \text { Person taking either taxi/subway } \\&=P(A)+P(B)-P(A \cap B) \\&=(0.85-0.555)+(0.6-0.55)-0.55 \\&=1.45-0.55\\&\bf{=0.9} \end{aligned}

7 0
2 years ago
A square rug has an area of 1.44m ^2. Find the length of a side of the rug.
Juli2301 [7.4K]
 the answer is 42.77...........................................
5 0
3 years ago
Plz help ASAP. Need help on this
nexus9112 [7]

Answer:

RS, RT and ST

Step-by-step explanation:

A tangent to a circle is a line that meets a circle at only one point.

AP is the radius and XT is not even a line.

Hope it helps!

3 0
3 years ago
What is 12.06 divided by 18?
Montano1993 [528]
The answer to the problem is 0.67
8 0
3 years ago
Read 2 more answers
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