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kati45 [8]
3 years ago
14

Which shows a perfect square trinomial? 50y^2-4x^2 100-36x^2y^2 16x^2+24xy+9y^2 49x^2-70xy+10y^2 ~ please answer, i will mark br

ainliest ~
Mathematics
2 answers:
kompoz [17]3 years ago
5 0

Answer:

3. 16x^2+24xy+9y^2

Step-by-step explanation:

<em>A perfect square trinomial has the form of:</em>

<em>a^2+2ab+b^2= (a+b)^2</em>

<u>Let's see which of the given is equivalent to perfect square</u>

1. 50y^2-4x^2

No, this is not a trinomial

2. 100-36x^2y^2

No, this is not a trinomial

3. 16x^2+24xy+9y^2 = (4x)^2 + 2*4x*3y+ (3y)^2 = (4x+3y)^2

Yes, this is a perfect square

4. 49x^2-70xy+10y^2= (7x)^2- 2*7x*10y + 10y^2

No, this is a trinomial but not a perfect square because 10y^2 is not equal to (10y)^2

As per above, the answer is the 3rd choice

frosja888 [35]3 years ago
3 0

Answer:

C

Step-by-step explanation:

the answer is c, hope this helped :)

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Answer:

c.4

Step-by-step explanation:

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5 0
3 years ago
Pls help me im confused! <br> angle #1 = x = ?<br><br> angle #2 = X + 30 = ?
sasho [114]

When the sum of two angles measures up to 90° then these angles are known as complementary angles of each other. The measure of ∠1 is 30°, while the measure of ∠2 is 60°.

<h3>What are Complementary Angles?</h3>

When the sum of two angles measures up to 90° then these angles are known as complementary angles of each other.

for example, ∠x + ∠y = 90°, therefore, the ∠x and ∠y are the complementary angles of each other.

Since the two angles together form a 90° angle. The angles are complementary to each other, therefore, we can write,

∠1 + ∠2 = 90°

x + x + 30 = 90°

2x = 60°

x = 30°

Thus, the measure of the angles can be written as,

∠1 = x = 30°

∠2 = x+30° = 60°

Hence, the measure of ∠1 is 30°, while the measure of ∠2 is 60°.

Learn more about Complementary Angles:

brainly.com/question/5708372

#SPJ1

7 0
3 years ago
The ratio of the corresponding side lengths is 10:710:7. What is the ratio of the areas?
Anvisha [2.4K]
10 * 10= 100
7*7=49
the ratio is 100:49

remember to mark me brainliest

8 0
4 years ago
You What mass of makes up 70 percent of all planetary mass in the solar system
MA_775_DIABLO [31]
My guess would be Jupiter But I'm not sure. Its certainly massive!!
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4 years ago
Imagine that a gas is bubbling up from a sample of water. Laurel forms the hypothesis that the water is boiling. How could she t
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