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2 years ago

What does (2b+c)(3b+2c)=

2 answers:

6 0

6b to the second power + 4bc + 3bc + 2c to the second power

And at the end if you add it it's 6b to the second power + 7bc + 2c to the second power

I get this by first multiplying 2b by 3b and 2c getting 6b to the second power and 4bc. Next we multiply c by 3bc and 2c to the second power and get 3bc and 2c. Then you add the like terms together go puppy out add 4bc and 3bc because the are bc at the end and you get 7bc and like that the final answer is 6b to the second power + 7bc + 2c to the second power.

Svetradugi [14.3K]2 years ago

4 0

Simplify 6b2+7bc+2c2.
Hope this helps

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Find the perimeter of triangle PQR. Round your answer to the nearest tenth.

BabaBlast [244]

We are given the coordinate of the 3 vertices. From these coordinates we can find the length of the sides using the distance formula and the sum of all the sides will be equal to the perimeter of the triangle.

Side PQ = $\sqrt{ (6-(-2))^{2}+ (1-1)^{2} }=8$

Side QR = $\sqrt{ (4-6)^{2}+ (-3-1)^{2} }=4.5$

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So, the perimeter of the triangle will be 8 + 4.5 + 7.2 = 19.7

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3 0

3 years ago

A game designer must decide how to color five buildings that are in a row. Using only the colors yellow, green, red, and blue, e

earnstyle [38]

Answer:

The total of ways the buildings can be painted are = 4 $\times$ 3 $\times$ 2 $\times$ 2 $\times$ 1 = 48 ways.

Step-by-step explanation:

i) color five buildings that are in a row.

ii) any two neighboring buildings must be different colors

iii) the first third and fifth buildings must be different colors.

iv) the number of ways to paint the fist building are 4.

v) the number of ways to paint the second building are 3.

vi) the number of ways to paint the third building are 2.

vii) the number of ways to paint the fourth building are 2.

viii) the number of ways to paint the last building are 1.

ix) therefore the total of ways the buildings can be painted are

= 4 $\times$ 3 $\times$ 2 $\times$ 2 $\times$ 1 = 48 ways.

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3 years ago

What is the name 2 in the value 222,222

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The underlined 2 in 222,222 is in the hundred thousand place (two hundred thousand)

the underlined 2 in 222,222 is in the ten thousand place (twenty thousand)

the underlined 2 in 222,222 is in the thousand place (two thousand)

the underlined 2 in 222,222 is in the hundred place (two hundred)

the underlined 2 in 222,222 is in the ten place (twenty)

the underlined 2 in 222,222 is in the ones place (two)

Read more on Brainly.com - brainly.com/question/554829#readmore

4 0

3 years ago

Read 2 more answers