2 years ago

St. Patrick's Day Problem Solving

Mathematics

2 answers:

yaroslaw [1]2 years ago

4 0

Answer:

I dont know wow this is hard i think it is 151 but im not sure

Step-by-step explanation:

anyanavicka [17]2 years ago

4 0

39, 57, 51? That seems right none are multiple of 2 or 9, between 30 and 60, and are multiples of 3?

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Factor the polynomial completely

aliina [53]

We have $2x^2-8$ .

First let us factor the 2 to obtain,

$2(x^2-4)$

We can now see clearly that the expression inside the parentheses is a difference of two squares.

We now write the 4 as 2². So that we obtain the expression,

$2(x^2-2^2)$

Recall that

$a^2-b^2=(a+b)(a-b)$

Hence our expression becomes,

$2(x+2)(x-2)$

Therefore, when factored completely,

$2x^2-8=2(x+2)(x-2)$

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3 years ago

Solve the system of linear equations. separate the x- and y- values with a coma. -9x+2y=-7

Iteru [2.4K]

Y = 1, x = 1 hope this helps!

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3 years ago

Dion is playing the game tag with his friend bill they have played the games every day during play time at school for the last 4

Margarita [4]

You would subtract how many times Dion tagged bill with how many times bill tagged Dion, so 12 - 7 = 5

7 0

2 years ago

Read 2 more answers

Anthony is now designing the classroom layout for the school. Each hallway has exactly 5 classrooms. If Anthony has 48 classes t

cluponka [151]

Answer:

9 and a half

Step-by-step explanation:

the fewest number is 9.5 because thats the exact amount in hallways that he needs

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2 years ago

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Reduce to Standard form : (a) -21/91 (b) 32/(-256)

sweet [91]

Answer:

a) -3/13

b) -1/8

Step-by-step explanation:

a) - (21 / 7) / (91 / 7) = 3/13

b) (32 / 32 ) / - (256 / 32) = -1/8

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2 years ago