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algebra
Write the polynomial in standard form. Then name the polynomial based on its degree and number of terms. 2 – 11x^2 – 8x + 6x^2 A. –5x^2 – 8x + 2; quadratic trinomial B. –5x^2 – 8x; quadratic binomial C. –6x^2 – 8x

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A) How do you make 200 mL of a 0.1 M solution of a substance that has a molecular weight of 121.1 g/mol? Answer I got: 200mL = 1/0.1M x 1/(121.1g/mol) x mass of the substance. mass of the substance = 0.2L x 0.1M x 121.1g/mol=2.42g

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What is the value of n so that the expression x^2+11x+n is a perfect square trinomial?

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find the value of c that makes each trinomial a perfect square. then write the trinomial as a prefect square. x^210x+c x^2+60x+c

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The area of a square is 121 sq feet. What is the length of its sides? Would I find this by dividing 121 by 4?

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Find the value of c that makes the expression a perfect square trinomial. Then write the expression as the square of a binomial. I didn't really understand what that meant. x^223x+c x^2(2/7)x+c

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How much solute is required to make 600mL of a 0.4 M solution of Tris buffer? FW of Tris Buffer= 121.1g Work: Molarity equation= moles of solute/ liters of solution Step 1: 121.1 g / 121.14 g/mol TB = 0.9996 mol TB Step 2:

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How do you prepare 100 mL of a 0.1 M TRISHCl buffer with a pH 7.4 using solid TRIS base (MW 121.1) and 1 M hydrochloric acid? I started with pH=pKa + log ([Tris]/[Tris+] [Tris]/[Tris+]= 10^(7.48.06]=0.219 so 0.219:1 ratio with

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1) x^2 + 22x + k = (xr)^2 Given constants r and k, the above equation is true for all values of x. What is the value of the sum of r and k? I'm thinking it's 110, because to get 22x, r has to be 11, and that would mean k = 121.

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The value of k that makes the expression x^2 + 72x +k a perfect square trinomial is ?
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