FS10_1825_006_Qz1_key_pink

# FS10_1825_006_Qz1_key_pink - link MTH 1825 see 006 Quiz#1...

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Unformatted text preview: link- MTH 1825 see. 006 - Quiz #1 Name (print) Qﬁ/ Monday, Sept. 13. 2010 20 points Signature mi; 1 5?: x + 8 — 3x _ 7 algebraically. Show your work. 1. (4 pts.) Solve the equation 5 — — 3 4 €i§§\$_ﬁ}r§ “W. ''' “'7” E5 2135 a “‘2? Answer a, E» , 2. (4 pts.) Solve the word problem by setting up an equation with one variable and solving it. Be sure to answer the question completely. Show your work. How many gallons ofa 12% saline solution need to be added to 40 gallons ofa 27% saline solution to produce a 19% saline solution? Round to 2 decimal places. if g 33% en 2 f l‘ (“at {Xiisc’yi}; éégllﬁéliﬁ Hi“ 3" ,lgix 4‘ 7 9‘“ 2’, ’2 12% X (HWM‘MK Answer it rantings: oi: Mfg gm Hm} Page 1 of2 94; AK 3. (4 pts.) Simplify the expression 2y(] — 3x) — 10y — 3x(y — 5). Show your work. {n 0 o e o r‘ i t g m, we w (mm 3x“ i t‘% ‘70 0 e Answer W Beg; ”” 9X40}; “tr 55 U {f 4. (4 pts.) Simplify each expression using two steps. For example: 2 + 3 + 4 = 5 + 4 = 9. a. 300+ 3-20 2 till?) = \$733353 b. c. 4—5—31 = d. —32+(—3)2 = “55% “it = 5. (2 pts.) Circle thewratiﬂonal numbers in the following list of real numbers: i-fl“""""'7.434343. 15a: w/E «Hi {3—6—3— } krmimyﬁmg 6. 7. ,A a” i, NM title. an“. a} (1 pt.) Consider the sets M = {x} x 5 --Z} and N = s 7}. The set M U N is which of the following? {A M of h? of ball/vs (A) [—17] (D) o (empty set) <E> (ma-2] <0 (-wa-‘21Ul7’ool <6) [200) (H) W) (1 pt.) Which property justiﬁes the statement 12 + 0 =12? (A) commutative (B) associative l(1&le (D) inverse Score: / 20 Page 2 0 2 ...
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FS10_1825_006_Qz1_key_pink - link MTH 1825 see 006 Quiz#1...

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