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TC

Tatyana Clarke

4 days ago

A customer gave a taxi driver $24 for a ride that cost $18. Determine the tip rate. Round your answer to the nearest integer.

A) 33%
B) 75%
C) 6%
D) 36%
E) 25%
MA

Maria Avakian

4 days ago

The perimeter of a rectangle is 180180180 inches. The length of the rectangle is  four \text { four } four  times its width. Find the area of the rectangle.

A) 5,1845,1845,184 square inches
B) 2,5922,5922,592 square inches
C) 5,5085,5085,508 square inches
D) 1,2961,2961,296 square inches
E) 720720720 square inches
MJ

MUSHFIEKA JACOBS

4 days ago

Determine whether the equations 8(10−5t) =28 ( 10 - 5 t ) = 28(10−5t) =2 and 80−40t=280 - 40 t = 280−40t=2 are equivalent.

A) not equivalent
B) equivalent
AI

Axibeg Iseulbi

4 days ago

Use Pascal s Triangle to expand the expression (3y+z) 6( 3 y + z ) ^ { 6 }(3y+z) 6 .

A) 729y6+z6729 y ^ { 6 } + z ^ { 6 }729y6+z6
B) 729y6+243y5z+81y4z2+27y3z3+9y2z4+3yz5+z6729 y ^ { 6 } + 243 y ^ { 5 } z + 81 y ^ { 4 } z ^ { 2 } + 27 y ^ { 3 } z ^ { 3 } + 9 y ^ { 2 } z ^ { 4 } + 3 y z ^ { 5 } + z ^ { 6 }729y6+243y5z+81y4z2+27y3z3+9y2z4+3yz5+z6
C) y6+y5z+y4z2+y3z3+y2z4+yz5+z6y ^ { 6 } + y ^ { 5 } z + y ^ { 4 } z ^ { 2 } + y ^ { 3 } z ^ { 3 } + y ^ { 2 } z ^ { 4 } + y z ^ { 5 } + z ^ { 6 }y6+y5z+y4z2+y3z3+y2z4+yz5+z6
D) 729y6+1458y5z+1215y4z2+540y3z3+135y2z4+18yz5+z6729 y ^ { 6 } + 1458 y ^ { 5 } z + 1215 y ^ { 4 } z ^ { 2 } + 540 y ^ { 3 } z ^ { 3 } + 135 y ^ { 2 } z ^ { 4 } + 18 y z ^ { 5 } + z ^ { 6 }729y6+1458y5z+1215y4z2+540y3z3+135y2z4+18yz5+z6
E) 3y6+z63 y ^ { 6 } + z ^ { 6 }3y6+z6
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SW

Sherette Williams

4 days ago

Determine if x=2 is a solution to x+8=3xx + 8 = 3 xx+8=3x .

A) x=2 is a solution.
B) x=2 is not a solution.
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ZF

Zohaib Farooq

4 days ago

Use the Binomial Theorem to expand the expression (x−2y5) 4\left( x - 2 y ^ { 5 } \right) ^ { 4 }(x−2y5) 4 .

A) x4−8x3y+24x2y2−32xy3+16y4x ^ { 4 } - 8 x ^ { 3 } y + 24 x ^ { 2 } y ^ { 2 } - 32 x y ^ { 3 } + 16 y ^ { 4 }x4−8x3y+24x2y2−32xy3+16y4
B) x4−8x3y5+24x2y10−32xy15+16y20x ^ { 4 } - 8 x ^ { 3 } y ^ { 5 } + 24 x ^ { 2 } y ^ { 10 } - 32 x y ^ { 15 } + 16 y ^ { 20 }x4−8x3y5+24x2y10−32xy15+16y20
C) x4−2x3y+4x2y2−8xy3+16y4x ^ { 4 } - 2 x ^ { 3 } y + 4 x ^ { 2 } y ^ { 2 } - 8 x y ^ { 3 } + 16 y ^ { 4 }x4−2x3y+4x2y2−8xy3+16y4
D) x4+4x3y5+6x2y10+4xy15+y20x ^ { 4 } + 4 x ^ { 3 } y ^ { 5 } + 6 x ^ { 2 } y ^ { 10 } + 4 x y ^ { 15 } + y ^ { 20 }x4+4x3y5+6x2y10+4xy15+y20
E) x4+4x3y+6x2y2+4xy3+y4x ^ { 4 } + 4 x ^ { 3 } y + 6 x ^ { 2 } y ^ { 2 } + 4 x y ^ { 3 } + y ^ { 4 }x4+4x3y+6x2y2+4xy3+y4
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PA

Priyanka Aggarwal

4 days ago

Find a formula for the n th term of the arithmetic sequence. a5=13,a9=3a _ { 5 } = 13 , a _ { 9 } = 3a5​=13,a9​=3

A) an=−5n−512a _ { n } = - \frac { 5 n - 51 } { 2 }an​=−25n−51​
B) an=5n−512a _ { n } = \frac { 5 n - 51 } { 2 }an​=25n−51​
C) an=23n−10a _ { n } = 23 n - 10an​=23n−10
D) αn=13n+10\alpha _ { n } = 13 n + 10αn​=13n+10
E) an=−5n+512a _ { n } = - \frac { 5 n + 51 } { 2 }an​=−25n+51​
BH

Blake Herndon

4 days ago

Find the balance of an increasing annuity in which a principal of $20 is invested each month for 40 years, compounded monthly at a rate of 8%.

A) $939.44
B) $11,878.94
C) $5,744.14
D) $70,305.62
E) $3,703.31
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TB

Tayana Bankston

4 days ago

Find the n th partial sum of the geometric sequence. 1,−4,16,−64,256,…,n=71,-4,16,-64,256, \ldots, \quad n=71,−4,16,−64,256,…,n=7

A) 3326
B) 3277
C) -819
D) 3620
E) -51
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EW

Elizabeth Wanjiru

4 days ago

Find the common ratio of the geometric sequence. 12,14,18,116,...\frac{1}{2}, \frac{1}{4}, \frac{1}{8}, \frac{1}{16},...21​,41​,81​,161​,...

A) −18-\frac{1}{8}−81​
B) 14\frac{1}{4}41​
C) 12\frac{1}{2}21​
D) −12-\frac{1}{2}−21​
E) −14-\frac{1}{4}−41​
MM

Manon Morgane

4 days ago

Write the first five terms of the arithmetic sequence defined recursively. a1=50,ak+1=ak−5a _ { 1 } = 50 , a _ { k + 1 } = a _ { k } - 5a1​=50,ak+1​=ak​−5

A) a1=70,a2=65,a3=60,a4=55,a5=50a _ { 1 } = 70 , a _ { 2 } = 65 , a _ { 3 } = 60 , a _ { 4 } = 55 , a _ { 5 } = 50a1​=70,a2​=65,a3​=60,a4​=55,a5​=50
B) a1=50,a2=55,a3=60,a4=65,a5=70a _ { 1 } = 50 , a _ { 2 } = 55 , a _ { 3 } = 60 , a _ { 4 } = 65 , a _ { 5 } = 70a1​=50,a2​=55,a3​=60,a4​=65,a5​=70
C) a1=50,a2=45,a3=40,a4=35,a5=30a _ { 1 } = 50 , a _ { 2 } = 45 , a _ { 3 } = 40 , a _ { 4 } = 35 , a _ { 5 } = 30a1​=50,a2​=45,a3​=40,a4​=35,a5​=30
D) a1=30,a2=35,a3=40,a4=45,a5=50a _ { 1 } = 30 , a _ { 2 } = 35 , a _ { 3 } = 40 , a _ { 4 } = 45 , a _ { 5 } = 50a1​=30,a2​=35,a3​=40,a4​=45,a5​=50
E) a1=50,a2=40,a3=45,a4=30,a5=35a _ { 1 } = 50 , a _ { 2 } = 40 , a _ { 3 } = 45 , a _ { 4 } = 30 , a _ { 5 } = 35a1​=50,a2​=40,a3​=45,a4​=30,a5​=35
TG

Tamara GreenE

4 days ago

Use Pascal s Triangle to expand the expression (2x−4) 5( 2 x - 4 ) ^ { 5 }(2x−4) 5 .

A) 2x5−20x4+160x3−640x2+1280x−10242 x ^ { 5 } - 20 x ^ { 4 } + 160 x ^ { 3 } - 640 x ^ { 2 } + 1280 x - 10242x5−20x4+160x3−640x2+1280x−1024
B) 2x5−5x4+10x3−10x2+5x−−42 x ^ { 5 } - 5 x ^ { 4 } + 10 x ^ { 3 } - 10 x ^ { 2 } + 5 x - - 42x5−5x4+10x3−10x2+5x−−4
C) 32x5−80x4+80x3−40x2+10x−102432 x ^ { 5 } - 80 x ^ { 4 } + 80 x ^ { 3 } - 40 x ^ { 2 } + 10 x - 102432x5−80x4+80x3−40x2+10x−1024
D) 32x5−102432 x ^ { 5 } - 102432x5−1024
E) 32x5−320x4+1280x3−2560x2+2560x−102432 x ^ { 5 } - 320 x ^ { 4 } + 1280 x ^ { 3 } - 2560 x ^ { 2 } + 2560 x - 102432x5−320x4+1280x3−2560x2+2560x−1024
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TA

Tonya Austin

4 days ago

Find the balance of an increasing annuity in which a principal of $300 is invested each month for 33 years, compounded monthly at a rate of 8%.

A) $42,454.33
B) $583,960.90
C) $63,895.28
D) $123,835.77
E) $11,406.08
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MA

Mohammad Al-Tamimi

4 days ago

Determine whether the sequence is geometric. If so, find the common ratio. 1,−72,494,−3438,240116,..1,-\frac{7}{2}, \frac{49}{4},-\frac{343}{8}, \frac{2401}{16},..1,−27​,449​,−8343​,162401​,..

A) 27\frac{2}{7}72​
B) - 27\frac{2}{7}72​
C) 72\frac{7}{2}27​
D) - 72\frac{7}{2}27​
E) not geometric
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PG

Pashae Gordon

4 days ago

Determine whether the sequence is geometric. If so, find the common ratio. 9,15,21,27,…9,15,21,27, \ldots9,15,21,27,…

A) 9
B) 15
C) 52\frac{5}{2}25​
D) 6
E) not geometric
PK

princess_ Ketoo F

4 days ago

Find the common difference of the arithmetic sequence with the n th term an=5−6na _ { n } = 5 - 6 nan​=5−6n .

A) -5
B) -6
C) 6
D) -1
E) 5
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TQ

Thông Quang

4 days ago

Find the common difference of the arithmetic sequence 178,74,118,1,58,…\frac { 17 } { 8 } , \frac { 7 } { 4 } , \frac { 11 } { 8 } , 1 , \frac { 5 } { 8 } , \ldots817​,47​,811​,1,85​,…

A) 114\frac { 11 } { 4 }411​
B) −38- \frac { 3 } { 8 }−83​
C) −34- \frac { 3 } { 4 }−43​
D) −74- \frac { 7 } { 4 }−47​
E) 118\frac { 11 } { 8 }811​
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MV

Michelle Villagomez

4 days ago

Solve the system by the method of elimination. {8x2−2y2=−422x2+4y2=102\left\{ \begin{array} { l } 8 x ^ { 2 } - 2 y ^ { 2 } = - 42 \\2 x ^ { 2 } + 4 y ^ { 2 } = 102\end{array} \right.{8x2−2y2=−422x2+4y2=102​

A) (1,5) ,(1,−5) ( 1,5 ) , ( 1 , - 5 ) (1,5) ,(1,−5)
B) (1,5) ,(−1,−5) ( 1,5 ) , ( - 1 , - 5 ) (1,5) ,(−1,−5)
C) (−1,5) ,(−1,−5) ( - 1,5 ) , ( - 1 , - 5 ) (−1,5) ,(−1,−5)
D) (1,5) ,(1,−5) ,(−1,5) ,(−1,−5) ( 1,5 ) , ( 1 , - 5 ) , ( - 1,5 ) , ( - 1 , - 5 ) (1,5) ,(1,−5) ,(−1,5) ,(−1,−5)
E) no solution exists
ZZ

Zainab Zaini

4 days ago

Solve the system by the method of substitution. {x−y2=0x−y=42\left\{ \begin{array} { l } x - y ^ { 2 } = 0 \\x - y = 42\end{array} \right.{x−y2=0x−y=42​

A) (36,6) ,(25,−5) ( 36,6 ) , ( 25 , - 5 ) (36,6) ,(25,−5)
B) (36,−6) ,(25,5) ( 36 , - 6 ) , ( 25,5 ) (36,−6) ,(25,5)
C) (36,6) ,(49,−7) ( 36,6 ) , ( 49 , - 7 ) (36,6) ,(49,−7)
D) (36,−6) ,(49,7) ( 36 , - 6 ) , ( 49,7 ) (36,−6) ,(49,7)
E) no solution exists
PS

Pulse Survey

4 days ago

Determine whether the sequence ln⁡7,ln⁡14,ln⁡21,ln⁡28,…\ln 7 , \ln 14 , \ln 21 , \ln 28 , \ldotsln7,ln14,ln21,ln28,… is arithmetic. If so, find the common difference.

A) arithmetic; 14
B) arithmetic; 2
C) arithmetic;7
D) arithmetic; 28
E) not arithmetic
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