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aleksandr82 [10.1K]
3 years ago
5

Kristin bought 8 books for a total of $238.60. Math books cost $29.60 and

Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
5 0

Answer: 2 Math books and 6 English books

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Solve log4 (y – 9) + log4 3 = log4 81.
avanturin [10]

\text{Domain}\\\\y-9 > 0\to y>9\\\\------------------------\\\\\log_4(y-9)+\log_43=\log_481\qquad\text{use}\ \log x+\log y=\log(xy)\\\\\log_4[3(y-9)]=\log_481\qquad\text{use distributive property}\\\\\log_4(3y-27)=\log_481\iff3y-27=81\qquad\text{add 27 to both sides}\\\\3y=108\qquad\text{divide both sides by 3}\\\\\boxed{y=36}\in D\\\\Answer:\ \boxed{y=36}

3 0
3 years ago
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. A straight line passes through the point (-1,2) and its distance from the origin is
Ulleksa [173]

Answer:

y = -1/2x + 3/2

Step-by-step explanation:

(2-0)/(-1-0) = -1/2

2 = -1/2(-1) + b

2 = 1/2 + b

b = 3/2

5 0
2 years ago
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Name the adjacent angles in the following diagram
svlad2 [7]
<span>adjacent angles

m<BAC and m<CAD

answer: </span><BAC and <CAD (second choice)
7 0
2 years ago
When a number is increased by 40 % it gives 84. Find the original number
Julli [10]
I believe the answer is $33.60?
3 0
3 years ago
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Evaluate v(x)=12-2x-5 when x=-2,0, and 5 .<br><br> v(-2)= <br><br> v(0)= <br><br> v(5)=
Vaselesa [24]

Step-by-step explanation:

v(-2)= 12-2x(-2)-5

=12+4-5

=16-5

=11

v(0)= 12-2x0-5

= 12-0-5

=12-5

=7

v(5)= 12-2x5-5

= 12-10-5

=12-5

=7

<em><u>Hope </u></em><em><u>it </u></em><em><u>helps </u></em>

6 0
1 year ago
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