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4vir4ik [10]
3 years ago
10

Pls help with this algebra

Mathematics
1 answer:
julia-pushkina [17]3 years ago
8 0

Hello There!

<u>The answer is...</u>

<u />

<u />a =-\frac{5}{12}<u />

<u />

HERE'S A EXPLAINANTION!

Add \frac{1}{5} both sides...

-\frac{1}{5} -\frac{4}{5}a+\frac{1}{5} =\frac{2}{15} +\frac{1}{5}

Simplify:

-\frac{4}{5}a=\frac{1}{3}

Multiply 5 by both sides

5(-\frac{4}{5}a=\frac{1 . 5}{3}  )

Simplify again:

-4a=\frac{5}{3}

Divide -4 by both sides:

\frac{-4a}{-4}=\frac{5/3}{4}

Simplify again..:

a =-\frac{5}{12}

Hopefully, this helps you!!

AnimeVines

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A bicycle that usually sells for $230 is on sale for 25% off. find the sale price.
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$172.50

Step-by-step explanation:

Simply do 230 x 0.75 which is the percent subtracted by 25 that decreases a value and makes it less

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The average value of the function y = x² – 1 on [0, 12] is
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47.

Step-by-step explanation:

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f_{avr}=\frac{1}{b-a} \int\limits^b_a {f(x)} \, dx ,

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2) according to the rule above:

f_{avr}=\frac{1}{12-0} \int\limits^{12}_0 {(x^2-1)} \, dx=\frac{1}{12}(\frac{x^3}{3}-x)|^{12}_0=48-1=47.

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2 years ago
A smart phone manufacturer wants to determine the average battery time that it’s new smart phone will get. The manufacturer will
sasho [114]

Answer:

Note: <em>The full question is attached as picture below</em>

<em />

1. The manufacturer is taking a sample of her friends, which is most convenient to sample - Convenience sampling

2. The whole population is divided into different groups (strata) and random samples are drawn from each group - Stratified sampling

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7 0
2 years ago
PLEASE HELP!! Which equation matches the table of values?
RoseWind [281]

The equation that represents the table of values is y=(\frac{1}{4})^x

Step-by-step explanation:

We need to find the equation that matches the table of values.

x y

0 | 1

1 | 1/4

2 | 1/16

3 | 1/64

So, when x =0 y=1 and when x=1, y=1/4

if y=(\frac{1}{4})^x

then putting x=0 we get y=1

x=1, we get y=1/4

x=2, we get y=1/16

x=3, we get y=1/64

So, the equation that represents the table of values is y=(\frac{1}{4})^x

Kindly check your options, as option D should be y=(\frac{1}{4})^x

Keywords: Solving Equations

Learn more about Solving Equations at:

  • brainly.com/question/1563227
  • brainly.com/question/2403985
  • brainly.com/question/11229113

#learnwithBrainly

5 0
3 years ago
Read 2 more answers
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