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Xelga [282]
1 year ago
13

What value of b will make thr solution for the equation below be 5?4(bx-3)=8(x-2)Can someone please help me out? I really don't

understand this.
Mathematics
1 answer:
FromTheMoon [43]1 year ago
5 0

For this kind of problem is nneded to replace a letter b by a numerical value. Thne find the missing variable x .

then replace b = 5 in equality

4(5x - 3) = 8 ( x-2)

now eliminate parenthesis, by PEMDAS method

4•5x - 3•4 = 8x - 8•2

20 x - 12 = 8x - 16

now reorganize letters and numerical values

20x - 8x = -16 + 12

12x = -4

then finally x= -4/12 = -1/3

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Austin is a human resources executive for a technology company. He is deciding between two types of plans for vacation allowance
ElenaW [278]

The question requires that we have to state the hypothesis:

null hypothesis;H0: u1 < u2, the alternate hypothesis;H1: u1 > u2. The one tail test is what is to be used.

<h3>A. How to state the hypothesis</h3>

H0: u1 < u2

H1: u1 > u2

The one tail test statistic is what is to be used here

<h3>B. standard error </h3>

\sqrt{\frac{30.8}{17} +\frac{6.1}{15} }

= 1.49

The df = 17 + 15 - 2

= 30

test statistic = 18.9 - 17.4 / 1.49

= 1.007

We have the critical value on excel as T.INV(0.9,30)

=  1.310

E. At 0.1, we can conclude that  t-value (1.007) does not lies in the rejection area. We fail to reject the null hypothesis. Hence we conclude that the mean vacation with the unlimited plan is greater.

Read more on statistics here brainly.com/question/7597734

#SPJ1

4 0
1 year ago
2) How many sides does a regular polygon have if the interior angles each measure 156 degrees ?
spayn [35]

Answer:

B;  15 sides

Step-by-step explanation:

8 0
2 years ago
The price of a cup of coffee was $2.65 yesterday. Today, the price fell to $2.30 . Find the percentage decrease. Round your answ
Semenov [28]
Percent change = change/original * 100
(2.65 - 2.30)/ 2.65    * 100
.35/2.65  * 100
13.2 % decrease
-13.2% if you need to write is as a negative
7 0
3 years ago
Write 1 and 1/5 and 1 and 1/3 using a common denominator :)
RUDIKE [14]

Answer:

1 3/15

1 5/15

Step-by-step explanation:

6 0
2 years ago
Combine the following sets of terms.
DanielleElmas [232]

Let's simplify step-by-step To understand :)

3x2−7x−(x2+3x−9)

Distribute the Negative Sign:

=3x2−7x+−1(x2+3x−9)

=3x2+−7x+−1x2+−1(3x)+(−1)(−9)

=3x2+−7x+−x2+−3x+9

Combine Like Terms:)

=3x2+−7x+−x2+−3x+9

=(3x2+−x2)+(−7x+−3x)+(9)

=2x2+−10x+9

Answer :)

=2x2−10x+9


HOPE THIS HELPS

3 0
3 years ago
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