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djyliett [7]
3 years ago
12

What is the solution to the equation 2/3x+x = -1/3x+14?

Mathematics
1 answer:
BartSMP [9]3 years ago
8 0

Answer: x = -7/2 = -3.500

x = 2

Step-by-step explanation:

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Find the critical value z alpha/2 that corresponds to the given confidence level. ​81%
Karolina [17]

Critical values are basically cut-off values that indicate regions where the test statistic is unlikely to lie. The required critical value is 1.31.

<h3></h3><h3>What are critical Values?</h3>

Critical values are basically cut-off values that indicate regions where the test statistic is unlikely to lie; for example, if the null hypothesis is true, the critical value is surpassed with probability alpha.

The value of α can be written as,

α = 1 - 0.81 = 0.19

z_{\frac{\alpha}{2}} = \dfrac{0.19}{2}= 0.095

Now, using the z-table the value of z will be,

z = 1.31

Hence, the required critical value is 1.31.

Learn more about Critical Values:

brainly.com/question/14508634

#SPj

5 0
2 years ago
A 1-dollar bill is 6.14 inches long, 2.61 inches wide, and 0.0043 inch thick.
hammer [34]
Find volume of each bill and each room

v=lwh
vbill=6.14*2.61*0.0043=0.06890922 in^3

must convert room dimientions to inches
25*12=300in
23*12=276in
15*12=180in
Vroom=300*276*180=14904000in^3

now 1 billion bills

move decimal place over 9 places to right
1 million bills takes about 68909220 in^2

how many rooms to fit them all?
vbillionbills/v1room=number of rooms needed=
68909220/14904000=4.623
round to 1 deicmal
4.6 rooms needed (actually, it would be 5 since you can't use the 0.4 room left over very efficiently)



answer is 4.6 rooms


3 0
4 years ago
PLEASE HELP ME :C ...
schepotkina [342]

Answer:

B) a²-(2*4)

Step-by-step explanation:

Since we are looking for the gray area only, we need to find the total area of the figure, but subtract that from the area of the unshaded area.

The total area of the figure is a*a=a²

The area of the unshaded figure is 2*4=8 units^2

This means the gray area is a²-(2*4) units^2, making B correct

7 0
3 years ago
2/3 x -9/8 x -4/5 x -1
jolli1 [7]

-151/120x -1 or 1\120 × (-151x -120)

7 0
3 years ago
What is the midpoint of the line segment with endpoints at (-6, 3) and (-10, 7)?
Licemer1 [7]
The answer is A (-8,5)
3 0
3 years ago
Read 2 more answers
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