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anzhelika [568]
3 years ago
6

In a normal distribution, a data value located 0.8 standard deviations below the mean has Standard Score: z =

Mathematics
1 answer:
Svetlanka [38]3 years ago
7 0

Answer:

z= a letter before y

Step-by-step explanation:

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Among all pairs of numbers with a sum of 105 , find the pair whose product is maximum. Write your answers as fractions reduced t
Bond [772]

Answer: Hence Pair( x, y) = [ 105/2, 105/2]

Step-by-step explanation:

Given that;

Among all pairs of numbers with a sum of 105;

the pair whose product is maximum = ?

so let pairs of numbers with a sum of 105 be x and y respectively

x + y = 105

let y = 105 - x

now

product = xy =  x( 105 - x ) = 105x - x²

now

p(x) = 105x - x²

for maximum value of p

dp/dx =0

⇒ dp/dx = 105 - 2x = 0

2x = 105

x = 105/2

y + x = 105

y = 105 - x

y = 105 - 105/2 = 105/2

Hence Pair( x, y) = [ 105/2, 105/2]

8 0
3 years ago
A cup of beans costs N160. How much
miv72 [106K]

Answer:

Below.

Step-by-step explanation:

The volume will be 3^3 = 27 times the volume of the small cup.

Answer is N160 * 27

= N4320.

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3 years ago
Which answer describes the type of sequence?<br><br><br> 99,89.9,78.8,68.7,.
morpeh [17]

Answer:

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Step-by-step explanation:

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What is the equation of the line that passes<br> through the points (3, 3) and (5, -9)?
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Answer:

y=3x-15

Step-by-step explanation:

8 0
3 years ago
Rewrite the expression 8×4×−2×3+8÷2 with parentheses to make this statement true: 8×4×−2×3+8÷2 = 25.
Margarita [4]

Answer:

Which statements are true about the figure? Select two options.

Line JM intersects line GK at point N.

Horizontal line G K intersects vertical line J M at point N, forming a right angle. A line extends from point N to L, down and to the right.

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3 years ago
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