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m_a_m_a [10]
3 years ago
5

a normal distribution with a mean of 85 and a standard deviation of 12. What is the proportion between 80 and 90? u =85 s =12. P

(80
Mathematics
1 answer:
Neko [114]3 years ago
4 0
I think the answer is 44
You might be interested in
Find the indicated unit rate.
Rom4ik [11]

Answer:

6,690 boxes per hour

Step-by-step explanation:

Given:

Number of boxes fill = 6,021

Time is taken = 0.9 hour

Find:

Number of boxes fill per hour

Computation:

Number of boxes fill per hour = Number of boxes fill (1 hour / Time taken)

Number of boxes fill per hour = 6,021 (1 hour / 0.9 hour)

Number of boxes fill per hour = 6,690

3 0
3 years ago
Help please! any1 know this​
FrozenT [24]

The area of square: s · s = s²

The area of rectangle: (s + 6) · s = s(s + 6)

So:

s² + s(s + 6) = 56

s² + s(s + 6) - 56 = 0

Answer D.

8 0
3 years ago
. The first side of a triangle is 3 m shorter than the second side. The third side is 4 times as long as the first side. The per
vitfil [10]
1st side = s
2nd side = s +3
3rd side = 4s

s + s + 3 + 4s = 27
6s  = 24
first side = 4
second side = 7
third side = 16


4 0
3 years ago
3/4 of a number is 24. What's the number?
Lady_Fox [76]
Hi

3x/4 = 24
3x = 24·(4)
3x = 96
x = 96/3
x = 32

3/4 of 32 is 24
4 0
3 years ago
What is x? <br><br> Thank you
zepelin [54]

Answer:

None of those answers are correct

Step-by-step explanation:

There are no real solutions

Let's solve your equation step-by-step.

2+2x−3

2x+3

=

3x+4

x+2

Step 1: Cross-multiply.

2+2x−3

2x+3

=

3x+4

x+2

(2+2x−3)*(x+2)=(3x+4)*(2x+3)

2x2+3x−2=6x2+17x+12

Step 2: Subtract 6x^2+17x+12 from both sides.

2x2+3x−2−(6x2+17x+12)=6x2+17x+12−(6x2+17x+12)

−4x2−14x−14=0

For this equation: a=-4, b=-14, c=-14

−4x2+−14x+−14=0

Step 3: Use quadratic formula with a=-4, b=-14, c=-14.

x=

−b±√b2−4ac

2a

x=

−(−14)±√(−14)2−4(−4)(−14)

2(−4)

x=

14±√−28

−8

Answer:

No real solutions.

8 0
3 years ago
Read 2 more answers
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