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mart [117]
4 years ago
13

100 people were asked to estimate the length of one minute. their estimates were normaly distributed with a mean time of 60 seco

nds and a standard deviation of 4 seconds
Mathematics
1 answer:
Alika [10]4 years ago
6 0

Im super sorry my hand slipped dont quit

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2x +12 - 8x - 7= -10x + 2 + 4x +3.
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Step-by-step explanation:

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3 years ago
What’s the answer? Because I can’t find it out myself
11Alexandr11 [23.1K]

Answer: 1, 5, 2

All you do is subtract 3 from the y

7 0
3 years ago
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Simplify the following expression: (−4)(−2)(−3)<br><br> a) −24<br> B) −11<br> C) 11<br> d)24
professor190 [17]
D
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7 0
3 years ago
Solve the following equation. 6x−15=4x+55 6 x − 15 = 4 x + 55
algol [13]

Answer:

x = 35

Step-by-step explanation:

Solve for x:

6 x - 15 = 4 x + 55

Hint: | Move terms with x to the left hand side.

Subtract 4 x from both sides:

(6 x - 4 x) - 15 = (4 x - 4 x) + 55

Hint: | Combine like terms in 6 x - 4 x.

6 x - 4 x = 2 x:

2 x - 15 = (4 x - 4 x) + 55

Hint: | Look for the difference of two identical terms.

4 x - 4 x = 0:

2 x - 15 = 55

Hint: | Isolate terms with x to the left hand side.

Add 15 to both sides:

2 x + (15 - 15) = 15 + 55

Hint: | Look for the difference of two identical terms.

15 - 15 = 0:

2 x = 55 + 15

Hint: | Evaluate 55 + 15.

55 + 15 = 70:

2 x = 70

Hint: | Divide both sides by a constant to simplify the equation.

Divide both sides of 2 x = 70 by 2:

(2 x)/2 = 70/2

Hint: | Any nonzero number divided by itself is one.

2/2 = 1:

x = 70/2

Hint: | Reduce 70/2 to lowest terms. Start by finding the GCD of 70 and 2.

The gcd of 70 and 2 is 2, so 70/2 = (2×35)/(2×1) = 2/2×35 = 35:

Answer: x = 35

3 0
3 years ago
I need help on this.
SpyIntel [72]

Answer:

a) answered in the image attached

b) y=2.75x+3.50

c) y=2.75(5)+3.50

   y=17.25

4 0
3 years ago
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