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Brrunno [24]
3 years ago
13

Can someone help me with this problem

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
8 0

Answer:

d=16t squared

Step-by-step explanation:

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Llana [10]
This equation is not true. 
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3 years ago
Use the figure to find the measures of<br> &lt;1 and &lt;2
Romashka [77]
Angle 1 = 134
angle 2 = 46

explanation:
angle 1 is a supplementary with 46
angle 2 is alternate interior with 46
6 0
2 years ago
Newborn babies: A study conducted by the Center for Population Economics at the University of Chicago studied the birth weights
Fed [463]

Answer:

a) 615

b) 715

c) 344

Step-by-step explanation:

According to the Question,

  • Given that,  A study conducted by the Center for Population Economics at the University of Chicago studied the birth weights of 732 babies born in New York. The mean weight was 3311 grams with a standard deviation of 860 grams

  • Since the distribution is approximately bell-shaped, we can use the normal distribution and calculate the Z scores for each scenario.

Z = (x - mean)/standard deviation

Now,

For x = 4171,  Z = (4171 - 3311)/860 = 1  

  • P(Z < 1) using Z table for areas for the standard normal distribution, you will get 0.8413.

Next, multiply that by the sample size of 732.

  • Therefore 732(0.8413) = 615.8316, so approximately 615 will weigh less than 4171  

 

  • For part b, use the same method except x is now 1591.    

Z = (1581 - 3311)/860 = -2    

  • P(Z > -2) , using the Z table is 1 - 0.0228 = 0.9772 . Now 732(0.9772) = 715.3104, so approximately 715 will weigh more than 1591.

 

  • For part c, we now need to get two Z scores, one for 3311 and another for 5031.

Z1 = (3311 - 3311)/860 = 0

Z2 = (5031 - 3311)/860= 2  

P(0 ≤ Z ≤ 2) = 0.9772 - 0.5000 = 0.4772

  approximately 47% fall between 0 and 1 standard deviation, so take 0.47 times 732 ⇒ 732×0.47 = 344.

5 0
2 years ago
Which number from the set {5, 10, 15, 18} makes the equation true?
Vlada [557]

Answer

Letter B

Step-by-step explanation

x=10 because

2x{ 10}+ 3  =23

X{10} + 4= 14

23+ 14= 37

3 0
3 years ago
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A man buys an article for $600 and sells it for $710. what is his profit or loss<br><br>​
ololo11 [35]

Answer:

Profit of $110

Step-by-step explanation:

$710-$600=$110

6 0
2 years ago
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