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Bad White [126]
2 years ago
8

Jules kicks a soccer ball off the ground and into the air with an initial speed of 25 feet per second. Find how long it takes th

e soccer ball to hit the ground again.
Mathematics
1 answer:
Rzqust [24]2 years ago
3 0

Answer:

Maximum height=9.8 ft and Time taken by soccer ball will be 0.8 secs

Step-by-step explanation:

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5(-42/-7) + (-15) - (-3)​
siniylev [52]

Answer:

2058

Step-by-step explanation:

8 0
2 years ago
Based on the sample of 500 people, 42% owned cats. Calculate the test statistic. Round to two decimal places.
Tanzania [10]

Answer:

z= 3.63

z for  significance level = 0.05 is ± 1.645

Step-by-step explanation:

Here p = 42% = 0.42

n= 500

We formulate our null and alternative hypotheses as

H0: p= 0.42     against Ha : p> 0.42 One tailed test

From this we can find q which is equal to 1-p= 1-0.42 = 0.58

Taking p`= 0.5

Now using the z  test

z= p`- p/ √p(1-p)/n

Putting the values

z= 0.5- 0.42/ √0.42*0.58/500

z= 0.5- 0.42/ 0.0220

z= 3.63

For one tailed test the value of z for  significance level = 0.05 is ± 1.645

Since the calculated value does not fall in the critical region we reject our null hypothesis  and accept the alternative hypothesis that more than 42%  people owned cats.

4 0
3 years ago
Which equation represents a line which is parallel to the line 8y-3x=-8
marin [14]

First, we need to make the equation given to be in the form;

y=mx + b

where m is the slope and b is the intercept

8y - 3x = -8

Add 2x to both-side of the equation

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Divide through the equation by 8

y = 3/8 x -1

comparing the above with y =mx + b

m = 3/8

slope of parallel equations are equal

From the options given the only equation with slope 3/8 is;

y= 3/8 x + 8

y=\frac{3}{8}x\text{ + 8}

The above equation of the line is parallel to 8y - 3x = -8

7 0
1 year ago
How to multiply (x + 1)^3
ElenaW [278]
Solution is x+1
Hope this helps

8 0
3 years ago
Read 2 more answers
Which expression is equivalent to the expression shown (5^3) ^9 divided 5^12
weqwewe [10]

Answer:5 exponent of 15

Step-by-step explanation:trust

5 0
3 years ago
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