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kicyunya [14]
3 years ago
7

an airplane can ascend a rate of 53 1/2 meters in 2/3 of a second. how many meters can the airplane ascend in one second

Mathematics
1 answer:
nalin [4]3 years ago
8 0
107 meters pretty sure anyway

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What is the variance of the following data? If necessary, round your answer to two decimal places. 17, 13, 13, 22, 11, 20
Bond [772]
Variance is the standard deviation squared but we're not going to use that now. Let's first calculate the mean:

mean = (17+13+13+22+11+20)/6 = 16.

Now for each value, let's see how far it is from this mean. We'll square these distances and average them. That's our variance.

17 distance 1 squared = 1
13 distance 3 squared = 9
13 distance 3 squared = 9
22 distance 6 squared = 36
11 distance 5 squared = 25
20 distance 4 squared = 16

Now average these outcomes:

variance = (1+9+9+36+25+16)/6 = 16.

So the variance by coincidence is the same as the mean.

Answer C is your answer.
7 0
3 years ago
Yeaaaaaaaaaa help plzzzzzzzzzz
Tju [1.3M]

Answer:

See Explanation

Step-by-step explanation:

Given

The attached graph

Required

Point on the line

The options are not given. So, I will provide general answers.

To do this, we simply write out the coordinates that lie on the line.

Some of them are:

(0.5,3)

(1.25,8)

(1.5,10)

8 0
3 years ago
Andrew purchased some drinks and some chips. Each bag of chips cost $2.00 and
skad [1K]

Answer:

2.5y=amount spent on drinks

Step-by-step explanation:

If chips are $2 and drinks are $2.50 and we do not know how many he bought of each, we put this into an equation which is

2x+2.5y

x=number of bags of chips while the 2 is two dollars per bag

so, if he bought 2 bags of chips 2(2)= $4 spent.

y= number of drinks and 2.5 is $2.5 per drink, so if he bought 4 drinks:

2.5(4)= $10 spent on drinks.

4 0
3 years ago
What is the value of y? 3(y 5)=–2y3(y 5)=–2y <br> a. –5 <br> b. –5 <br> c. –3 <br> d. –335?
prohojiy [21]
What are the values in (y 5) is it (y+5) or (y-5) i cannot answer until given the full problem.
4 0
3 years ago
What is 10/16 times 1/15
erica [24]
1/24
Hope this helps!
6 0
3 years ago
Read 2 more answers
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