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Brrunno [24]
4 years ago
14

A cheetah runs 108 meters in 4 seconds. How far can the cheetah run in 9 seconds?

Mathematics
2 answers:
Lesechka [4]4 years ago
5 0
I believe the answer is 243
Harlamova29_29 [7]4 years ago
5 0

Answer:

Step-by-step explanation:

It moves 108m in 4sec

Than in 1sec it moves 108/4m= 27m

And in 9sec it will move 27×9m

= 243m

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Simplify (x - y + 1) - (x + y - 1)
andrey2020 [161]
First, distribute the minus sign across the second set. So you have:

x - y + 1 - x - y + 1

Now, we combine like terms:
x-x=0
-y-y=-2y
1+1=2

So we have -2y+2

Hope that helps.
5 0
4 years ago
Suppose the average math SAT score for students enrolled at local community college is 490.4 with a standard deviation of 63.7.
lakkis [162]

Answer:

Option B) 9.1      

Step-by-step explanation:

We are given the following in the question:

Average score = 490.4

Standard deviation = 63.7

Sample size, n = 49

Formula:

=\dfrac{\sigma}{\sqrt{n}}

Putting values, we get,

Standard error =

=\dfrac{\sigma}{\sqrt{n}} = \dfrac{63.7}{\sqrt{49}} = 9.1

Thus, the correct answer is

Option B) 9.1

8 0
3 years ago
Geometry help ASAP!!!! Not sure why the answer options are vertical, but oh well.
natita [175]

Answer:

114


Step-by-step explanation:


3 0
3 years ago
Read 2 more answers
How can you represent the system of inequalities with a matrix? 11x-12y=7 5x+12y=-7
Ahat [919]

\left[\begin{array}{ccc}11&-12&7\\5&12&-7\end{array}\right]


4 0
3 years ago
Phil made 25% more cookies than Matt
pochemuha
72.00/0.25 = 288 then 288/2 = 144 and you would then do 1.25 x 144 = 180,
Phil baked 180 cookies
6 0
3 years ago
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