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choli [55]
3 years ago
5

What are the values of x and y ?

Mathematics
1 answer:
nlexa [21]3 years ago
4 0

Answer:

X=69 Y=69

Step-by-step explanation:

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Find the mean absolute deviation
pantera1 [17]
First find the mean (sum divided by number of values)
4+5+8+10+15=42
42/5=8.4
Then find the difference between each of the numbers and the mean.
4.4, 3.4, 0.4, 1.6, 6.6
Then find the mean of those values.
4.4+3.4+0.4+1.6+6.6=16.4
16.4/5=3.28
Final answer: 3.28
6 0
3 years ago
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A jet moving at constant speed traveled 6,600 km in 3 hours. What was the speed of the jet?
DanielleElmas [232]

Answer:

The speed of the jet is 2,200\frac{km}{h}

Step-by-step explanation:

The speed traveled by the jet can be found using the relationship between distance and time. Because the problem gives the values for distance and time, they must be replaced in the equation and in this way the requested speed will be found.

1. Write the general equation for the speed:

Speed=\frac{Distance}{Time}

2. Replace the values of distance and time on the general equation for the speed and make the mathematical operations:

Speed=\frac{6,600km}{3hours}

Speed=2,200\frac{km}{h}

Therefore the speed of the jet is 2,200\frac{km}{h}

3 0
3 years ago
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What is 3 1/4 - 2 1/2
sergiy2304 [10]
The answer is just do easy subtraction 3/4
6 0
2 years ago
Hey can you help me out (:
rusak2 [61]

Answer:

7

Step-by-step explanation:

first, plug in 3 for x:

7^2 / 3^2 - 2

then simplify:

49 / 9 - 2

49 / 7

7

7 0
3 years ago
Simplify 18.please help
Margarita [4]

Answer:

The third choice

3\sqrt{2}

Step-by-step explanation:

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3 years ago
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