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Evgen [1.6K]
3 years ago
12

Solve the simultaneous equations 2x + 3y = 24 2x + y = 16

Mathematics
1 answer:
Korvikt [17]3 years ago
3 0

Answer:

x = 6

y = 4

Step-by-step explanation:

16 - y + 3y = 24

y = 4

2x = 16 - 4

x = 6

(x, y) = (6,4)

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What is the median of 4.8 , 3.8 5.9 6.6 6.6 5.4 1.7 5.4 3.8 6.3 6 5.5 3.8 5.4 5.4 6.5​
bekas [8.4K]

Answer:

The median is 5.4

Step-by-step explanation:

To find the median, you must arrange the numbers from smallest to largest:

1.7, 3.8, 3.8, 3.8, 4.8, 5.4, 5.4, 5.4, 5.4, 5.5, 5.9, 6, 6.3, 6.5, 6.6, 6.6

Since there is an even number of values, we take the middle to values and find the average:

5.4 and 5.4

Since the middle values are 5.4 and 5.4, the average of the middle is 5.4, making the median 5.4

5 0
2 years ago
I need help with this
Xelga [282]

Somewhere you're given the equation for height as a function of time:

... h(t) = -16t² + v₀·t . . . . . . where v₀ is the initial vertical velocity in ft/s

For v₀ = 224, this becomes

... h(t) = -16t² + 224t

And this can be rewritten in vertex form as

... h(t) = -16(t² + 14t)

... h(t) = -16(t² + 14t +7²) +16·7² . . . . . complete the square (add the square of half the t coefficient inside parentheses; add the opposite of that amount outside parentheses)

... h(t) = -16(t +7)² + 784

The vertex of this downward-opening parabola is (7, 784), so ...

The rocket reaches its maximum height at 7 seconds.

The maximum height of the rocket is 784 feet.

4 0
3 years ago
Convert the first number to scientific notation, then add, show all work add~ 18,000,000+3.4x10 to the 7th power
gregori [183]
34000001.8 is the answer to this problem!
1.8000000+34000000!
8 0
3 years ago
Explain two ways to find the LCM​
svp [43]

Answer:

1. List the first several multiples of each number.

Look for multiples common to both lists. ...

Look for the smallest number that is common to both lists.

This number is the LCM.

Find the GCF for the two numbers.

Divide that GCF into the either number; it doesn't matter which one you choose, so choose the one that's easier to divide.

Take that answer and multiply it by the other number.

Step-by-step explanation:

Hope this helps!

4 0
3 years ago
Pls help me guys!<br> And Pls explains how you got the answer!<br> Thanks :D
ollegr [7]

Answer:

Its 8

Step-by-step explanation:

I know this because 8 is the only number they give you the other numbers they dont suply. Ps dont use my spelling and you might want to come up with a better answer. good luck

6 0
4 years ago
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