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11111nata11111 [884]
3 years ago
12

What is 2(x+10)=2(3x-8)

Mathematics
2 answers:
Julli [10]3 years ago
7 0

Answer:

x = 9

Step-by-step explanation:

2(x+10)+2(3x)-8    Distribute

2x+20=6x-16      Subtract like terms

20=4x-16     Add 16 on both sides since it negative

36=4x        Divide 4 on both sides

x=9

Mrac [35]3 years ago
3 0

Answer:

x=9

Step-by-step explanation:

we can start by using the distributive property

so then

2x+20=6x-16

we now need to move the variables to one side and the numbers to the other

-4x=-36

x=9

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Match the graph with the correct equation
tatyana61 [14]
<h3>Answer: Choice D) </h3>

y + 2 = -(x - 4)

============================================

Explanation:

The slope of this line is -1 because each time we move down 2 units, we move to the right 2 units. So slope = rise/run = -2/2 = -1

The slope formula says the same thing more or less. Let's pick the two points (0,2) and (2,0) to find the slope through them

m = (y2-y1)/(x2 - x1)

m = (0-2)/(2-0)

m = -2/2

m = -1

-------------

Using that slope and a point on the line, we can form the equation. We can pick any point really as long as it's on the line. However, to have it match with the answer choices, we'll have to pick the point (4,-2)

Turn to point slope form

y - y1 = m(x - x1)

y - y1 = -1(x - x1) ... plug in the slope

y  - (-2) = -(x - 4) ... plug in the point (x1,y1) = (4, -2)

y + 2 = -(x - 4)

4 0
3 years ago
It took every 55 minutes to run a 10-meter race last weekend. If you know that 1 kilometer equals 0.621 mile, how many minutes d
Umnica [9.8K]
Velocity=distance/time
Data:distance=10 Km=10 km*(0.621 miles/1 km)=6.21 miles.time=55 minutes
Velocity=6.21 miles/55 minutes=0.11290909... miles/minute≈0.113 miles/ minute
Data: distance=1 mile.velocity=0.113 miles/minute
time=distance /velocitytime=(1 mile) / (0.113 miles/ minute)=8.85668... minutes≈8.86 minutes. 
Answer: D 8.86 minutes. 


7 0
4 years ago
Michal yard is 320 acres if he mowed 2/5 of his yard on friday how many acres does he have left to mow on saturday P.S you get 2
77julia77 [94]
I92 because that is how many archers he has left for the next day.
5 0
3 years ago
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The equation to model Exponential Growth is:
abruzzese [7]

Your salary in x years is modeled an the exponential growth

The equation that determines your salary in x years is y = 45000(1.05)^x

<h3>How to model the salary growth?</h3>

The model of the exponential growth is given as:

y = a(1 + r)^x

From the question, we have:

Initial salary, a = 45000

Raise, r = 5%

So, the equation becomes

y = 45000(1 + 5%)^x

Evaluate the sum

y = 45000(1.05)^x

Hence, the equation that determines your salary in x years is y = 45000(1.05)^x

Read more about exponential functions at:

brainly.com/question/11464095

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