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Stells [14]
2 years ago
6

Simplify: a+2a+3a+4a

Mathematics
2 answers:
goldfiish [28.3K]2 years ago
8 0

Answer:

The answer is 10a

Step-by-step explanation:

Combine like terms first

a+2a+3a+4a

=(a+2a+3a+4a)


kolezko [41]2 years ago
5 0

Since all of these numbers have the same variable they can all be added up to get a sum of 10a which is its simplified form.

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3. At the start of summer, Ben has $250 . He takes a summer
earnstyle [38]

Answer:

Week 4

Step-by-step explanation:

Ben has $250 in the beginning.  He saves $150 per week.

y = 150x + 250

Tim has $1,650 in the beginning.  He spends $200 per week.

y = 1650 - 200x

We are trying to find which x-value produces the same y-value for both equations.  You can do this by setting both equations equal to each other.

150x + 250 = 1650 - 200x

(150x + 250) + 200x = (1650 - 200x) + 200x

350x + 250 = 1650

(350x + 250) - 250 = (1650) - 250

350x = 1400

(350x)/350 = (1400)/350

x = 4

By week 4, they will have the same amount of money.

3 0
3 years ago
In ΔSTU, s = 150 cm, t = 430 cm and u=470 cm. Find the measure of ∠U to the nearest degree.
STALIN [3.7K]

Answer: 96∘

Step-by-step explanation:

4 0
3 years ago
Waht is this plz help ​
Nata [24]

Answer:

The answer is 10 and 37 degrees.

Step-by-step explanation:

Triangle angles add up to 180.

I hope this helped and if it did I would appreciate it if you marked me Brainliest. thank you and have a nice day!

5 0
2 years ago
What is the gradient of the straight line 2y = -3x - 8 ? ​
lions [1.4K]

Answer:

- \frac{3}{2}

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope (gradient) and c the y- intercept )

Given

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y = - \frac{3}{2} x - 4 ← in slope- intercept form

with gradient = - \frac{3}{2}

8 0
2 years ago
What could explain what happened when the time was equal to 120 minutes
tensa zangetsu [6.8K]

Answer:

Step-by-step explanation:

Alright, lets get started.

Lets split the given graph in three parts.

First part: 0 to 30 minutes

We can see between this period, 0 to 30 minutes, the distance from home keeps increasing. It means from 0 to 30 minutes, Eli is moving towards the library.

Second part: 30 to 120 minutes

between 30 to 120 minutes,the distance from home does not changes. It means during this period, Eli is at the library.

Third part : 120 minutes to 135 minutes

Between 120 to 135 minutes, the distance from home is decreasing.

It means Eli is returning home in that period.

It means, at 120minute, Eli started her bicycle , home from the library. Hence option (b)     :    Answer

Hope it will help :)

5 0
3 years ago
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