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trasher [3.6K]
2 years ago
15

2x+3y=9 -2x+2y=6 The y cordinate

Mathematics
1 answer:
Stella [2.4K]2 years ago
5 0

Answer:

y = 3

Step-by-step explanation:

<em>2x + 3y = 9</em>

<em>-2x + 2y = 6</em>

<em />

We have to add these two equations which gives us 5y = 15. Now, if you divide by 5 on both sides you get y = 3.

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3/2

this is the answer

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3 years ago
A worker has dug 5 holes for a fence post. It will take 20 minutes to dig each addional
anzhelika [568]

Answer:

it 100

Step-by-step explanation:

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5 0
2 years ago
3b +2f = 21.50 What is the Answer for B and F
Citrus2011 [14]

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable.

b=7.1¯6−2f/3

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5 0
3 years ago
:&gt;
nevsk [136]

#Personal computer:-

  • Total=480

Percent

\\ \bull\sf\dashrightarrow \dfrac{480}{1500}\times 100

\\ \bull\sf\dashrightarrow 32\%

#Pacemaker:-

\\ \bull\sf\dashrightarrow 0.26(1500)

\\ \bull\sf\dashrightarrow 390

#Wireless communication:-

\\ \bull\sf\dashrightarrow 0.18(1500)

\\ \bull\sf\dashrightarrow 270

#Television:-

Percent

\\ \bull\sf\dashrightarrow \dfrac{150}{1500}\times 100

\\ \bull\sf\dashrightarrow 10\%

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4 0
3 years ago
Read 2 more answers
Problem PageQuestion Tony estimated the height of his office building to be 45ft. The actual height of his office building is 41
Leona [35]

Answer:

The absolute error is <u>4 ft</u> and percent error of Tony's estimate is <u>9.8%</u>.

Step-by-step explanation:

Given:

Tony estimated the height of his office building to be 45ft. The actual height of his office building is 41ft.

Now, to find the absolute error and the percent error of Tony's estimate.

The height of his office building = 45ft.

The actual height of his office building = 41 ft.

So, to get the absolute error:

<em>The height of his office building - the actual height of his office building</em>

45\ ft-41\ ft\\=4\ ft.

The absolute error = 4 ft.

Now, to get the percent error of Tony's estimate:

\frac{4}{41} \times 100

=0.0975\times 100

=9.75\%.

<em>Percent error of Tony's estimate rounding to nearest tenth = 9.8%.</em>

Therefore, the absolute error is 4 ft and percent error of Tony's estimate is 9.8%.

5 0
3 years ago
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