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Semenov [28]
3 years ago
9

(11x + 2y) - (5x – y)

Mathematics
1 answer:
omeli [17]3 years ago
5 0

Answer:

the answer is 6x+3y

Step-by-step explanation:

\mathrm{Remove\:parentheses}:\\=11x+2y-\left(5x-y\right)\\\\-(5x-y): -5x+y\\=11x+2y-5x+y\\Simplify:\\11x+2y-5x+y: 6x+3y\\\\=6x+3y

hope this helps :)

Try using Symbolab, I use it all the time it gives the correct answer and it gives good explanations.

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Please answer me this question ​
Jobisdone [24]

Answer:

x = 2

y = 3

Step-by-step explanation:

\left \{ {{0.4x + 0.3y = 1.7} \atop {0.7x - 0.2y = 0.8}} \right.

\left \{ {{2(0.4x + 0.3y) = 2 * 1.7} \atop {3(0.7x - 0.2y) = 3 * 0.8}} \right.

\left \{ {{0.8x + 0.6y = 3.4} \atop {2.1x - 0.6y) = 2.4}} \right.

2.9x = 5.8

29x = 58

x = 2

0.3y + 0.4x = 1.7

0.3y + 0.4 * 2 = 1.7

0.3y + 0.8 = 1.7

0.3y = 0.9

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y = 3

4 0
2 years ago
Can someone help me? this is extremely important for me to complete!
Nataliya [291]

Answer:

Question 1: A,B,D,F

Queation2: the order is 2,3,1

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Step-by-step explanation:

8 0
3 years ago
A flower bed in your yard is in the shape of a right triangle. The perpendicular sides of the bed measure 14 feet and 11 feet. C
aev [14]

The area of the flower bed is 77 square feet

<h3>How to determine the area?</h3>

The given parameters are:

  • Shape = Triangle
  • Perpendicular sides = 14 feet and 11 feet

The area of the flower bed is calculated as:

Area = 0.5 * Product of perpendicular sides

So, we have:

Area = 0.5 * 14 * 11

Evaluate

Area = 77

Hence, the area of the flower bed is 77 square feet

Read more about areas at:

brainly.com/question/24487155

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3 0
1 year ago
Find an expression equivalent to 1-sinx ^2/1-cosx ^2
madam [21]

Answer:

cot²x

Step-by-step explanation:

Using the identity

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1 - cos²x = sin²x

Thus

\frac{1-sin^2x}{1-cos^2x} = \frac{cos^2x}{sin^2x} = cot²x

8 0
3 years ago
Please show ur work
Fiesta28 [93]
B. 1/7 i just took the test and thats what i got hope it helps


3 0
3 years ago
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