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Rom4ik [11]
2 years ago
9

Find the values of a and b if,ab=12 and a+b=7​

Mathematics
2 answers:
Andreyy892 years ago
7 0

Answer:

Given

Ab = 12

A+b = 7

As a + b = 7,

A and b must be less than 7

A =6

B =2

Ab = 12

6 x 2 = 12

6, 2 < 7

Step-by-step explanation:

Hope this helps

Nikitich [7]2 years ago
7 0
The answer can also be 4 and 3
4x3=12
4+3=7
a<7
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Which relation is a function?
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Helen got a 7% reduction in the price of a pair jeans that are normally $32. What is the approximate percent in the price?
adoni [48]

A percentage is a way to describe a part of a whole. The approximate percent decrease in the price is 21.87%, thus, the correct option is B.

<h3>What are Percentages?</h3>

A percentage is a way to describe a part of a whole. such as the fraction ¼ can be described as 0.25 which is equal to 25%.

To convert a fraction to a percentage, convert the fraction to decimal form and then multiply by 100 with the '%' symbol.

Given the reduction in the price is $7, while the original cost is $32. Therefore, the approximate percent decrease in the price is,

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Hence, the approximate percent decrease in the price is 21.87%, thus, the correct option is B.

The correct question is:

Helen got a $7 reduction in the price of a pair of jeans that are normally $32. What is the approximate percent decrease in the price?

The percent decrease is approximately 15%.

The percent decrease is approximately 21%.

The percent decrease is approximately 43%.

The percent decrease is approximately 78%

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brainly.com/question/6972121

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7 0
1 year ago
Write an exponential function to model the situation.A population of 300 animals decreased at an annual rate of 22%
erastovalidia [21]

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year 2: y = (300 * 0.78) * 0.78 = 300 * (0.78)^2

year 3: y = ((300 * 0.78) * 0.78) * 0.78 = 300 * (0.78)^3

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4 0
3 years ago
Please help me with this math question
qwelly [4]
9cm

Imagine there are 2 triangles solve for one 3*3=9\2=4.5

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