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Aleksandr [31]
3 years ago
9

Jane is making a suit which requires 2 5/8 yards for the jacket and 1 3/4 yards for the skirt. What’s the total amount of materi

als she needs
Mathematics
1 answer:
pickupchik [31]3 years ago
7 0
So when you have problems like this where there are two different fractions that dont directly go together, you find the common denominator or number on the bottom. So for these numbers it would be 16. 
You would multiply 8 by 2, and 4 by 4. Now that the denominators are the same, you would also multiply the numerator by the same amount as it's denominator. 
So now they would look like " 2 10/16 yards and 1 12/16. You now add these together to get:

4 6/16 yards. But you can't use this as an answer because it's not simplified, so you would try to get these fraction as low as possible, which in this case would look like 3/8

So the final answer would be 4 and 3/8 yards. I hope this helps :)
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Find the equation of the line of symmetry of y= (x+2)(x-8).​
Daniel [21]

Answer:

line of symmetry , x = 3

Step-by-step explanation:

Standard form of quadratic equation  is y = ax^2 + bx + c, where a, b, and c equal all real numbers. You can use the formula x = -b / 2a to find the line of symmetry.

y = (x+ 2)(x-8)\\\\y = (x^2 -8x + 2x -16)\\\\y = x^2 -6x -16

a = 1, b = -6, c = -16

Line of symmetry is ,

                           x = -\frac{b}{2a} = -\frac{-6}{2}  = 3

4 0
2 years ago
What is the basis of statistical inference
Sphinxa [80]

Answer:

Statistical inference is the process of using data analysis to deduce properties of an underlying probability distribution. Inferential statistical analysis infers properties of a population, for example by testing hypotheses and deriving estimates.

3 0
3 years ago
A 20 cm long thin wire is used to form a square. What is the area of the square?
sergij07 [2.7K]

Answer:

25cm^2

Step-by-step explanation:

A square has 4 equal sides so each side will be 20/4 = 5cm

Easily calculate the area by taking 5 x 5 = 25cm^2

6 0
2 years ago
What is the value of y in the equation 6.4x + 2.8y = 44.4, when x = 3?
Andrej [43]

Answer:

y = 9

Step-by-step explanation:

So if x = 3, we can sub that into the equation.

This gives us:

6.4 (* 3) + 2.8y = 44.4

so:

19.2 + 2.8y = 44.4

25.2 = 2.8y

so

y = 9

5 0
3 years ago
Read 2 more answers
Which best describes the graph of g(x) = 1/9 sq x<br> PICTURE DOWN BELOW
Alexus [3.1K]

Answer:

A) The graph of g(x) is shrunk vertically by a factor of 1/9

Step-by-step explanation:

The given graph g(x) = 1/9√x

f(x) = √x

The altitude of g(x) = 1/9

The altitude of f(X) = 1

When comparing the graph of g(x) with f(x), the graph of g(x) shrunk by 1/9 because of the altitude.

Here with I have attached the graph.

Therefore, answer: A) The graph of g(x) is shrunk vertically by a factor of 1/9

Thank you.

8 0
3 years ago
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