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icang [17]
3 years ago
6

Factorise 2-y(7-5y) please

Mathematics
1 answer:
hjlf3 years ago
5 0
Answer:
(y - 1)(5y - 2)

Solution:

Factor:
2 - y(7 - 5y)

Apply the Distributive Property:
2 - 7y + 5y²

Reorder the expression:
5y² - 7y + 2

Rewrite the term:
5y² - 5y - 2y + 2

Regroup terms into two proportional parts:
(5y² - 5y) + ( -2y + 2)

Factor Greatest Common Factors out:
5y(y - 1) - 2(y - 1)
(y - 1)(5y - 2)
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Is <img src="https://tex.z-dn.net/?f=y%20%3D%20x%5E%7B2%7D" id="TexFormula1" title="y = x^{2}" alt="y = x^{2}" align="absmiddle"
Ratling [72]

Answer:

No

Step-by-step explanation:

A linear equation is an equation of a straight line, which means that the degree of a linear equation must be

0 or 1 for each of its variables. In this case, the degree of variable y is 1

and the degree of variable x is 2.

Not Linear

8 0
3 years ago
What does the letter q equal
Lady_Fox [76]

Step-by-step explanation:

11 + 3q = 15 + 2q

3q + 11 - 2q = 15

3q - 2q = 15 - 11

q = 4

5 0
2 years ago
A suit case measures 24 inches long and the diagonal is 26 inches long. How much material is needed to cover one side of the sui
ASHA 777 [7]

It helps to draw diagrams when working through problems like this.  

Given a rectangular prism (the suitcase), drawing a diagonal through its side will give you two right triangles.  You can use the Pythagorean Theorem (a² + b² = c², where c is the hypotenuse of a right triangle) to find the length of the unknown side.  The hypotenuse of the triangle is the diagonal since it is the longest side, and it is opposite the right angle.

a² + b² = c²

a² + 24² = 26²

a² + 576 = 676

a² = 100

a = 10 in

Remember that this is only the side length of the triangle.  To find the amount of material needed to cover one side of the suitcase, we need its area.  We can find the area using the formula for area of a rectangle: A = bh.

A = bh

A = 10*24

A = 240 in²

<h3>Answer:</h3>

240 in²

8 0
3 years ago
How many months would it take to get 80 pair of shoes if i have 14 shoes and get 3 pair a month
Allushta [10]

\text{Hello there!}\\\\\text{Turn the question to an equation using y=mx+b:}\\\\80=3x+14\\\\\text{Solve:}\\\\80=3x+14\\\\\text{Subtract both sides by 14}\\\\66=3x\\\\\text{Divide both sides by 3}\\\\22=x\\\\\boxed{\text{Answer: 22 months}}

4 0
4 years ago
1,580 milliliters (mL) is equal to how many liters (L)?
Andrej [43]

Answer:

1.58 liters

Step-by-step explanation:

3 0
3 years ago
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