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2 years ago

How do you do this and what is it called

Mathematics

1 answer:

vivado [14]2 years ago

5 0

Answer:

factorization

Step-by-step explanation:

it is called factorization try to go through your mathematics note book you would understand

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Solve each system by substitution. -5x + 3y = 3 and -4x + y = 1

taurus [48]

$\left\{\begin{array}{ccc}-5x+3y=3\\-4x+y=1&|\text{add 4x to both sides}\end{array}\right\\\\\left\{\begin{array}{ccc}-5x+3y=3\\y=4x+1&(*)\end{array}\right\\\\\text{Substitute }\ (*)\ \text{to the first equation}\\\\-5x+3(4x+1)=3\qquad\text{use distributive property}\\\\-5x+(3)(4x)+(3)(1)=3\\\\-5x+12x+3=3\qquad\text{subtract 3 from both sides}\\\\7x=0\qquad\text{divide both sides by (-5)}\\\\\boxed{x=0}\\\\\text{Substitute the value of x to}\ (*):\\\\y=4(0)+1\\y=0+1\\\boxed{y=1}\\\\Answer:\ x=0\ and\ y=1.$

5 0

2 years ago

Find the midpoint of line segment HX with coordinates H(-1,3) and X (7, -1).

viva [34]

Answer:

OK midpoint is actually really easy I got u

Step-by-step explanation:

X2+X1 divided by 2

Y2+Y1 divided by 2

7+-1/2 is 6.5

-1+3/2 is 0.5

(6.5,0.5)

5 0

2 years ago

On a fruit farm 1/3 of the trees are apple trees and 1/5 are lemon trees. The rest are fig trees. There are 90 trees in all.

Vaselesa [24]

Answer:

I'm not sure what the question was but I've worked out all the three types of trees

Step-by-step explanation:

⅓ + ⅕ = 8/15 because:

×5 ×3

5/15 + 3/15 = 8/15

therefore 7/15 is fig trees

90÷15 =6

6×5 = 30 apple trees

6×3 = 18 lemon trees

6×7 = 42 fig trees

7 0

2 years ago

Which of the following is always true about a parallelogram?

dusya [7]

The answer is A. all sides are congruent hope this helps! :)

<h2>-CloutAnswers</h2>

6 0

2 years ago

Mary is making some shirts for her school's drama department. The fabric store has yards of the fabric she wants in stock. But t

pashok25 [27]

Answer: she will need 4 yards of fabric to make 2 shirts

7 0

2 years ago