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Paladinen [302]
3 years ago
6

Decrease 50 by 60% please

Mathematics
1 answer:
Whitepunk [10]3 years ago
8 0

Answer:

50, percentage decreased by 60% (percent) of its value = 20

Step-by-step explanation:

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Write an algebraic expression for eight less than four times a number
natta225 [31]

4x - 8, 4x just means four of x, and eight less means to subtract 8.

4 0
4 years ago
A triangle has a perimeter of 13x-21 units. One side is 4x+3 units. The other side is 5x-8 units. Write an expression to find th
Zepler [3.9K]

Answer:

4x - 16

Step-by-step explanation:

A triangle is a three sided polygon with three edges and three vertices. the sum of angles in a triangle is 180 degrees

the perimeter of a triangle = sum of the side lengths

let the unknown length be represented with y

13x  - 21 = 4x + 3 + 5x - 8 + y

13x- 21 = 9x - 5 + y

Make y the subject of the formula

13x - 21 - 9x + 5 = y

4x - 16 = y

the side length = 4x - 16

7 0
3 years ago
A.(0,-3)<br> B.(3,0)<br> C.(0,3)<br> D.(-3,0) <br> Help please
Vinvika [58]

Answer:

Step-by-step explanation:

the solution to the system

= find the intersection of two lines

method( one )

solve the equations ( find(x , y) )

( 1 ) y = -x +3

( 2 ) y = x - 3

now , we let ( 1 ) + (2 )

we have 2y =0  ,thus y = 0

from ( 1 ) y = - x +3 , we know y = 0  ,

we rewrite ( 1 ) as 0 = -x + 3,thus x = 3

method( two)

see the intersection point of two lines

so the ans is B.(3 , 0)

6 0
3 years ago
Select all the true statements.
katovenus [111]

Answer:

D. -2.6-(-12) is positive

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7 0
3 years ago
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USPshnik [31]

Answer:

c) 2x⁵ + 11x³ - 5x²

Step-by-step explanation:

f(x) - g(x) = 2x⁵ + 7x³ - (-4x³ + 5x²)

=  2x⁵ + 7x³ + 4x³ - 5x²

= 2x⁵ + 11x³ - 5x²

8 0
4 years ago
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