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lubasha [3.4K]
3 years ago
8

2+y+y+y+y+y+3 I need multiple answers plz and thanks

Mathematics
2 answers:
rodikova [14]3 years ago
8 0

Answer:

5y + 5

5(y + 1)

Step-by-step explanation:

2+y+y+y+y+y+3 = 5y + 5 = 5(y + 1)

Ahat [919]3 years ago
8 0

Answer:

5(1+у)

Step-by-step explanation:

2+3+у+у+у+у+у= 5+5у=5(1+у)

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The length of a rectangle is 2 units more than the width. The area of the rectangle is 63 units. What is the length, in units, o
Keith_Richards [23]

Answer:

Length = 9units

Width = 7units

Step-by-step explanation:

It is said that the length is 2units more than the width

Assume that the width is x, then the length will be 2 + x

ie

Width = x

Length = 2 + x

Area of the rectangle = 63units

Area of rectangle = l * b

l - length of the rectangle

b - width of the rectangle

A = l * b

63 = (2 + x) * x

63 = ( 2 + x) x

63 = 2x + x^2

Let's rearrange it

x^2 + 2x - 63 = 0

Let's find the factor of 63

A factor that can be multiplied to give -63 and that can be added to give +2

Let's use -7 and +9

x^2 - 7x + 9x - 63 = 0

Separate with brackets

( x^2 - 7x) + ( 9x - 63) = 0

x( x - 7) + 9(x - 7) = 0

( x + 9)(x - 7) = 0

( x + 9) = 0

( x - 7) = 0

x + 9 = 0

x = -9

x - 7 = 0

x = 7

Note: the length of a rectangle can not be negative

So therefore,

x = 7

Length = 2 + x

= 2 + 7

= 9units

Width = x

= 7units

7 0
3 years ago
5 times the difference between 19 and 13
BaLLatris [955]
5 times 19-13 would equal 30 as 19-13 is 6 times 5 =30
6 0
3 years ago
Hello i need help with question 5 asap!!
sergeinik [125]

Answer:

  arc DB length = 14π feet

Step-by-step explanation:

Assuming point A is the center of the circle, arc DC has measure 180°. Arc DB has measure 40° less, so is 140°. Since you want this in terms of π, we need to convert the degree measure to radians. We do that by multiplying by (π/180) radians per degree:

  arc DB = 140° = 140°(π/180°) radians

__

Now that we know the arc measure in radians, we can find the length of the arc. It is given by the formula ...

  s = rθ

where r represents the radius and θ is the measure of the arc in radians.

The arc length is ...

  s = (18 ft)(7π/9) = 14π ft

Arc DB has a length of 14π feet.

4 0
4 years ago
kirk has 42 pieces has 42 of candy to divide evenly between his three children.if he puts the pieces into three boxs,how much pi
Ivanshal [37]
14 pieces of candy are in each box.
4 0
4 years ago
Read 2 more answers
Someone please help me I suck @ simplifying thank you
Degger [83]
Or the other is 1/6
3 0
3 years ago
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