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TiliK225 [7]
3 years ago
8

Simplify to create an equivalent expression. −4(−11+4n)−3(−2n+9)

Mathematics
2 answers:
solmaris [256]3 years ago
5 0

-4(-11 + 4n) - 3(-2n + 9) Given

44 - 16n + 6n - 27 Distributive property

17 - 10n Combine like terms

17 - 10n is our final answer. :)

Jlenok [28]3 years ago
4 0

Answer:  The required simplified expression is 17-10n.

Step-by-step explanation:  We are given to simplify and create an equivalent expression from the following expression :

E=-4(-11+4n)-3(-2n+9)~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)

To simplify the given expression, we need to evaluate the brackets first.

The simplification of expression (i) is as follows :

E\\\\=-4(-11+4n)-3(-2n+9)\\\\=44-16n+6n-27\\\\=17-10n.

Thus, the required simplified expression is 17-10n.

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The length of a rectangle is times the width. If the perimeter is 32 inches, what is the width of the rectangle
o-na [289]
Let width be “w", length = “l" and perimeter = p

Then l = 3w-4

Perimeter = 2(w+l)

p = 2(w+3w-4) = 2w+6w-8 = 8w-8

Perimeter is 32…

8w-8 = 32

8w = 32+8

8w = 40

w = 5

l = (3×5)-4 = 11

Check… p = 2(5+11) = 2 × 16 = 32

Ans = length is 11

Hope it helps!
5 0
3 years ago
Read 2 more answers
Find the coordinates of P so that P partitions AB in the ratio 3:4 with A(-9,-9) and B(5,-2).
ivolga24 [154]

The coordinates of point P are (-3 , -6)

Step-by-step explanation:

If point (x , y) partitions line AB where A = (x_{1},y_{1}) and B = (x_{2},y_{2})

at a ratio m_{1}:m_{2} from A then:

1. x=\frac{x_{1}m_{2}+x_{2}m_{1}}{m_{1}+m_{2}}

2. y=\frac{y_{1}m_{2}+y_{2}m_{1}}{m_{1}+m_{2}}

∵ P partitions AB in the ratio 3 : 4

∴ m_{1}:m_{2} = 3 : 4

∵ A = (-9 , -9) and B = (5 , -2)

- Substitute the coordinates of points A and B in the rules above

∵ x=\frac{(-9)(4)+(5)(3)}{3+4}

∴ x=\frac{-36+15}{7}

∴ x=\frac{-21}{7}

∴ x = -3

The x-coordinate of P is -3

∵ y=\frac{(-9)(4)+(-2)(3)}{3+4}

∴ y=\frac{-36+(-6)}{7}

∴ y=\frac{-42}{7}

∴ y = -6

The y-coordinate of P is -6

The coordinates of point P are (-3 , -6)

Learn more:

You can learn more about the mid-point of a segment in brainly.com/question/5223123

#LearnwithBrainly

5 0
4 years ago
Find the area of the figure:<br> Please show your work too \(^v^)/
butalik [34]

Answer:

15000

Step-by-step explanation:

draw diagonal and  make 2 traignles solve for the area of each one add them together

7 0
4 years ago
Read 2 more answers
How do I answer this question?
gavmur [86]
This question answered is corect

3 0
3 years ago
The formula for the perimeter, P, of a rectangle is P = 2L + 2w, where L is the length and W is th width sovle the formula for t
vichka [17]

                                 P  =  2L + 2w

Subtract  2L
from each side:          P - 2L  =  2w

Divide each side
by  2 :                        (P - 2L) / 2  =  w

You could also write it as      (P/2  -  L)  =  w
Both answers are the same.

4 0
3 years ago
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