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ivolga24 [154]
3 years ago
6

1. Simplify the expression below. 2(x + 2) + 3(-x-7) -5 ( 2x - 4)

Mathematics
1 answer:
MrMuchimi3 years ago
5 0

Answer: -11x+15

Step-by-step explanation: distributed property: 2x+2-3x-7-10x+20, -11x+15

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Please help i keep getting the wrong answers
Mrrafil [7]

Answer:

10 inches

Step-by-step explanation:

Surface Area = π R² + π R L [ L is Slant Height ]

200 π = π (10)² + π (10) L

200 π = π (100) + π (10) L

200 π - 100 π = 10 π L

100 π = 10 π L

100 π / 10 π = L

10 = L

L = 10 inches

Hope this Helps......

3 0
3 years ago
Read 2 more answers
PLEASE HELP! WILL MARK BRAINLIEST
Veseljchak [2.6K]

The value of x is 3, while the length of the rectangle is 30 units and the width is 24 units.

<h3>How to determine the dimensions?</h3>

The given parameters are:

Base = 5(x+3)

Height = 2(x+9)

Perimeter = 108

The perimeter of a rectangle is

P = 2 *(Base + Height)

So, we have:

2 *(5(x + 3) + 2(x + 9)) = 108

Divide both sides by 2

5(x + 3) + 2(x + 9) = 54

Open the brackets

5x + 15 + 2x + 18 = 54

Evaluate the like terms

7x = 21

Divide by 7

x = 3

Substitute x = 3 in Base = 5(x+3) and Height = 2(x+9)

Base = 5(3+3) = 30

Height = 2(3+9) = 24

Hence, the value of x is 3, while the length of the rectangle is 30 units and the width is 24 units.

Read more about perimeter at:

brainly.com/question/24571594

#SPJ1

5 0
1 year ago
An experiment requires the population of the bacteria to reach 2 million before the experiment can begin. The reproduction rate
Furkat [3]

Answer:

about 6 hours

Step-by-step explanation:

8( {7}^{x} ) = 2( {10}^{6} )

{7}^{x}  = 250000

x =  \frac{ ln(250000) }{ ln(7) }  = 6.39

6 0
2 years ago
Solve the system of equations y= x+2. Y=x^2+5x+6
Serggg [28]
This is already solved.
8 0
3 years ago
Read 2 more answers
If someone worked 10 :00 to 1:00 how many hours would they have worked
nirvana33 [79]
10 to 11 = 1 hr
11 to 12 = 1 hr
12 to 1 = 1 hr

total  = 3 hours
7 0
3 years ago
Read 2 more answers
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