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Blababa [14]
3 years ago
11

Construct a mathematical inequality or equation to express the following sentence:

Mathematics
2 answers:
Sati [7]3 years ago
8 0
X - 2 = (1/2)x + 6
x = (1/2)x + 8
(1/2)x = 8
x = 16
nydimaria [60]3 years ago
8 0
Let the number be x.

x - 2 =  (x/2) + 6

Let us go ahead and solve the equation.

x - x/2 = 6 + 2

x/2 = 8

x = 2*8

x = 16

So the number is 16.

Hope this explains it.
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Evaluate 5Y -8 when Y equals five
defon
The answer is 17 because 5 times 5 is 25. 25 minus 8 is 17.
7 0
3 years ago
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Two numbers have a sum of -9. One number is x. What expression represents the other number?
Anika [276]
Assume that the other number is y.
we know that the addition of both number is -9
this means that:
x+y=-9
reorder this equation to seperate the y variable:
y=-9-x
3 0
3 years ago
Evaluate the expression when a=-2 and x=6. \<br><br> 4x-a
Digiron [165]

Answer:

26

Step-by-step explanation:

Given

4x - a ← substitute a = - 2, x = 6 into the expression

= 4(6) - (- 2) [ note - (- ) is equivalent to + ]

= 24 + 2

= 26

4 0
3 years ago
Carmen runs a video to DVD transfer business. She charges her customers $20.40 for each video transferred. Her expenses include
vovangra [49]

Answer:

A. p = $17.95n - $1,250.00

Step-by-step explanation:

Profit (p) = net revenue - expenditure

Net revenue = charge for transfer of n videos - expense for n blank DVD

charge per video transfer = $20.40

charge for n video transfer = $20.40 × n = $20.40n

expense per blank DVD = $2.45

expense for n blank DVD = $2.45 × n = $2.45n

Net revenue = $20.40n - $2.45n = $17.95n

expenditure = $1,250.00

Therefore, p = $17.95n - $1,250.00

6 0
3 years ago
I need help... I honestly don’t know.
Serhud [2]

Answer:

∡ABC=55°

Step-by-step explanation:

<u>Step 1: Identify all angles</u>

∠A=(x+45)°

∠B=(6x+5)°

∠C=(3x)°

∠ABC=(180-∠B)°=(180-(6x+5))°

<u>Step 2: Use the Triangle Angle Sum Theorem</u>

∠A+∠ABC+∠C=180°

(x+45)+(180-(6x+5))+(3x)=180

x+45+180-6x-5+3x=180

-2x+45+180-5=180

-2x+45-5=0

-2x+40=0

-2x=-40

x=20

<u>Step 3: Plug in x=20 for ∠ABC</u>

∠ABC=(180-(6x+5))°

(180-6(20)-5)°

(180-120-5)°

(60-5)°

55°

So ∡ABC=55°

8 0
3 years ago
Read 2 more answers
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