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satela [25.4K]
3 years ago
13

What is "the sum of twice a number and six is the same as three subtracted from the number itself"?

Mathematics
1 answer:
inysia [295]3 years ago
4 0

Answer:

x=-1

Step-by-step explanation:

2x+6=3-x

Step 1: Simplify both sides of the equation.

2x+6=3−x

2x+6=3+(−x)

2x+6=−x+3

Step 2: Add x to both sides.

2x+6+x=−x+3+x

3x+6=3

Step 3: Subtract 6 from both sides.

3x+6−6=3−6

3x=−3

Step 4: Divide both sides by 3.

3x/3=−3/3

x=−1

Answer:

x=−1

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Ruth is knitting hats to sell at a local fair. The booth costs her $63 and the materials for each hat cost $10. She plans on sel
aev [14]

Answer: Ruth have to make 7 hats to break even.

Step-by-step explanation:

Break even point is a point where Cost = Revenue.

Let x be the number of hats sold.

Given: Cost of booth = $63

Each hat cost = $10

Selling price for each cost = $19

As per given,

Total cost = Cost of booth+ (Cost of each hat)(Number of hats)

= 63+10x

Total selling price = 19x

For break even,

63+10x=19x

9x=63

x=7

Hence, Ruth have to make 7 hats to break even.

7 0
3 years ago
Plz help me! I will make you the brainliest! Thanks!
Volgvan

Answer:

4/5 is the most simplified form

Step-by-step explanation:

I hope this helps!

4 0
3 years ago
Y=0.2(4)x is it exponential growth or decay
Dmitry [639]

Answer:

growth

Step-by-step explanation:

This is of the form

y = ab^x  where a is the initial value and b is either growth or decay

if b > 1 then it is growth

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a = .2

b = 4

Since b>1 it is growth

5 0
3 years ago
What is the solution to the equation below? Round your answer to two decimal places. 3e2x + 12 = 42
Shkiper50 [21]

Answer:

X= 5.52

Step-by-step explanation:

1. Solve the equation:

e×2x + 12= 42

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2. Round x=15/e to the required place

x=5.52

5 0
1 year ago
Write 7,004,000 in scientific notation.
MAXImum [283]
<span>7,004,000 in scientific notation.
=</span>7.004 x 10^6
as 7 is the first non zero digit 
so decimal jumbed 6 numbers from right to left and exponent will be positive
option A is correct
hopr this helps
6 0
3 years ago
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