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7nadin3 [17]
3 years ago
12

Subtract -2x^2-4x+2 from -6x+2

Mathematics
2 answers:
fomenos3 years ago
7 0

Answer:

2x² - 2x

Step-by-step explanation:

- 6x + 2 - (- 2x² - 4x + 2) ← distribute parenthesis by - 1

= - 6x + 2 + 2x² + 4x - 2 ← collect like terms

= 2x² - 2x

Tems11 [23]3 years ago
4 0

Answer:

2x(x-1)

Step-by-step explanation:

-6x+2-(-2x^2-4x+2)

-6x+2+2x^2+4x-2

2x^2-6x+4x+2-2

2x^2-2x

2x(x-1)

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mrs_skeptik [129]
33.90/5= 6.78 or 26.88/4= 6.72. The 4 boxes of chicken fingers has the cheaper unit price
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3 years ago
Carl bought 6 hot dogs and 5 drinks and paid $25.10 Susan purchased 6 hot dogs and 3 drinks and was charged $20.10 what is the c
svetlana [45]

Answer:

Let x = the unknown cost of a single hot dog and y = the unknown cost of a single soft drink. We have two unknowns so we need two equations to find them.

Equation 1 - 10 hot dogs and 5 soft drinks cost $35; that is 10x + 5y = 35

Equation 2 - 7 hot dogs and 4 soft drinks cost $25.25; that is 7x + 4y = 25.25

First let's re-write equation 1 to solve for y:

10x + 5y = 35

5y = 35 - 10x (subtract 10x from both sides)

y = 7 - 2x (divide both sides by 5)

Next, let's substitute 7 - 2x for y in equation 2:

7x + 4y = 25.25

7x + 4(7-2x) = 25.25

7x + 28 - 8x = 25.25

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x - 28 = -25.25

Solve for x, the cost of a single hot dog. Once you have that, use y = 7 - 2x to find the cost of a single soft drink.

Step-by-step explanation:

Hope it helpful

5 0
2 years ago
A 3-gallon bottle of vinegar costs $26.40.<br><br> What is the price per cup?
Rina8888 [55]
Hi!

The price per cup is $0.55 or 55 cents.
Since there are 16 cups in 1 gallon, we would need to find out how many cups are in 3 gallons by multiplying 16 by 3.
16 \times 3 = 48
Now we know that there are 48 cups in 3 gallons. Since we have found the number of cups in 3 gallons, we can now divide the price by 48 to find out the price per cup:
26.40 \div 48 = 0.55
After dividing the price by the number of cups, we have now found out the price per cup, which is: $0.55 or in other words, 55 cents.

Hope this helps! Good luck!

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3 years ago
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Natasha2012 [34]
The cost for a party here is the base fee, plus charges for any additional guests.

So we know for a 15-person party, the price is going to be $100. That's a flat (constant) cost.

We know that for each additional person, we add $12. So for x more people, the cost is $12x.

Since 100 is constant here, we make that our y-intercept. Even with no additional guests, the cost is still $100.

We add to write y=12x+100. 12 is the constant rate of change (slope).
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Only four countries have not officially adopted the metric system<br><br> True or false?
irinina [24]
True they are only being four countries that have not adopted the metric System
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