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Andre45 [30]
3 years ago
7

Brian irons 2/9 of a shirt in 3 3/5 minutes. How long will it take him to iron one shirt? At this rate, how long will it take to

iron 5 shirts?
Mathematics
1 answer:
balandron [24]3 years ago
7 0
Alright, so since you can't multiply 2/9 into 1 super easily, we could divide it by 2 and multiply it by 9 then to get 1, so that's what we'll do. Since 3+3/5 is
15/5+3/5=18/5 (since 5 goes into 15 3 times), we can divide that by 2 to get 18/2/5=9/5. Multiplying that by 9, we get 9*9/5=81/5=the amount of minutes it would take to iron 1 shirt. Since 5 goes into 80 16 times, we can write 81/5 as 80/5+1/5=16+1/5. In addition, we need to find how long it would take to iron 5 shirts, and to do that we can multiply 1 shirt's time by 5, getting
81*5/5=405/5=81 minutes since 5 goes into 405 81 times.
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3 years ago
Chase makes 2 gallons of soup for a dinner party. He serves 15 cups of soup to his guests. How many cups of soup will he have le
Vaselesa [24]
1 gallon is equal to 16 cups. 

Since Chase made 2 gallons of soup, multiply 16 x 2.
Chase made 32 cups of soup.

If he served 15 cups of soup to his guests, he will have 17 cups of soup left over, because 32 - 15 = 17.

3 0
3 years ago
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Ok so this is a question Im too dum to answer, please help :(
Margaret [11]

Answer:

6z^3 + 4z^2 + 5

Step-by-step explanation:

Combine like terms from each side of the expression.

(4z^3 + 2z^3) + (3z^2 + z^2) + (8 - 3)

6z^3 + 4z^2 + 5

5 0
3 years ago
Subtract the following polynomials, then place the answer in the proper location on the grid.
melamori03 [73]
When we add or subtract polynomials, the addition or subtraction is applied to the coefficients of the terms of equal powers.

For the given polynomials, we are required to do subtraction as follows:
(-4.1 x^2 + 0.9 x - 9.8) - (1.7 x^2 - 2.4 x - 1.6)
= -4.1 x^2 + 0.9 x - 9.8 - 1.7 x^2 + 2.4 x + 1.6
= (-4.1-1.7) x^2 + (0.9+2.4) x + (-9.8+1.6)
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The final expression (solution) is:
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8 0
3 years ago
16n2 – 10n – 5 = 6n<br> Solve the equation for all real solutions
sergiy2304 [10]

Answer:

n=5/4 or n=-1/4

Step-by-step explanation:

16n^2 - 10n-5=6n

16n^2-16n-5=0

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(4n- 2)^2=9

4n-2 = 3 or 4n-2=-3

4n=5 or 4n=-1

n=5/4 or n = - 1/4

3 0
3 years ago
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