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snow_tiger [21]
3 years ago
13

Jenny paid $17 for 2 large boxes of popcorn and 3 large soft drinks. Justin paid $10 for 1 large box of popcorn and 2 large soft

drinks. Which system of equations could be used to find the costs of one large box of popcorn, p, and one large soft drink, s?
A. 2 p + 3 s = 17 p + 2 s = 10
B. 3 p + 2 s = 17 p + s + 10
C. 2 p + 3 x = 17 p + s = 10
D. 2 p + 3 s = 10 p + 2 s = 17
Mathematics
1 answer:
wolverine [178]3 years ago
6 0

2p + 3d = 17

1p + 2d = 10

^

|

3

D is the correct answer

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HCF(320, x) = 20, LCM(320, x) = 2240, then x =
HACTEHA [7]

Answer:

  140

Step-by-step explanation:

When working HCF and LCM problems, I like to think in terms of this little diagram:

  (a [ b ) c]

It shows me one of the numbers is ab, the other is bc, the HCF is b and the LCM is abc. "a" and "c" must be relatively prime for "b" to be the HCF.

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Here, we're given ...

  b = 20

  ab = 320

  abc = 2240

Then ...

  c = abc/(ab) = 2240/320 = 7

  x = bc = 20(7) . . . . . . equivalently, x = (abc·b)/(ab) = (2240·20)/320

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3 years ago
Which expression has a value of StartFraction 1 Over 36 EndFraction? (StartFraction 1 Over 108 EndFraction) cubed (StartFraction
IrinaVladis [17]

Answer:

(1/6)^2

Step-by-step explanation:

We want to find the fraction that is equivalent to 1/36.

Let us look at each of them individually:

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b. (\frac{1}{9})^4 =  \frac{1}{6561}

c. (\frac{1}{6})^2 =  \frac{1}{36}

d. (\frac{1}{5})^2 = \frac{1}{25}

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I don’t get what we have to do here sorry I can’t answer it
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If your breakfast costs $12 and you are
lorasvet [3.4K]

Answer:

find 9% of 12

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108/100

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12+1.08

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The sum of a rational number and negative integer is rational
natulia [17]

Answer:

correct

Step-by-step explanation:

negative integers are still rational numbers if it is a whole number or complete

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