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VikaD [51]
2 years ago
15

. Charlotte buys two biscuits and a carton of milk for $5.00.

Mathematics
2 answers:
iragen [17]2 years ago
5 0
Let’s make a system of equation
b = biscuit, c = carton of milk
2b + c = 5.00
3b + c = 6.50
Now use elimination subtract
-1b = -1.5
b = $1.50
2(1.50) + c = 5
3 + c = 5, c= $2.00
Solution: $0.50 more
ivolga24 [154]2 years ago
4 0

Answer:

$0.50

Step-by-step explanation:

.

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nignag [31]

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cos(x) = adj/hyp
tan(x) = opp/adj

sin(x) = 3.9/8.1
sin(x) = 0.481

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4 0
2 years ago
Find the volume of a sphere with a diameter of 8cm
12345 [234]

Answer:

V = 267.95

Step-by-step explanation:

Volume of a Sphere:

V = 4/3πr³

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r = 4

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3 0
2 years ago
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slavikrds [6]

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15

Step-by-step explanation:

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3 0
2 years ago
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a 23 gram sample of a substance thats a by-product of fireworks has a K-value of .13. whats the substances half life in days
nata0808 [166]
Given:
Initial mass, m₀ = 23 g
Decay constant, k = 0.13

Exponential decay obeys the equation
m(t)=m_{0} e^{-kt}
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Therefore
e^{-0.13t} = \frac{1}{2} \\ -0.13t = ln(0.5)\\t= \frac{ln(0.5)}{-0.13} =5.33

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3 0
2 years ago
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Megan buys 3 bracelets and 3 necklaces each bracelet cost 5 dollars each in dollars of one she gave the clerk 40$
Tatiana [17]

Not sure what answer your needing so here is a breakdown of the amounts.

3 bracelets times $5 equals $15

How much is each necklace?

Subtract $15 from $40 you have $25 left. Then you divide $25 by 3 you get each necklace costs $8.33 so three necklaces cost $24.99

When you add $15 from the bracelets and $24.99 from the necklaces your total is $39.99 that’s why Megan gave the clerk $40

Hope this helps

7 0
2 years ago
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