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miss Akunina [59]
3 years ago
11

A Chinese restaurant purchased 225 pounds of rice. If they received 50 identical bags, how much rice was on each bag?

Mathematics
1 answer:
suter [353]3 years ago
8 0

Answer:

4.5 lb

Step-by-step explanation:

225/50 = 4.5 lb

Check work: 4.5 * 50 = 225 lb

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Divya also wants to make fruit smoothies for dessert. She purchases
Slav-nsk [51]

Answer:

$17.97

Step-by-step explanation:

add everything up

- bananas: 6(0.75) = $4.50

- rice milk: $3.49

- strawberries: 2(4.99) = $9.98

5 0
3 years ago
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A radioactive substance decays exponentially: The mass at time t is m(t) = m(0)ekt, where m(0) is the initial mass and k is a ne
velikii [3]

Answer:

M = 1/0.000121 = 8264.5 years

Step-by-step explanation:

M = − k ∫∞₀ teᵏᵗdt

To obtain this mean life, we'll use integration by parts to integrate the function ∫ teᵏᵗdt

∫udv = uv - ∫ vdu

u = t

du/dt = 1

du = dt

∫ dv = ∫ eᵏᵗdt

v = eᵏᵗ/k

∫udv = ∫ teᵏᵗdt

uv = teᵏᵗ/k

∫ vdu = eᵏᵗ/k

∫ teᵏᵗdt = (teᵏᵗ/k) - ∫eᵏᵗ/k

But, ∫eᵏᵗ/k = (1/k) ∫eᵏᵗ = (1/k²) eᵏᵗ = eᵏᵗ/k²

∫ teᵏᵗdt = (teᵏᵗ/k) - eᵏᵗ/k²

The rest of the calculation is done on paper in the image attached to this question

3 0
3 years ago
Help please on this question!!
Alika [10]

Answer:

82

Step-by-step explanation:

50+32 =82 and this has to be longer so this is me making it longer

4 0
3 years ago
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3. What is f(-3) if f(x) = |2x + 1] +5? (1 point) 0 10 12 or -10
kolbaska11 [484]

If f(x) = |2x+1|+5, then f(-3) = |2(-3)+1|+5.  You replace all x's in the function with -3.

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Finish by evaluating the absolute value and then adding that to the 5 that's behind the absolute value.

Can you finish it from there?

8 0
3 years ago
What is 1/100 of 200
chubhunter [2.5K]
2/200 i'm just typing this to fill in the how many letters I have to type
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