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Mrac [35]
4 years ago
7

I need help I don't understand

Mathematics
1 answer:
lianna [129]4 years ago
5 0
1. 
   a. 120+80+50+150= 400
2. 
  b. 250 of each game should the store order 
3. this year 60 of each game should the  store order 
2.
a. 240 ounces of sugar water you need
b. none
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You are able to work faster than your grandfather. You use 4 bags for every 3 bags your grandfather uses. Is the relationship pr
Mrrafil [7]

Answer:

because your grandfather has the experience to do work

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3 years ago
The areas of two circles are in a ratio of 169:121. What is the ratio of their radii?
horrorfan [7]

Answer:

1 \frac{48}{121}

Step-by-step explanation:

divide 169/121 and that equals the answer above

8 0
3 years ago
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Find the length of l on the curve r(t)=5cos(3t)i-5sin(3t)j+3tk over the interval [3,7]
stealth61 [152]
\mathbf r(t)=5\cos3t\,\mathbf i-5\sin3t\,\mathbf j+3t\,\mathbf k
\mathrm d\mathbf r(t)=\mathbf r'(t)\,\mathrm dt=(-15\sin3t\,\mathbf i-15\cos3t\,\mathbf j+3\,\mathbf k)\,\mathrm dt

\displaystyle\int_C\mathrm d\mathbf r(t)=\int_{t=3}^{t=7}\|\mathbf r'(t)\,\mathrm dt\|=\int_{t=3}^{t=7}\sqrt{225\sin^23t+225\cos^23t+9}\,\mathrm dt
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4 0
4 years ago
A number cube is tossed and the spinner below is spun. Find P(3 and C).
pickupchik [31]

Answer:

P(3\ and\ C) = \frac{1}{24}

Step-by-step explanation:

Given

Cube and Spinner (See attachment for spinner)

Required

Find P(3 and C)

In the attached spinner, there are 8 partitions and C = 2

So:

P(C) = \frac{2}{8}

P(C) = \frac{1}{4}

In a number cube, there are 6 faces and 1 side is 3.

So:

P(3) = \frac{1}{6}

P(3 and C) is calculated as:

P(3\ and\ C) = P(3) * P(C)

P(3\ and\ C) = \frac{1}{6} * \frac{1}{4}

P(3\ and\ C) = \frac{1}{24}

7 0
3 years ago
HELP NEEDED HELP NEEDED!
grandymaker [24]
I think it is j but I do not now
6 0
3 years ago
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