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Alik [6]
3 years ago
9

IN 10 MIN.a heart can beat 700 times. at this rate in how many min. will a heart beat 140 times?At what rate can a heart beat

Mathematics
1 answer:
Mrac [35]3 years ago
8 0
The answer is 5 minutes
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The weights of packets of cookies produced by a certain manufacturer have a Normal distribution with a mean of 202 grams and a s
Evgen [1.6K]

Answer:

209.005 gms

Step-by-step explanation:

Given that the weights of packets of cookies produced by a certain manufacturer have a Normal distribution with a mean of 202 grams and a standard deviation of 3 grams.

Let X be the weight of packets of cookies produced by manufacturer

X is N(202, 3) gms.

To find the  weight that should be stamped on the packet so that only 1% of the packets are underweight

i.e. P(X<c) <0.01

From std normal table we find that z value = 2.335

Corresponding x value = 202+3(2.335)

=209.005 gms.

5 0
3 years ago
Solve the inequality.
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-2p<span><20-4
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4 years ago
a 16 inch diameter pizza is cut into ten equal slices. about how many square inches of pizza are in each slice. round to nearest
Dahasolnce [82]

Answer:

6.4

Step-by-step explanation:

Well the radius of the whole pizza is 8

So the total area is 64π

And 64 / 10 = 6.4

7 0
3 years ago
If a line crosses the y-axis at (0, -4) and has a slope of -2, what is the equation of the line
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3 years ago
Your grandfather gave you $1.65 with
Lelu [443]

Answer:

$1.98

Step-by-step explanation:

1.65/5=0.33

1.65+0.33=1.98

check: 1.98/6 =0.33

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5 0
3 years ago
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