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bazaltina [42]
2 years ago
8

Please help me you'll get brainliest

Mathematics
2 answers:
horrorfan [7]2 years ago
6 0

Answer:

3

Step-by-step explanation:

So the diagram shows the weight of each puppy in pounds.

Each dot is a puppy.

The first dot is at 1/4 pounds meaning you have one dog that weights that much.

At the other end, you have 3 dots at 3/4 pounds meaning you have one dog that weights that much.

The heaviest puppy is 3/4 and the lightest is 1/4.

So dividing 3/4 / 1/4 = 3/4 * 4 = 3.

So 3 times as great

neonofarm [45]2 years ago
6 0

Answer:

3

Step-by-step explanation:

1/4 x 3 = 3/4

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Ernie bought 3 12-packs of regular cola, 4 12-packs of diet cola, and 2 6-packs of orange soda. How many cans did he buy? 3. Dra
Feliz [49]

(3 \times 12) + (4 \times 12) +(2 \times 6) \\ 36 + 48 + 12 = 96
4 0
3 years ago
The average life of individual is 70 years. With a standard deviation of 5.5 years. Assume that the lives of these individuals i
Harlamova29_29 [7]

Answer:

The answer is below

Step-by-step explanation:

Given that:

mean (μ) = 70 years, standard deviation (σ)= 5.5 years.

a) The z score measures how many standard deviation a raw score is above or below the mean. It is given as:

z=\frac{x-\mu}{\sigma}, for a sample size of n, the z score is: z=\frac{x-\mu}{\sigma/\sqrt{n} }

Given a sample of 5 turtles, we have to calculate the z score for x = 60 and x = 80.

For x = 60:

z=\frac{x-\mu}{\sigma/\sqrt{n} }=\frac{60-70}{5.5/\sqrt{5} } =-4.07

For x = 80:

z=\frac{x-\mu}{\sigma/\sqrt{n} }=\frac{80-70}{5.5/\sqrt{5} } =4.07

The probability that a mean life of a random sample of 5 such turtles falls between 60 and 80 years = P(60 < x < 80) = P(-4.07 < z < 4.07) = P(z < 4.07) - P(z < -4.07) = 1 - 0 = 1 = 100%

b) The z score that corresponds to top 10% is -1.28.

z=\frac{x-\mu}{\sigma/\sqrt{n} }\\\\-1.28=\frac{x-70}{5.5/\sqrt{5} }\\ x-70=-3\\x=70-3\\x=67\ years

3 0
3 years ago
Can someone help please
Trava [24]

9514 1404 393

Answer:

  16.4

Step-by-step explanation:

The law of cosines is useful here. It tells you ...

  b^2 = a^2 + c^2 -2ac·cos(B)

  b^2 = 22^2 +10^2 -2·22·10·cos(44°)

  b^2 ≈ 267.49

  b ≈ √267.49 ≈ 16.35514

  b ≈ 16.4

4 0
3 years ago
How many centimeters are in 35 inches? (1 in. = 2.54 cm)
Colt1911 [192]

Answer:

88.90 cm

Step-by-step explanation:

8 0
3 years ago
What is the midpoint of the segment shown below?
alex41 [277]

Answer:

B. (-9/2, -11/2)

Step-by-step explanation:

-12+3 / 2 = -9/2

-3+-8 / 2 = -11/2

6 0
3 years ago
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