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Natali5045456 [20]
3 years ago
5

A dog is starting a diet to get in better shape. The

Mathematics
2 answers:
pishuonlain [190]3 years ago
8 0

Answer:

19

Step-by-step explanation:

9.5...

9*2 = 18 + 0.5 -> 1

19 weeks

maksim [4K]3 years ago
8 0

Answer:

18.5 days

Step-by-step explanation:

Count by two's on your fingers until you have nine fingers up, and that equals 9 x 2 = 18, plus that .5 eqauls 18.5 days.

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2. Company A packages roofing nails in boxes that are normally distributed with a mean of 276 nails and a standard deviation of
Natali5045456 [20]

Answer:

Company B

Step-by-step explanation:

We would use z score formula

z = (x - μ) / σ

x = raw score

μ = mean

σ = Standard deviation

let x = 260 with the mean μ1 = 276 and standard deviation σ = 5.8

let x = 260 with the mean μ2 = 252 and standard deviation σ = 3.4

z1 = (x- μ1) / σ = (260- 276) / 5.8 = -2.7586206897 = -2.76

z2 = (x2 - μ) / σ = (260 -252) / 3.4= 2.3529411765 = 2.35

Comparing the two z scores, we can see that company B has the probability of producing 260 nails because it has a z score of 2.35 compared to company A with a z score of -2.76.

6 0
3 years ago
First to answer gets brainliest
harkovskaia [24]

Answer:

I think it's B

Step-by-step explanation:

4 0
3 years ago
the legs of a right triangle have lengths of 28 meters and 21 meters. the hypotenuse has a length of 5x meters. what is the valu
Hitman42 [59]
We have a right triangle with
a = one leg = 28
b = other leg = 21
c = hypotenuse = 5x

use the pythagorean theorem (a^2+b^2 = c^2) and solve for x

a^2+b^2 = c^2
28^2+21^2 = (5x)^2
784+441 = 25x^2
1225 = 25x^2
25x^2 = 1225
(25x^2)/25 = 1225/25
x^2 = 49
sqrt(x^2) = sqrt(49)
|x| = 7
x = 7 or x = -7

Since the hypotenuse has length 5x meters, this means
5x = 5*7 = 35
or
5x = 5(-7) = -35

Toss out the negative length as it makes no sense. 

The only value of x is x = 7

Therefore the final answer is x = 7
6 0
3 years ago
What is the area of a parallelogram that has a height of 2 1/2 inches and a base of 7 inches
crimeas [40]

Answer:

17 1/2 in²

Step-by-step explanation:

a=l×w

or in this case a=h×b

2 1/2×7= 17 1/2 in²

5 0
3 years ago
How to write fractions into decimal and divide them?
WARRIOR [948]
You divide the top number by the bottom number then divide that number by another one. you can also find the greatest common factor and make the denominators equal then divide the fraction and then turn it into a decimal
4 0
3 years ago
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