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lana [24]
3 years ago
12

The graph represents the normal distribution of recorded weights, in pounds, of cats at a veterinary clinic.

Mathematics
2 answers:
marshall27 [118]3 years ago
8 0

Please consider the graph.

We have been given that graph represents the normal distribution of recorded weights, in pounds, of cats at a veterinary clinic.  We are asked to choose the weights, which are within 2 standard deviations of the mean.

We can see from our graph that mean of the weights is 9.5 and standard deviation in 0.5.

The data point that would be below two standard deviation is: 9.5-2\times 0.5 that is 9.5-1=8.5.

The data point that would be above two standard deviation is: 9.5+2\times 0.5 that is 9.5+1=10.5.

Now we need to check the data points that lie within 8.5 and 10.5.

Upon looking at our given choices, we can see that 8.9, 9.5 and 10.4 pounds lie within 2 standard deviation of the mean.

Therefore, 8.9 lbs, 9.5 lbs and 10.4 lbs are correct choices.

GrogVix [38]3 years ago
8 0

Answer:

8.9, 9.5, 10.4

Step-by-step explanation:

got it right on ed2020

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In circle D, if the measure of arc Gec is 230 , what is the measure of minor arc GFC
BabaBlast [244]

Answer:

The measure of minor arc GFC is 130\°

Step-by-step explanation:

we know that

In a circle the sum of the major arc plus the minor arc is equal to 360 degrees

see the attached figure to better understand the problem

Let

x------> the major arc GEC

y-----> the minor arc GFC

so

x+y=360\°

we have

x=230\°

substitute in the equation and solve for y

230\°+y=360\°

y=360\°-230\°=130\°

8 0
3 years ago
How do I do this. I don’t understand how to put the numbers in that formula or whatever the heck it is.
OleMash [197]

Answer:

5

Step-by-step explanation:

8 0
2 years ago
6. On a bank account of $2,500, how much yearly interest will be paid if the rate is3.4%?
iVinArrow [24]

Multiply the amount in the account by the interest rate:

2500 x 0.034 = 85.00

Answer: $85.00

5 0
2 years ago
Simplify into one fraction<br><br> 8x-2/x-8-2/x-8
Elis [28]
\frac{8x-2}{x-8} - \frac{2}{x-8}

The fractions already have a common denominator of x-8, so all wee need to do is combine the numerators:

\frac{8x-2-2}{x-8}

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3 0
3 years ago
Un joven retira el 25% de sus ahorros y gasta el 33.3% en adornos para su
ki77a [65]

Answer:

$3003.2

Step-by-step explanation:

Step 1

Paso 1

Averiguamos cuánto era el 25% de sus ahorros.

Se nos dice en la pregunta que gastó el 33.3% en decoraciones para su nueva casa y si los adornos cuestan $ 250.00.

Esto significa

33.3 % × x = 250

33.3 x/ 100 = 250

Cruz multiplicar

33.3x = 250 × 100

x = 25.000 / 33.3

x = 750.75075075

Por lo tanto, la cantidad o el costo de los adornos = 33.3% del 25% de sus ahorros = $ 750.8

Paso 2

De la pregunta:

Un joven retira el 25% de sus ahorros y

Por lo tanto:

Sea y = monto total de sus ahorros

25/100 × y = $ 750.8

25y = 100 × 750.8.

y = 100 × 750.8 / 25

y = $ 3003.2

Por lo tanto, tenía $ 3003.2 en su cuenta.

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3 years ago
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