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Molodets [167]
2 years ago
10

I need help please!!:)

Mathematics
2 answers:
antiseptic1488 [7]2 years ago
8 0
No because it’s right on the line
asambeis [7]2 years ago
5 0

Answer:

No bcuz its not on the line

Step-by-step explanation:

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2(n+5)=-2 <br><br> I need the steps
Eva8 [605]

Answer:

n = -6

Step-by-step explanation:

2 ( n + 5 ) = -2

First, solve the brackets.

2n + 10 = -2

Now take 10 to the right side.

2n + 10 -10 = -2 - 10

2n = -12

Then divide both sides by 2.

\frac{2n}{2} =\frac{-12}{2}

And now you'll the value of n.

n = ( -6 )

6 0
2 years ago
SHOW YOUR WORK. 44.22 divided by (-6.7) and -6.46 divided by 0.04​
zimovet [89]

Answer: -6.6 and -161.5

Step-by-step explanation: 44.22/-6.7=-6.7 -6.46/.04=-161.5 <——- not to sure about that one

3 0
3 years ago
Suppose that the weights of 5400 registered female Labrador retrievers in the United States are distributed normally with a mean
Maurinko [17]

Answer:

N= 4543 Labrador retrievers

Step-by-step explanation:

We know that the mean \mu is:

\mu = 62.5

and the standard deviation \sigma is:

\sigma=2.5

The probability that a randomly selected Labrador retriever weighs less than 65 pounds is:

P(X

We calculate the Z-score for X =65

Z = \frac{X-\mu}{\sigma}\\\\Z =\frac{65-62.5}{65}=1

So

P(X

Looking in the table for the standard normal distribution we have to:

P(Z.

Finally the amount N of Labrador retrievers that weigh less than 65 pounds is:

N = P(X

N = 0.8413*5400

N= 4543 Labrador retrievers

6 0
3 years ago
A scale drawing uses the scale 3 in =20ft find the missing measure 57 in = ft
Margarita [4]
If 3 inch....................................20 ft
?inc...........................................57 feet

(57*3)/20=171/20=8.55 inch
8 0
3 years ago
Nimer was driving to a hotel. He looked at his Sat Nav at 13:30 and saw the following, Distance to destination = 65 miles Nimer
andre [41]

Answer: 50 miles per hour

Step-by-step explanation:

The average speed of the car will be gotten by using the formula:

= Distance/Time

where,

Distance = 65 miles

Time = 14:48 - 13:30 = 1:18 hours = 1 hour 18 minutes = 1 18/60 = 1.3 hours

Speed = Distance / Time

= 65 miles / 1.3 hours

= 50 miles per hour

7 0
3 years ago
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