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Fudgin [204]
3 years ago
8

Need help with solving perimeter and area

Mathematics
1 answer:
Damm [24]3 years ago
5 0
For perimeter Add all of them for the area multiply both side and u would get the answer
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PLEASE HELP FAST!!!<br> ITS DUE IN 5 MINUTES
iragen [17]

Answer:

4800 dollars

Step-by-step explanation:

4000 multiply 0.2=800

4000+800=4800

3 0
3 years ago
What is the value of x in the equation 3(4x+6) =21<br> A) 1/4<br> B) 13/4<br> C) 4/13 <br> D) 12/7
nata0808 [166]
3 (4x + 6) = 21
4x + 6 = 21/3
4x + 6 = 7
4x = 7 - 6
4x = 1
x = 1/4

8 0
3 years ago
(15 PTS) Help me plz.
OlgaM077 [116]

Answer:

1.) C      2.) B         3.) B

Step-by-step explanation:

I had to do the same thing :)

8 0
3 years ago
Read 2 more answers
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
An online grocery store charges $0.10 per pound of produce for handling and delivery after
love history [14]

Answer:

They must buy 501 pounds of produce for the membership to be worth it.

Step-by-step explanation:

You can solve this question by first finding the difference between $0.10 and $0.25.

With some simple subtraction (0.25-0.10) we can find that the difference is that a non-membership person would pay $0.15 per pound.

You then divide 75 by 0.15 to find the extra weight it would take for the produce to equal $75. You should get 500 pounds.

At 500 pounds, the price would be equal if you had a membership or not.

You then must add 1 pound to make it more favorable to have the membership.

At 501 pounds the person with the membership would pay $125.10 and the person without the membership would pay $125.25

3 0
3 years ago
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