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FrozenT [24]
3 years ago
7

You have 220 meters of fencing to create a rectangular field. What should the dimensions of the field be in order for the area t

o be 1800 square meters?
Mathematics
1 answer:
Brrunno [24]3 years ago
6 0

I honestly dont know, the only idea I have is to divide 1800 by 4 to see how much.

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Each year, Kipp raises money by participating in the Walk for Breast Cancer. Last year, Mr. Madrid walked at a pace of 12 miles
Ilia_Sergeevich [38]
A.

The rate is 12:2

B.

Set up a proportion:

12/2 = x/5

Multiply 5 to both sides:

60/2 = x

Divide:

30 = x

So he will walk 30 miles in 5 hours.

C.

To find out, we can divide 12 / 2.

12 / 2 = 6 miles per hour
8 0
3 years ago
Which of the following angle relationships in △ABC are correct? Select all that apply. There is a triangle ABC in which the leng
Monica [59]

9514 1404 393

Answer:

  A, B, D

Step-by-step explanation:

The sides in order from smallest to largest are ...

  AC, BC, AB

Then the opposite angles in order from smallest to largest are ...

  B, A, C

Let's consider the choices:

A. m∠A < m∠C --- true

B. m∠B = m∠C --- true

C. m∠A < m∠B --- false

D. m∠B < m∠A < m∠C --- true

7 0
2 years ago
Which expression is equivalent to 18s+9t+36
tatuchka [14]

18(s+t/2+2)

18(s+t/2+2)

8 0
3 years ago
What is the explicit rule for the sequence?<br><br><br> 10.5, 9, 7.5, 6, 4.5, 3, ...
BartSMP [9]
You can see the answer and solution from the picture

4 0
3 years ago
Read 2 more answers
A particular paper included the accompanying data on the tar level of cigarettes smoked for a sample of male smokers who subsequ
Dafna1 [17]

Answer:

Check the explanation

Step-by-step explanation:

H_0:proportion of male smoker lung deaths is same for the four given tar level categories.

H_1:proportion of male smoker lung deaths is not the same for the four given tar level categories.

Expected frequency=1177/4=294.25

Tar level     Observed Freq.(O)        Expected Freq.(E)         (O-E)^2/E

0-7                         107                                   294.25                120.435

8-14                        375                                  294.25                5.643

15-21                       553                                 294.25                 227.533

>=22                       183                                  294.25                 42.061

Total=                    1177                                  1177                      395.673

Total chi square score=395.673

df=4-1=3

p-value=CHIDIST(395.673,3)<0.001

p-value<0.001,Reject null hypothesis.

There is sufficient evidence that the proportion of male smoker lung deaths is not the same for the four given tar level categories.

5 0
3 years ago
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