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svp [43]
3 years ago
7

Which statement is NOT true?

Mathematics
1 answer:
GalinKa [24]3 years ago
4 0

'D' is not true.  Decimals can be either rational or irrational numbers.


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mike fitness center charges $30 per month for a mrmbership .all day fitness club charges $22 per month plus an $80 initiation fe
Aliun [14]

Step-by-stm represents the number of months

Mike's: 30m

All-Day: 80 + 22m

 

30m = 80 + 22m  and im pretty sure the answer is 102

4 0
3 years ago
True or false and if false what would be the correct term be?
vagabundo [1.1K]
It’s True.. you take the “extreme” variable from each proportion and cross multiply them before setting them equal to the product of the two “means” (which are just the other 2 numbers in the proportions).
3 0
3 years ago
The cost of 11 dvds and 7 cds is 172.50 and the cost of 10 dvds and 7 cds is 155.80. How much does a cd and dvd cost?
AleksandrR [38]

Answer:

The question has a mistake

Step-by-step explanation:

11d+7c= 172.5

10d+7c= 155.8

By subtraction;

1d+ 0c = 16.7

1d = 16.7

11×16.7+7c=172.5

7c = 172.5-11*16.7

You will get a negative answer yet the cost cannot be negative.

5 0
3 years ago
The courtyard outside East Middle School is in the shape of a rectangle and half-circle.
Nadya [2.5K]

Answer:

The correct option is the third one counting from the top. (5892 m^2)

Step-by-step explanation:

First, we need to remember that:

For a rectangle of length L and width W, the area is:

A = L*W

For a circle of diameter D, the area is:

A = pi*(D/2)^2

Where pi = 3.14

In the image, we can see a rectangle and half a circle, the total area of the image will be equal to the area of the rectangle plus the area of the half circle.

In the image, we can see a rectangle of length L = 100m and width W = 50m

Then the area of the rectangle is:

A = 100m*50m = 5000m^2

And we can see that for the half-circle the diameter is D = 50m

Note that the area of a half-circle is half of the area of a complete circle, then the area of that half-circle is:

A = (1/2)*(3.14*(50m/2)^2) = 981.25 m^2

If we add these two areas we get:

Total area =  5000m^2 + 981.25 m^2 = 5981.25 m^2

If we round it up, we get:

Total area = 5982 m^2

The correct option is the third one counting from the top.

8 0
2 years ago
It is 3.6 miles from steves house to the skating rink.estimate the distance from steves house to the skating rink
Rus_ich [418]

<span> 3.6 miles
If you already know the distance why would you estimate? </span>
6 0
3 years ago
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