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alekssr [168]
3 years ago
6

I need help with number 1 please help

Mathematics
1 answer:
Shalnov [3]3 years ago
3 0

Answer:

D. they are noncollinear

Step-by-step explanation:

this is because they aren't in one straight line going x, y, z, w. because they intersect and make cross shape.

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Thirty elves would like to build a skating ring so they can all use it at the same time. Santa tells them, they need at least 40
Delicious77 [7]

Answer:

The Possible dimension of the ring could be;

20 ft × 60 ft

25 ft × 48 ft

30 ft × 40 ft

60 ft × 20 ft

48 ft × 25 ft

40 ft × 30 ft

Step-by-step explanation:

Given:

Number of skaters = 30

Area for each skater = 40 sq ft

We need to find the dimension of rectangular ring the are going to build.

Now we know that they building the skating ring such that they all can use at same time.

Hence if the all use at same time then we will find the total area first.

Total area can be calculated by multiplying Number of skaters with area required for each skaters.

Framing the equation we get;

Total area = 30\times 40 = 1200 \ ft^2

Hence The total area of the rectangular ring would be 1200 sq. ft.

Now we know that Total area is equal to product of length and width.

length\times width =1200ft^2

1200 can be written as = 20 × 60, 25 × 48, 30 × 40,60 × 20,48 × 25,40 × 30

Hence the Possible dimension of the ring could be;

20 ft × 60 ft

25 ft × 48 ft

30 ft × 40 ft

60 ft × 20 ft

48 ft × 25 ft

40 ft × 30 ft

3 0
3 years ago
Y is greater than -1​
ladessa [460]

Answer:i knew it but it wont come to my brain but if it dose i will text u then tell

Step-by-step explanation:

5 0
3 years ago
2x + 1 = 23 what’s the answer
Arlecino [84]
Since it’s 2x+1=23 if you were to put x as 22 then add the 1 to it, it would equal 23, So the answer is 22.
3 0
4 years ago
Read 2 more answers
If f(X)= x-1 /3<br> and g(x) = 3x+1, what is(f•g)(x)?
mars1129 [50]

Answer:

  (f•g)(x) = 3x^2 -1/3

Step-by-step explanation:

The solid dot in (f•g)(x) is assumed to mean you want the product of the functions, not their composition. So, ...

  (f•g)(x) = f(x)•g(x) = (x -1/3)(3x +1) = x(3x +1) -1/3(3x +1) = 3x^2 +x -x -1/3

  (f•g)(x) = 3x^2 -1/3

3 0
3 years ago
PART D
Amanda [17]

1.
None

2.
Student 2

<span>Know the answer? Add it here!</span>3.
Student 1 and student 3

4.
None

5.
Student 1

Disclaimer: I'm not 100percent sure, but I'm pretty sure

Hope this helps!



5 0
3 years ago
Read 2 more answers
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