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ICE Princess25 [194]
4 years ago
12

What is expanded form?

Mathematics
1 answer:
SashulF [63]4 years ago
4 0

Answer:

Expanded Form. When we write the number 521, what that number really means is that we have the total of 500 + 20 + 1. We've expanded the number to show the value of each of its digits. When we expand a number to show the value of each digit, we're writing that number in expanded form.



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Help meeeeeeeeeeeeeeeeee
const2013 [10]

Answer:

B. p+121 is ≤ 345

Step-by-step explanation:

Talula can't go over the amount of 345 because it would go over the limit therefore the less than or equal to sign is needed. It would be p PLUS 121 because it would be a number less than or equal to 345 and p is the variable that is has to be less than or equal to 345.

7 0
3 years ago
WORTH 25 POINT PLEASE HELP WILL MARK THE BRAINLIST
AleksandrR [38]

Answer:

sure

Step-by-step explanation:

what is the question

4 0
3 years ago
Find the equation of a parabola with a vertical axis and its vertex at the origin and passing through the point (-2, 3).
jonny [76]

Answer:

y=\frac{3}{4}x^2

Step-by-step explanation:

Hi there!

Because we're given the vertex of the parabola, we can determine its equation in vertex form:

y=a(x-h)^2+k where the vertex is (h,k)

Plug in the vertex (0,0)

y=a(x-0)^2+0\\y=a(x)^2\\y=a(x-0)^2+0\\y=ax^2

Now, we must solve for a. Plug in the given point (-2,3) and solve for a:

3=a(-2)^2\\3=4a\\\frac{3}{4} =a

Therefore, the value of a is \frac{3}{4}. Plug this back into y=ax^2:

y=\frac{3}{4}x^2

I hope this helps!

5 0
3 years ago
Cylinder A has a radius of 1 m and a height of 4 m. Cylinder B has a radius of 2 m and a height of 4 m. What is the ratio of the
Svetlanka [38]

Note: The volume of a cylinder is:

radius² × π × height

First lets work out the volume of Cylinder A:

Volume = 1² × π × 4

             = 4π  m³

Now lets work out the volume of Cylinder B

Volume = 2² × π × 4

             = 16π  m³

__________________________________________

Now lets compare the volumes ( Cylinder A : Cylinder B)  :

4π : 16π

Lets simplify this by dividing both sides by 4π:

     4π : 16π            <em>( </em>÷ <em>4π)</em>

----> 1 : 4        

_____________________________________________________

Answer:

Option b) 1 : 4

8 0
3 years ago
The cost of 9 scarves is $65.25. what is the unit price?
stiv31 [10]
The unit price is : 65.25/9 = 7,25 $
4 0
3 years ago
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