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ElenaW [278]
2 years ago
11

Please help with this question?!?

Mathematics
2 answers:
tangare [24]2 years ago
7 0

Answer:

50.3

Step-by-step explanation:

A=πr^2

π·4^2≈50.3

Charra [1.4K]2 years ago
4 0

Answer:

50.3

Step-by-step explanation:

area for circle formula=πr^2

r=4

π4^2 which is 50.3 rounded

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In a function, y varies inversely with x. The consistent of variation is 4. Which table could represent the function?
lianna [129]

Answer:

none of the tables shown

Step-by-step explanation:

Inverse variation is

xy = k where k is the constant

xy = 4

in the top table

-2*2 = -4 so it cannot be the first table

In the middle table

-2 * -8 = 16  so it is not the middle table

In the bottom table

-2 *4 = -8 so it is not the bottom table

There must be a table not shown

5 0
3 years ago
The figure below shows square ABCD inscribed on square PQRM on a coordinate plane. Which of the following expressions represents
vova2212 [387]
The hypotenuse of the triangle is given by:
 CB ^ 2 = RC ^ 2 + RB ^ 2

 Substituting values:
 CB ^ 2 = 2 ^ 2 + 4 ^ 2

 Clearing CB we have:
 CB = \sqrt{ 2 ^ 2 + 4 ^ 2}  

 CB = \sqrt{ 4 + 16}  

 CB = \sqrt{20}  

 CB = \sqrt{4*5}  

 CB = 2\sqrt{5}  




 Then, the perimeter of the triangle is:
 P = RB + RC + CB

 Substituting values:
 P = 4 + 2 + 2 \sqrt{5} 

 P = 6 + 2 \sqrt{5}
 Answer:
 the perimeter of triangle BRC in units is:
 D.6 + 2√5
7 0
3 years ago
Read 2 more answers
Mr. Jones, 70, is a very active senior. He goes for walks, works in the garden, and occasionally plays tennis. His total daily k
Hatshy [7]

Answer:

The National Academy of Sciences has established the Acceptable Macronutrient Distribution Range (AMDR), which are dietary guidelines regarding the acceptable range of certain nutrients (such as fat, carbohydrates and protein) in our everyday diet. According to the AMDR, 45-65% of our everyday calorie intake should come from carbohydrates. Therefore, 1125 [(2500*45)/100] to 1625 [(2500*65)/100] kilocalories should come from carbohydrates.

Step-by-step explanation:

7 0
3 years ago
Help me solve please.
Sophie [7]

Answer:

r3d option to first, last option to second

Step-by-step explanation:

4 0
3 years ago
Find the value of x in the circle.
ladessa [460]

Answer:

34

Step-by-step explanation:

4 0
2 years ago
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