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melamori03 [73]
3 years ago
9

I need help with this!!!!!!!!!

Mathematics
2 answers:
bija089 [108]3 years ago
6 0
The answer is B bc 8 time is the radius squared times pi
Rom4ik [11]3 years ago
6 0

Answer: B

Step-by-step explanation: The formula for the area of a circle is A = πr2. The way you find r is dividing the diameter by 2. So B is the answer.

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The function f(x) = x2 is transformed to f(x) = −1.4x2. Which statement describes the effect(s) of the transformation on the gra
Romashka-Z-Leto [24]

Answer:

C) The parabola is narrower and reflected across the x-axis.

Step-by-step explanation:

The original parabola has equation:

f(x) =  {x}^{2}

The transformed parabola has equation

f(x) =  - 1.4 {x}^{2}

How wide the graph is can be determined by the absolute value of the coefficient.

The smaller the absolute value of the coefficient, the wider the graph.

Since

|1|  \:  <  \:  | - 1.4|

The original graph is wider than the transformed graph.

Also the negative factor tells us there is a reflection in the x-axis.

3 0
3 years ago
-11x-7y=-56 slope intercept
yuradex [85]

Answer:

-11/7

Step-by-step explanation:

3 0
3 years ago
Each of Elsa's notebooks is 3/5 inches wide. If she has 30 inches of space remaining on her bookshelf, how many notebooks will f
SIZIF [17.4K]

Answer:

50 Notebooks

Step-By-Step:

First write an equation

3/5x

The x represent the number of notebooks that can fit within the shelf.

So 3/5(50)=30


6 0
3 years ago
Read 2 more answers
On a certain game show, contestants pick 5 number balls from a bag containing 20 numbered balls (0-19). After each draw, the bal
Gnoma [55]

Answer:

5/20 or 25% probability of winning $1,000,000

Step-by-step explanation:

How many numbered balls do they need to win?

5

How many balls are there?

20

Therefor your answer is (balls need to win/number of balls).

4 0
2 years ago
Shannon is choosing between two different saving account for her college fund the first account compounds interest semiannually
Kitty [74]
100×(1+0.11÷2)^(2×5)
=170.81

100×e^(0.108×5)
=171.60
So she should choose the account which pays the interest continuously
6 0
3 years ago
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