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Andrew [12]
3 years ago
9

What is the area of a circle with a radius of 7 inches

Mathematics
2 answers:
Fynjy0 [20]3 years ago
7 0
Area formula is A=πr2 
A=3.1416(radius)2 (radius is 7)
A=3.1416(49) 
A=153.94 
The area is 153.94 inches.
Hope that was helpful :)
irakobra [83]3 years ago
4 0

Answer is provided in the image attached.

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What is the square root of 81
Kay [80]
The square root of 81 is 9
Your answer is <em>9
</em>
Work:
9 x 9 = 81
7 0
3 years ago
Read 2 more answers
Which function has a range of {yly &lt; 5}?
Alexeev081 [22]

Answer:

f(x) = -(x-4)^2 + 5

Step-by-step explanation:

The function f(x) = -(x-4)^2 + 5 is a quadratic function. Its graph looks like a parabola. The graph has a vertex of (4,5) and opens up downward.

Proving that f(x) = -(x-4)^2 + 5 \le 5 for all x:

x^2 \ge 0 \Rightarrow (x-4)^2 \ge 0 \Rightarrow -(x-4)^2 \le 0 \Rightarrow -(x-4)^2 + 5 \le 5.

8 0
3 years ago
You recently invested $400,000 of your savings in a security issued by a large company. The security agreement pays you 12% per
ANTONII [103]

Answer:

$722444.49386776

Step-by-step explanation:

Use Compound Intrest Formula

a = p(1 +  \frac{r}{n} ) {}^{nt}

  • where p is the original amount.
  • R is the amount of percentage compounded
  • N is amount of times compounded per year.
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P is 400,00p

T is 12% or 0.12

N is 4 since it is compounded quarterly

T is 5.

Plug the values in

400000(1 +  \frac{0.12}{4} ) {}^{20}

Ypu get

$722444.49386776

6 0
3 years ago
Show work and explain. Which is better: 15 ounces for $1.79 or 12 ounces for $1.49?
Leokris [45]
Find the prices per ounce by dividing the dollars by the number of ounces:-

1.79 / 15 = 0.1193 dollars  per ounce

1.49 / 12 =  0.1242 dollars per ounce


So the first  one is the better buy.
5 0
3 years ago
Which description is represented by a discrete graph?
german

Answer:

Answer:A)

Kiley bought a platter for $19 and several matching bowls that were $8 each. What is the total cost before tax

here x will be number of bowl which can only be dicrete value e.g 1 , 2 , 3 , 4 ...

Step-by-step explanation:

A discrete graph is a series of scatter plot points. It means point on graph aren't continuous manner.

A continuous function allows the x-values to be ANY points in the interval, including fractions, decimals, and irrational values. A discrete function allows the x-values to be only certain points in the interval, only integers or whole numbers.

Example

Number of student, x

x can only be integer

8 0
3 years ago
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