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Ket [755]
3 years ago
11

What is the area of the figure below?

Mathematics
1 answer:
FinnZ [79.3K]3 years ago
3 0

Answer:

the area is 21

Step-by-step explanation:

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Solve for x^4 - 17x^2 + 16 = 0 Select all possible solitions
miskamm [114]

Step-by-step explanation:

4-17x^2+16=0 s

Calculate multiply

20-17x^2=0

Reoder the term

-17x^2+20=0

Calculate the discriminat

D=0^2-4x(-17)x20

Simplify

D=1360

The quadric equation has 2 real solutions

So your Solution is :

2 real solutions

5 0
3 years ago
What is the area of a circle?
Andru [333]

The area of a circle is the size of the 2-dimensional space inside the circle's
closed curved boundary.

The area can be calculated in terms of known linear measurements of the circle:

-- Area  =  (π) x (radius)²

-- Area  =  (π/4) x (diameter)²

-- Area  =  (1/2) x (circumference) x (radius)

-- Area  =  (1/4) x (circumference) x (diameter)

Any of these formulas will give you the area.  The one you decide to use
just depends on what you already know about the circle.


8 0
3 years ago
suppose a refrigerator sells for $700 per and costs $85 a year for electricity. write the expression for the cost to buy and run
emmainna [20.7K]
X=700R+85Y
R= Number of Refrigerators
Y= Number of Years 

7 0
3 years ago
Read 2 more answers
Help me plz with my hw
inna [77]
Circumference is found with the formula

c = pi × d

d is diameter and we will use 3.14 for pi.

The diameter is the measure across the center of the circle. In the first problem, you are given the radius, so we have to multiply by 2 to get the diameter. Then we can use the formula.

12.4 in × 2 = 24.8 in (that's the diameter)

c = pi × D
c = 3.14 × 24.8
c = 77.872 inches

circumference is 77.872 inches.

Try the other problems on your own. They are just like this one. Just make sure they are giving you the diameter and not the radius. Post if you have problems.
6 0
3 years ago
Plz answer quickly !!!!
SVETLANKA909090 [29]

Im pretty sure: 18 units

8 0
3 years ago
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