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Aleksandr [31]
2 years ago
15

I think of a number double it, then reduce six. The result is 20. What is the number??

Mathematics
1 answer:
MissTica2 years ago
5 0

Answer:

The number is 13

Step-by-step explanation:

the equation:

2x-6=20

The solution.

2x=20+6

x=\frac{26}{2} =13

Hope this helps

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The center of a circle is located at (3, 8), and the circle has a radius that is 5 units long. What is the general form of the e
n200080 [17]
Center of the circle: C=(3,8)=(h,k)→h=3, k=8
Radius of the circle: r=5
Standard form of the equation for the circle:
(x-h)^2+(y-k)^2=r^2
(x-3)^2+(y-8)^2=5^2
(x-3)^2+(y-8)^2=25

General for of the equation for the circle:
(x)^2-2(x)(3)+(3)^2+(y)^2-2(y)(8)+(8)^2=25
x^2-6x+9+y^2-16y+64=25
x^2+y^2-6x-16y+73=25
x^2+y^2-6x-16y+73-25=25-25
x^2+y^2-6x-16y+48=0

Answer: The general form of the equation for the circle is:
x^2+y^2-6x-16y+48=0
4 0
4 years ago
Three times the differnece of fredicos age and 4, increased by 7, is greater than 37. What are possible values of fredicos age?
Anna11 [10]

Answer:

Possible values of fredicos age satisfy x>14 where x denotes fredicos age.

Step-by-step explanation:

Let x denotes fredicos age.

Three times the difference of fredicos age and 4, increased by 7 = 3(x-4)+7

According to the question,

3(x-4)+7>37\\3(x-4)>37-7\\3(x-4)>30\\x-4>10\\x>10+4\\x>14

So, possible values of fredicos age satisfy x>14

Here, x denotes fredicos age.

6 0
3 years ago
(a^2-b)^3
Ganezh [65]
-1 is correct answer because
a= -2
b= 5 then
(-2^2-5)^3
(4-5)^3
(-1)^3
-1
7 0
3 years ago
Suppose that 1 euro is worth $1.25. In Europe, a book costs 19 euros. In Los Angeles, the same book costs $22.50. In which locat
zepelin [54]
The book would cost less in Los Angeles because it would cost $23.75 in Europe.
8 0
3 years ago
Read 2 more answers
If $16,400 is deposited into a CD paying 5.1% annually, how much will be in the account after 20 years? Enter your answer rounde
lesya692 [45]

16,400 x (1 + 0.051)^20 =

16400 x (1.051)^20 =

16400 x 2.70429659 =

$44,350.46 



4 0
3 years ago
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