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kobusy [5.1K]
2 years ago
7

Radius=12 round up to the nearest tenth

Mathematics
2 answers:
8090 [49]2 years ago
7 0

Answer:

12.0

Step-by-step explanation:

miv72 [106K]2 years ago
7 0

Answer:

452.4

Step-by-step explanation:

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Solve 2x2 + 12x - 14 = 0 by completing the square
vovangra [49]

Answer:

<h2>x = -7 or x = 1</h2>

Step-by-step explanation:

(a+b)^2=a^2+2ab+b^2\qquad(*)\\\\\\2x^2+12x-14=0\qquad\text{divide both sides by 2}\\\\x^2+6x-7=0\qquad\text{add 7 to both sides}\\\\x^2+2(x)(3)=7\qquad\text{add}\ 3^2=9\ \text{to both sides}\\\\\underbrace{x^2+2(x)(3)+3^2}_{(*)}=7+9\\\\(x+3)^2=16\Rightarrow x+3=\pm\sqrt{16}\\\\x+3=-4\ or\ x+3=4\qquad\text{subtract 3 from both sides}\\\\x=-7\ or\ x=1

5 0
3 years ago
The volume of a suitcase is 4.2 cubic feet. what is the volume of a suitcase that is smaller by a factor of 0.9? round to the ne
ANEK [815]
The volume would be 0.9 x 4.2

This means it is 90% smaller

Don't forget to round the nearest tenth place. That's the first decimal, so you answer should only have 2 digits.
3 0
3 years ago
The solution set of an inequality is shown below.
DENIUS [597]
B is the correct answer because it shows the solution set of an inequality
3 0
2 years ago
A boat costs $17,200 and decreases in value by 13% per year. How much will the boat be worth after 7 years?
krek1111 [17]

Answer:

1.5 years

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Which equation illustrates dividing out a common factor as the first step to solve the equation 2 x + 4 = 6 x + 2 ? A. 2 ( x + 2
ioda

Answer:

Step-by-step explanation:

2x + 4 = 6x + 2

Bringing like terms on one side

4 - 2 = 6x - 4x

2 = 2x

2/2 = x

1 = x

3 0
3 years ago
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