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snow_lady [41]
3 years ago
9

(x-4)^2+(y+12^2)=17^2 what is the length of its radius

Mathematics
2 answers:
sesenic [268]3 years ago
8 0
(x-4)^{2} + (y+12)^{2} = 17^{2}  \\  x^{2} + y^{2} = r^{2}  \\  r^{2} = 17^{2}  \\  \sqrt{ r^{2} } = \sqrt{ 17^{2} }  \\ r=17
Artyom0805 [142]3 years ago
3 0
\text{The standard form equation of a circle is }(x-x_1)^2+(y-y_1)^2=r^2\\\\
(x-4)^2+(y+12)^2=17^2 \\
\Downarrow\\
r^2=17^2\\
r=17
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You work at a grocery store. Potatoes are sold for half a dollar each, including tax. How many cents should a customer expect in
cluponka [151]

Answer:

50

Step-by-step explanation:

so half a dollar is $0.50. We multiply by 9, which gives you $4.50. But the customer gave $5, so they would get $0.50 back.

3 0
3 years ago
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PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!
s2008m [1.1K]

Answer: 912

===================================

Work Shown:

The starting term is a1 = 3. The common difference is d = 5 (since we add 5 to each term to get the next term). The nth term formula is

an = a1+d(n-1)

an = 3+5(n-1)

an = 3+5n-5

an = 5n-2

Plug n = 19 into the formula to find the 19th term

an = 5n-2

a19 = 5*19-2

a19 = 95-2

a19 = 93

Add the first and nineteenth terms (a1 = 3 and a19 = 93) to get a1+a19 = 3+93 = 96

Multiply this by n/2 = 19/2 = 9.5 to get the final answer

96*9.5 = 912

I used the formula

Sn = (n/2)*(a1 + an)

where you add the first term (a1) to the nth term (an), then multiply by n/2

-----------------

As a check, here are the 19 terms listed out and added up. We get 912 like expected.

3+8+13+18   +23+28+33+38    +43+48+53+58    +63+68+73+78   +83+88+93 = 912

There are 19 values being added up in that equation above. I used spaces to help group the values (groups of four; except the last group which is 3 values) so it's a bit more readable.

5 0
3 years ago
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Sergio [31]

Answer:

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Step-by-step explanation:

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'product and' means multiply I googled it

7 0
3 years ago
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siniylev [52]
We can first turn the text into a proper formula:

x plus 10 plus 6 x plus 2 x

x+10+6x+2x

The like terms are the numbers with

We can then put the like terms together to continue the calculation:

x+6x+2x+10

=9x + 10

Therefore, the answer is 9x + 10.

Hope it helps!
7 0
2 years ago
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18 is ( blank ) % of 30
meriva
Make an equation.

'is' is an equal sign

The blank can be 'x'

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