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Gemiola [76]
3 years ago
15

Does it lie inside, outside, or on the circle?​

Mathematics
1 answer:
FrozenT [24]3 years ago
8 0

Answer:

<u>Given circle:</u>

  • (x - 4)² + y² = 25

The center is at (4, 0) and the radius is 5 units

<u>Lets find the distance from (7, 2) to the center of the circle:</u>

  • <u />d = \sqrt{(7 - 4)^2 + (2 - 0)^2}  = \sqrt{9+4} = \sqrt{13} < 5

Since d < 5, the point (7, 2) lies <u>inside</u> the circle

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I just need some quick help with this. Distributive properties aren't my best section.
Anni [7]
In this case u can’t use the distributive property. U just multiple whats in the parenthesis (39•5)=195 and that’s ur answer.
Let’s say if the problem said 5(2+1) u can’t use the distributive property bc u have to do what’s in the parentheses first. 5(3)=15
But If u had a problem like 2(4x+6) then u can use the distributive property. This is bc u can’t add 4x+6 bc they aren’t like terms. So u multiple the 2 by 4x which is 8x and the 2 by 6 which is 12 then ur answer would be : 8x+12
4 0
2 years ago
Number 7 please! I need help badly
melamori03 [73]

Answer:

A computer costs $225 and a printer $150.

Step-by-step explanation:

Let c be the cost of a computer and p the cost of a printer, then:

3c + p   = 825

4c + 2p = 1200

Multiply the first equation by -2:

-6c - 2p = -1650

Add this to the second equation:

-2c = -450

c = 225.

Now substitute  c = 225 in the first equation:

3*225 + p = 825

p = 825 - 675 =  150.

7 0
2 years ago
In the diagram below QRS=NMP what is length in inches of MP
Veronika [31]
Mp is congruent to rs
7 0
3 years ago
Eighteen boys joined a group of p students in the auditorium. If the ratio of boys to girls was then 5:4 write and algebraic exp
ycow [4]

Answer:  The number of girls in the auditorium is represented by the algebraic expression y=(4x +72) /5

Step-by-step explanation:

Hi, to answer this question we have to analyze the information given:

  • <em>Number of boys added: 18 </em>
  • <em>Ratio of boys to girls: 5:4 </em>

So, the total number of boys is:

x + 18  

Number of girls = y

Number of boys / number of girls = 5/4

(x+18) /y = 5/4

Solving for "y"

4 (x +18) =5 y

4x +72 = 5y

(4x +72) /5 = y

The number of girls in the auditorium is represented by the algebraic expression y=(4x +72) /5

8 0
3 years ago
I NEED HELP PLS AND THX &lt;3
timama [110]
I think it’s 0.1

1 pizza divided 10 slices = 0.1
4 0
3 years ago
Read 2 more answers
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