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Shtirlitz [24]
3 years ago
15

B. Suppose Q is the midpoint of PR. What is the justification for the statement that PQ = QR?

Mathematics
1 answer:
Natasha2012 [34]3 years ago
5 0
The midpoint bisects PR, making it 2 equal halves.
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Can anyone help me with this math? It's not multiple choice.<br> (It's not C)
Brilliant_brown [7]

Answer:

c po. scle factor po

Step-by-step explanation:

tama po yan

4 0
2 years ago
A rational function g is given below. Find all values of a for which ​g(a)=16. g(x)=(4)/(x+1)+(20)/(x^(2)+2x+1)
aliina [53]

Answer:

a = 2/3

Step-by-step explanation:

(4(x+1) + 20 )/(x+1) = 16

4x + 4 + 20 = 16x + 16

12x = 8

x = 2/3

3 0
3 years ago
Tickets to a school play cost $2 if bought in advance, and $3 if bought at the door. By selling all 400 of their tickets, $1030
Vitek1552 [10]

Answer:

230 were sold at the door

170 were sold in advance

Step-by-step explanation:

*i dont know if this is the proper way to do it but it has the correct answer

x=at door y=in advance

x+y=400

3x+2y=1030

y=-x+400

2y=-3x+1030

y=-3/2x+515

-x+400=-3/2x+515

x=230 y=170

4 0
3 years ago
Read 2 more answers
if the equation x^2 +(k+2)x+2k=0 has equal roots,then the value of k is .....a.2 b.-2 c 1/2 d.none ​
blsea [12.9K]

Answer:

k=2

Problem:

if the equation x^2 +(k+2)x+2k=0 has equal roots,then the value of k is ..

Step-by-step explanation:

Since the coefficient of x^2 is 1, we can use this identity to aid us: x^2+bx+(b/2)^2=(x+b/2)^2.

So we want the following:

[(k+2)/2]^2=2k

Apply the power on the left:

(k+2)^2/4=2k

Multiply both sides by 4:

(k+2)^2=8k

Expand left side:

k^2+4k+4=8k *I used identity (x+c)^2=x^2+2xc+c^2

Subtract 8k on both sides:

k^2-4k+4=0

Factor using the identity mentioned a couple lines above:

(k-2)^2=0

Since zero squared is zero, we want k-2=0.

Adding both sides by 2 gives k=2.

8 0
3 years ago
&lt;5 and &lt;6 are complementary angles m&lt;5=13 what is the measure of &lt;6
Fiesta28 [93]
The measure of angle 6 can be found by subtracting the measure of angle 13 from 90.

90-13 = 77
6 0
3 years ago
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