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katen-ka-za [31]
3 years ago
6

Justifying Graphs

Mathematics
1 answer:
Elis [28]3 years ago
8 0

Answer:

the correct answer is b in case of number 1

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*20 points*
sergeinik [125]

Answer:

c=9

d=3

Step-by-step explanation:

We have been asked:

What value of c makes x2 + 6x + c a perfect square trinomial?

c =  

If x2 + 6x + c = (x + d)2, then d =

First step we have to do is divide the coefficient of x by 2. The coefficient is 6

6/2 = 3

Now take the square of 3 = 3^2

3^2 = 3*3 =9

The value of c is 9

If x^2 + 6x + c = (x + d)^2, then d =?

Put the value of c in the equation:

x^2+6x+9

Take the square root of 1st and third term. Then the expression can be written as:

x^2+6x+9 = (x+3)^2

Thus the value of d is 3.

If x^2 + 6x + 9 = (x + 3)^2, then d = 3 .....

6 0
3 years ago
Find the distance between the points (6, 5 √2.) and (4, 3 √2).
Natali5045456 [20]
D= sqrt(  (6-4)^2 + (5sqrt2 - 3sqrt2)^2 ) 

It's d= 3,46 i think
5 0
3 years ago
Read 2 more answers
Zander wants to find out what the most popular sporting event is in the district’s high schools. He surveys a sample of the popu
Leokris [45]

Answer:

Surveying a sample would be valid if the population contains a diverse group of people.

7 0
3 years ago
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Fill in the blanks below in order to justify whether or not the mapping shown
MrRa [10]

Answer:

wheres the picture?

Step-by-step explanation:

6 0
3 years ago
Solve for u 2(4u-9)=14<br> plzzzz <br> will give brailiest
lions [1.4K]
ANSWER:
u=4

EXPLANATION:
distribute the 2 and simplify.

5 0
3 years ago
Read 2 more answers
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