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Umnica [9.8K]
3 years ago
9

X=-b/2a, for a .......

Mathematics
1 answer:
Fudgin [204]3 years ago
4 0

Answer:

a

Step-by-step explanation:

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Which rational number is greater? <br> —<br> 0.76 or 0.76? And why?
sertanlavr [38]
You have written exactly the same number twice, so neither of them is bigger.
5 0
3 years ago
2/3* (1/3+3 1/4 help pls now
ale4655 [162]

Answer:

43/18

Step-by-step explanation:

2/3(1/3+ 3 1/4)

  • First solve parenthesis.

2/3(1/3+ 3 1/4)

find the lowest common denominator (12) to add the two fractions.

1/3= 4/12;  

3 1/4= 13/4 = 39/12

4/12+ 39/12= 43/12

2/3(43/12)

  • Then multiply the fractions.

2/3(43/12)

Numerator: 2*43= 86

Denominator: 3*12= 36

86/36

  • Last simplify your fraction.

43/18 or 2 7/18

4 0
3 years ago
If AB=48 and BC=22, then AC=?
alexandr1967 [171]

If A, B and C are collinear, then

1) if B is between A and C:

AC = AB + BC

AC = 48 + 22 = 70

2) if C is between A and B:

AB = AC + BC

48 = AC + 22 |-22

AC = 26

3) if A is between B and C:

BC = AB + AC

22 = 48 + AC |-48

AC = - 26 < 0 FALSE

Answer:

if B is between A and C, then AC = 70

if C is between A and B, then AC = 26

4 0
3 years ago
Read 2 more answers
How would you estimate 412÷97?
marissa [1.9K]
Your answer would be 4.23 as the answer will be a long one, estimated.
6 0
3 years ago
Work out the circumference of this circle.
tigry1 [53]
C=pid
Since d=9m and pi=3.142, C=3.142*9m=28.278
Rounded to 1 decimal point =28.3
3 0
3 years ago
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