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olchik [2.2K]
2 years ago
13

What is 3b + 12 divided by 2

Mathematics
2 answers:
goldenfox [79]2 years ago
6 0
3(b+2) hope this helps
sp2606 [1]2 years ago
3 0

the answer is 3(b+2)

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A metal bar has the D of 7.9 g/mL. If the volume of the bar is 500mL, what is the mass in kg?​
morpeh [17]

Answer:

It will be 0.5kg cuz kg and liters are same

8 0
3 years ago
PLS HELP IF U CAN <br> where is the graph increasing? <br> options: x&lt;0 or x&gt;0
boyakko [2]

Answer:

x>0

Sorry to say this but im speechless when I read the question

no hard feelings

keep studying

Step-by-step explanation:

5 0
3 years ago
2x - 3y = -5<br> 5x - 22 = -4y<br><br> Solve In Multiplication Method
Nimfa-mama [501]

Answer:

(2, 3 )

Step-by-step explanation:

Given the 2 equations

2x - 3y = - 5 → (1)

5x + 4y = 22 → (2) [ rearranged equation ]

Multiplying (1) by 4 and (2) by 3 and adding will eliminate the term in y

8x - 12y = - 20 → (3)

15x + 12y = 66 → (4)

Add (3) and (4) term by term to eliminate y, that is

23x = 46 ( divide both sides by 23 )

x = 2

Substitute x = 2 in either of the 2 equations and evaluate for y

Substituting into (2)

5)2) + 4y = 22

10 + 4y = 22 ( subtract 10 from both sides )

4y = 12 ( divide both sides by 4 )

y = 3

Solution is (2, 3 )

4 0
3 years ago
If AB = 8, and OX = 3 and is the perpendicular bisector of AB, which is the length of the diameter of this circle?
Sladkaya [172]

Answer:

  C.  5

Step-by-step explanation:

OXA is a 3-4-5 right triangle, so the circle radius is OA = 5.

_____

By the Pythagorean theorem,

  AO² = OX² +AX² = 3² +4² = 9 +16 = 25

  AO = √25 = 5 . . . . circle radius

_____

<em>Comment on Pythagorean triples</em>

The triple of integers (3, 4, 5) is the smallest triple of integers that satisfies the relation of the Pythagorean theorem. The next smallest set is (5, 12, 13). These, and a few other similar triples such as (7, 24, 25) and (8, 15, 17) are often used in algebra and geometry problems because they make the numbers work out nicely. It is worthwhile to learn to recognize these.

7 0
2 years ago
EXTRA POINTS---Set up an equation and find the value of x.
mars1129 [50]

Answer:

13) x = 30

14) x = 22.5

15) x = 36

Step-by-step explanation:

13) 4x+2x = 180

6x = 180

x = 30

14) 3x+5x = 180

8x = 180

x = 22.5

15) 2x+3x+2x+3x = 360

10x = 360

x = 36

8 0
3 years ago
Read 2 more answers
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