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timurjin [86]
2 years ago
13

What is the value of 9a- 3 if a= 2 PLEASE ANSWER FAST 15 POINTS

Mathematics
2 answers:
nirvana33 [79]2 years ago
4 0
Answer
9 (2) -3
18-3 = 15
matrenka [14]2 years ago
3 0

Answer:

15

Step-by-step explanation:

If a=2 that means 9(2)-3

Do multiplication first

9x2=18

Then subtract 3

18-3=15

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Is 8/10 greater than 1/2
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Yes because 8/10 as a decimal is 0.8 while 1/2 is 0.5
5 0
3 years ago
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Solve the system using the addition method. State your solution as an ordered pair.
vladimir1956 [14]

Solution as ordered pair is:

(5,\frac{41}{2})

Step-by-step explanation:

Solving the system of equations:

3x+2y=56\,\,\,(1)\\9x-2y=4\,\,\,(2)

Adding equation(1) and equation(2)

3x+2y=56\\9x-2y=4\\--------\\12x=60\\x=\frac{60}{12}\\x=5

Putting value of x i.e x=5 in equation(1)

3x+2y=56\\3(5)+2y=56\\ 15+2y=56\\2y=56-15\\2y=41\\y=\frac{41}{2}\\y=\frac{41}{2}

So, value of x=5 and y=\frac{41}{2}

Solution as ordered pair is:

(5,\frac{41}{2})

Keywords:System of Equations

Learn more about System of Equations at:

  • brainly.com/question/6075514
  • brainly.com/question/7490805
  • brainly.com/question/13168205

#learnwithBrainly

6 0
3 years ago
Multiply 4x 1/2. And 1/2 x3/4. Also 3/4 x1/3. Please need help with this
yaroslaw [1]
4 x 1/2 would be 2 and 1/2 x 3/4 is 3/8 Hope this helps 
Brainliest??
8 0
3 years ago
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1. What has left tons of “space junk” in orbit around the earth?
pav-90 [236]
Maybe try searching it up cause I’m not exactly sure if my answers would be right
5 0
3 years ago
What is the area of the parallelogram? Show your work. (5 points)
stepan [7]
Part A. The formula for finding the area of a parallelogram is A=bh where A is the area, b is the base and h is height.
A=bh where b=8 feet ,h=3/4 foot and A=?
A=8*3/4
A=6 feet The area of the parallelogram is 6 feet square
Part B.You can decompose a parallelogram into two triangles by drawing a diagonal from one end to the another.The formula for finding the area of each triangle is A= 1/2bh where A is area b is base and h is height.Therefore:
A=1/2bh where b=8 h is 3/4 and A=?
A=1/2*8*3/4
A=3 feet square. Therefore the area of each triangle is 3 feet square.


4 0
3 years ago
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