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Softa [21]
4 years ago
15

What is the sum of the liner expressions -3x + 4 and -12x -27

Mathematics
1 answer:
NISA [10]4 years ago
5 0
-3x+ 4=1 and -12x -27=324
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Solve the following equation. -2x+4=2(4x-3)-3(-8+4x)<br> x=7<br> x=2<br> x=-7<br> x=3
Sergio [31]
The answer is x=7 is the answer
6 0
3 years ago
Factor using the GCF: 49x - 7
nikitadnepr [17]

49x - 7

  • Factor out 7 from the expression and remaining will be

7(7x - 1)

<h3>Hence,Option C is correct..</h3>
6 0
3 years ago
This pyramid has the same base as the prism, and its height is three times the height of the prism. What is the ratio of the vol
solong [7]

Answer:

Option A is the correct answer.

Explanation:

 Let A be the base area and h be the height of prism.

 Volume of prism =  Base area x Height = a x h =ah

 Now we have base area of pyramid = Base area of prism = a ( both have same type of base)

Height of pyramid = 3 x height of prism = 3h

Volume of pyramid = 1/3 x Base area x Height = 1/3 x a x 3h = ah

Comparing both volumes, we will get Volume of prism = Volume of pyramid

So their ratio is 1.

Option A is the correct answer.

6 0
4 years ago
Mathematics!! Algebra
Law Incorporation [45]
X+20+10x=20+9x
adding like terms
x(10+1)+20=20+9x
11x+20=9x+20
subtracting 9x from both sides
2x+20=20
subtracting 20 from both sides
2x=0
dividing by two for both sides
x=0
7 0
4 years ago
Read 2 more answers
What is the volume of a cylinder with a radius of 30 cm and a height of 15 cm PLEASE IM BEGGING PLEASE HELP
MAVERICK [17]

Answer:

We need to find the area of the base/circle then multiply it by the height so if you know the formula area of a circle your good to go.

30^2 = 900

900 x 3.14 =2,826

Now lets multiply the base's area/circle by the height!

2,826 x 15 = 42,390 cm^3(cm cubed) is your answer.

3 0
3 years ago
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