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rosijanka [135]
4 years ago
8

Simplify (2x+3y)+(7x-3y)

Mathematics
2 answers:
dsp734 years ago
7 0
(2x + 3y) + (7x - 3y)
(2x + 7x) + (3y - 3y)
9x + 0y
9x
Radda [10]4 years ago
3 0
(2x+3y)+(7x-3y) First, group like terms together, so (2x+7x) + (3y-3y). Then simplify within the parentheses. 2x+7x = 9x and 3y-3y = 0, so you have 9x, which cannot be simplified any further. The answer is 9x.
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KiRa [710]
Sorry if this isn’t correct but I think its $11.9
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3 years ago
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a cylinder has a diameter of 24 inches. if its height is half its radius , what is the volume of the cylinder on cubic inches?
maksim [4K]

Answer:

approx. 905 in³

Step-by-step explanation:

The height is half its radius, and therefore the height is (1/2)(12 in), where 12 in represents half the diameter (24 in).

The formula for the volume of a cylinder of radius r and height h is

V = (1/3)(πr²)(h).  Using the values r = 12 in, h = (1/2)(12 in), we get:

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8 0
3 years ago
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Find the slope of the line through each pair of points (-17, 11) , (-12, 9) 
ad-work [718]

Answer:

M = -2/5

Step-by-step explanation:

To find the slope of a line when you know two points, use the following formula.

M = y₂ - y₁ ÷ x₂ - x₁

M = 9 - 11 ÷ -12 - (-17)

M = -2 ÷ 5

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Hope that helps.

3 0
3 years ago
Simplify 5p2 over 5p3
castortr0y [4]

Answer:

1/p^1

Step-by-step explanation:

5p^2/5p^3

  1. cancel the fives
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2. subtract denominator exponent from numerator exponent

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3. 1/p^1

4 0
3 years ago
I need help on questions 9, 10, and 11 please!
bulgar [2K]
In general, to find the surface area of a prism (a shape with 2 bases) is 
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#10 Area of Base= 120*2=240
Lateral Area=500
Answer=740
#11
Area of base=8*2=16
Lateral Area= 41.4
Answer=57.4

8 0
4 years ago
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