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sertanlavr [38]
3 years ago
5

Are these all correct ? If not please let me know

Mathematics
2 answers:
Licemer1 [7]3 years ago
8 0
They are all correct except in 5), 4+8 is 12, not 13.
Ulleksa [173]3 years ago
3 0
First set on number two, second set on number five (these are wrong)
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Complete this statement:<br> 45ax2 + 27ax + 18a = 9a(
mihalych1998 [28]

Answer:

9 a (5 x^2 + 3 x + 2)

Step-by-step explanation:

Simplify the following:

45 a x^2 + 27 a x + 18 a

Factor 9 a out of 45 a x^2 + 27 a x + 18 a:

Answer: 9 a (5 x^2 + 3 x + 2)

7 0
3 years ago
Please help!! I Will give brainliest!! Just the coordinates will be fine!!
Lerok [7]

Answer:

(2, 1) (1, 5) and (4, 3)

Step-by-step explanation:

Basically switch the x and y axes, and depending on the quadrant, switch the negative and positive signs to their appropriate ones.

hope this helps!

please heart and five-star it if u have the chance! :D

6 0
3 years ago
State the domain and the range of the graph of f(x) = 4
Anastaziya [24]
Domain: (-infinity, infinity)
range: (-infinity, infinity)
7 0
3 years ago
Surface Area of Cylinder=2πrh+2πr2
Alex

  • Find the surface area when r is 8 inches and h is 8 inches.

\qquad A. 160π in²

\qquad B. 154π in²

\qquad C. 288π in²

\qquad D. 256π in² ☑

We are given –

\qquad ⇢Radius of cylinder , r = 8 inches

\qquad⇢ Height of cylinder, h = 8 inches.

We are asked to find surface area of the given cylinder.

Formula to find the surface cylinder given by –

\bf \star \pink{ Surface\: Area_{(Cylinder)} = 2\pi rh +2\pi r^2 }

Now, Substitute given values –

\sf  \twoheadrightarrow  Surface\: Area_{(Cylinder)} = 2\pi rh +2\pi r^2

\sf  \twoheadrightarrow Surface\: Area_{(Cylinder)}  = 2 \pi \times 8 \times 8 + 2\pi \times 8^2

\sf  \twoheadrightarrow Surface\: Area_{(Cylinder)} = 2 \pi \times 8^2 + 2\pi \times 8^2

\sf  \twoheadrightarrow Surface\: Area_{(Cylinder)} = 2\pi \times 64 +2\pi \times 64

\sf  \twoheadrightarrow Surface\: Area_{(Cylinder)}  =128 \pi + 128\pi

\purple{\bf  \twoheadrightarrow Surface\: Area_{(Cylinder)}  = 256\pi \: in^2 }

  • Henceforth,Option D is the correct answer.

8 0
2 years ago
A can of soup contains 2 servings. Each serving has 130 calories in it. How many calories are there in the whole can?
Allisa [31]
There are 260 calories in the whole can.
to get this you multiply the calories in one serving by the amount of total servings, in this case 2.
6 0
3 years ago
Read 2 more answers
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