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34kurt
3 years ago
6

Answer quickly 8x + 2y + 9 + 12x − 3

Mathematics
2 answers:
prohojiy [21]3 years ago
6 0
20x + 2y + 6 (simplified)
Blizzard [7]3 years ago
3 0

Since there is no answers to equate my answer with, 20x + 2y + 6 is the answer.

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Circle A has a diameter of 9 inches, a circumference of 28.26 inches, and an area of 63.585 square inches. The diameter of circl
sergiy2304 [10]
A) The equation for circumference is C=2piR. So Filling in for circle A we have 28.26=2*pi*4.5 so we want to isolate pi which I'm gonna call x for it's easier for me xD. So we're gonna start by dividing 4.5 from each side which is gonna leave us with 6.28=2*x which gives you x(pi)= 3.14. For circle B we have 15.70=2*x*2.5 isolate x by first dividing 2.5 which leaves us again with 6.28=2x and x= 3.14. 
B) The equation for area is A=piR^2. So again for circle A we have 63.585=x9^2. This one is harder but also are you sure that the area is 63.585 it's supposed to be 254.469 (We'll come back to this)
C) The observation you can make about the value of pi for circles A and B is that it stays consistent at 3.14
8 0
3 years ago
What is<br> absolute<br> value?
lapo4ka [179]

Answer:

The absolute value of a number means the distance from 0. -5 is 5 units away from 0. So the absolute value of that -5 is 5. You cannot have negative distance, so it has to be positive.

Step-by-step explanation:

7 0
2 years ago
F m∠A = 110 degrees and m∠B = 35 degrees, find m∠1.
NISA [10]
I think M<1 will equal 35 degrees.
5 0
3 years ago
No links or spam i will report! please help thank you!&lt;3
ArbitrLikvidat [17]

Answer:

A. The two lines are neither parallel nor perpendicular.

Step-by-step explanation:

8 0
3 years ago
Find the lateral and total surface area for the cone. If necessary, round to the nearest tenth and leave the
bija089 [108]

9514 1404 393

Answer:

  • 262.2π cm²
  • 392.16π cm²

Step-by-step explanation:

The lateral surface area is the product of half the circumference, and the slant height:

  LA = πrh = π(11.4 cm)(23 cm) = 262.2π cm²

The total surface area adds the area of the base to that:

  A = πr² +LA = π(11.4 cm)² +262.2π cm² = (129.96 +262.2)π cm²

  A = 392.16π cm²

3 0
3 years ago
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