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Alex787 [66]
3 years ago
8

Find the perimeter of a regular octagon whose side is "a" units

Mathematics
1 answer:
Zinaida [17]3 years ago
4 0

Answer:

I think its 8a because in a regular octagon we have 8 sides.

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There are 30 total apples of red and 6 total apples of yellow what is the percentage of yellow apples of
Bas_tet [7]

Answer:

20%

Step-by-step explanation:

30:6=5

yellow apples - 1/5 of 30

20x5=100

20%/30=6

8 0
3 years ago
5x + 6y = 18 and 18x -15y =36
stira [4]
5x+6y=18

5x=18-6y

x=(18-6y)/5

Use that in the other equation
18(18-6y)/5 - 15y = 36

64.8-21.6y - 15y = 36

28.8=36.6y
.7868=y

Now put that number in for y on the first equation

5x+6(.78) = 18
5x + 4.68 = 18
5x = 13.32
x = 2.66
and y = .78


4 0
4 years ago
Read 2 more answers
What is the volume of the figure below, which is composed of two cubes with side lengths of 7 units?
wariber [46]

Answer:

B) 686 cubic units

Step-by-step explanation:

If one cube has a side length of 7, then it equals to 343 cubic units. Since there are 2 cubes, this translates to 686 cubic units.

6 0
2 years ago
An athlete suspected of having used steroids is given two tests that operate independently of each other. test a has probability
Ludmilka [50]
There is a 2.4% chance of getting two negative tests.

The chance the first test is positive is 0.92, therefore the chance it is negative is 0.08.

The chance the second test is positive is 0.3, therefore the chance is it negative is 0.3.

To find the chance that both tests are negative, we have to multiply them together.

0.08 x 0.3 = 0.024 = 2.4%
8 0
3 years ago
If F(x) = x - 1 and G(x) = 5x + 2, then find (FºG)(2) *
tiny-mole [99]

Answer:

11

Step-by-step explanation:

First, fund the value of G(2),

g(2) = 5(2) + 2 = 12

Plug 12 in for f(x).

f(12) = 12 - 1 = 11

7 0
3 years ago
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