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Neko [114]
3 years ago
11

Answer 21 & 22 for BRAINLIEST

Mathematics
2 answers:
Debora [2.8K]3 years ago
4 0
I believe that 21 is d 27 over 17
I believe that 22 is d because 16 divided by 3.20 is 5
sorry if I am wrong 

I hope this helps you
ioda3 years ago
4 0
Here is the Answer To Number 22-> 16 divided by 3.20= 5 = 50 !

Now for 21 I tried my Best and Got D 21/17

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4+2y<18 help please
Ulleksa [173]

Answer: 2

Step-by-step explanation:

We don't know what is the Y.

Then, 4 + 2y < 18 is:

6y < 18

If y=2, it'll make this equation true.

6*2 < 18

12 < 18.

So, Y=2

8 0
2 years ago
Is ( -1 , 2 ) the solution to the system involving y=-1x+1and y=3x+5?
Margaret [11]

Answer:

yes

Step-by-step explanation:

plug it in 1(-1)+1 and 3(-1)+5

5 0
3 years ago
A parabolic microphone used on the sidelines of a professional football game uses a reflective dish 24 inches wide and 6 inches
Strike441 [17]
The answer is a.
When you are solving problems like this you would use the equation y^2=4ax. The x and Y would be the coordinates. Based on the equation you have given the coordinates would be (6,12) and (6,-12), (24 is split up evenly between the y-axis).  
Then we go on to solve the equation by plugging in the numbers 12^2=4a(6)
144=24a
144/24=24a/24
6=a
5 0
3 years ago
Two cyclists start at the same point and travel in opposite directions. One cyclist travels 4 mile per hour slower than the othe
jeyben [28]

Answer:

12 mph and 16 mph

Step-by-step explanation:

distance = speed * time

56 = s * 2 + (s - 4) * 2

56 = 2s + 2s - 8

56 = 4s - 8

64 = 4s

16 = s

s = 16

s - 4 = 12

5 0
2 years ago
Read 2 more answers
What is 15+12x-5x+4y-7 by combining like terms
luda_lava [24]

Answer:

8+7x+4y

Step-by-step explanation:

15-7 is 8

12x-5x is 7

Put it all together to get 8+7x+4y

7 0
3 years ago
Read 2 more answers
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