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trapecia [35]
3 years ago
9

Please help!! :) Will give brainliest!

Mathematics
1 answer:
stich3 [128]3 years ago
7 0
Answer is A
144 + 12y + y^2 

if perfect square should be
144 + 24y + y^2 
You might be interested in
ID: A
snow_tiger [21]

Answer:

13.63 miles per hour

Step-by-step explanation:

100 yards / 15 sec  converted to miles per hour

<u>100 yards</u> x <u> 60 sec</u>   x  <u> 60 min</u>   x  <u> 1 mile     </u>    =  13.63 miles/hr

   15 sec        1 min          1 hr           1760 yards

the mistake on Mrs Dukes is the conversion from miles to yards.

1 mile = 1760 yards NOT 5280 yards

7 0
3 years ago
Does the distance Ella runs vary directly with the time. (How do you know?
Kazeer [188]

No because she can run slow and waste time and not get that far and it will be 3 min. But if you go fast and stop at the same distance it won’t take as long because of your SPEED.

4 0
3 years ago
Read 2 more answers
What are the expressions to fin the radius of an object having a circumference of 46 feet
dolphi86 [110]
Since the equation for solving circumference is 2\pir, you can see that 2\pir = 46. Dividing 2\pi on both sides will give you r, or the radius.
Hope this helped! :)
3 0
3 years ago
HELP PLEASE Will give brainliest if it helps.
AnnyKZ [126]

Answer:

2x+23

Step-by-step explanation:

The perimeter of a triangle is calculated by adding the sum of all sides.

Therefore, in the given problem, the perimeter will be:

Perimeter = 21-x + 2x-3 + x+5

= 2x+23

6 0
3 years ago
If m=5, evaluate the following: 20-5m =​
MissTica

Answer:

-5

Step-by-step explanation:

20-5m

20-5(5)

20-25

5.

Is this the answer that you are looking for?

6 0
3 years ago
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