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timama [110]
3 years ago
13

With the equation 2/10=4/a-3 what does a equal?

Mathematics
1 answer:
shusha [124]3 years ago
5 0

Answer:

23

Step-by-step explanation:

Since 2/10 = 4/20, we know that a-3 = 20, so a = 20 + 3 = 23.

You might be interested in
The area of a circular field is 154msqu. What is the perimeter of the field?(pi=22/7) 44 49 88 176
OLga [1]

Answer:

44m

Step-by-step explanation:

A = \pir² = 154

   = 22/7 * r² = 154

   = r²  = 154 * 7/22

   = r²  = 49

   = r = √49

   = r = 7m

Perimeter of circle = 2\pir

                               = 2 * 22/7 * 7

                               = 44/7 * 7

                               = <u>44 m</u>

<u></u>

Hope it helps

Mark it as Brainliest

     

7 0
3 years ago
Read 2 more answers
HELP WILL MARK BRAINLYESt
Tcecarenko [31]

Answer:

i dont understand the problem, please explain to me what is going on?

Step-by-step explanation:

6 0
2 years ago
the measure of one side of a square is (s+3) inches long. which pair of expressions both represent the perimeter of this square?
stich3 [128]
Answer:
perimeter = 4s + 12 inches
perimeter = 4(s+3) inches

Explanation:
We are given that the side length of the square is s+3 inches
In a square, all sides are equal. This means that all four sides are s+3 inches
Now, to get the perimeter, we would add all four sides as follows:
perimeter = s+3+s+3+s+3+s+3 = 4s + 12 inches
For a square, since all sides are equal, we can simply get the perimeter by multiplying the side length by 4 as follows:
perimeter = 4(s+3) inches

Hope this helps :)

4 0
3 years ago
Find the sum of two consecutive numbers of the smallest one is n − 2.
Zina [86]

Answer:

2n - 3

Step-by-step explanation:

(n-2) + (n-1) = 2n - 3

6 0
3 years ago
Evaluate -5 to the power of 2​
xeze [42]

Answer:

the answer is -25

Step-by-step explanation:

-5 x -5= -25

negative x negative= negative

5 0
3 years ago
Read 2 more answers
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