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ivolga24 [154]
4 years ago
5

PLEASE ANSWER ASAP!!!

Mathematics
1 answer:
Elanso [62]4 years ago
5 0

Answer:

r = 19

Step-by-step explanation:

( r-5) /2 = ( r+2) /3

The least common denominator is 6

3/3 *( r-5) /2 = ( r+2) /3 * 2/2

3( r-5) /6 = 2( r+2) /6

Since the denominators are the same, the numerators are the same

3( r-5) = 2(r+2)

Distribute

3r -15 = 2r+4

Subtract 2r from each side

3r-2r -15 = 2r+4-2r

r-15 =4

Add 15 to each side

r-15+15 = 4+15

r = 19

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What is the greatest perfect square that is less than 55
Sunny_sXe [5.5K]

Answer:

\sqrt{49}

Step-by-step explanation:

\sqrt{49} =7

The square root of 49, which is the greatest perfect square that is less than 55.

A perfect square that is the nearest, greater perfect square to \sqrt{49} is \sqrt{64}.

There are no other perfect squares in between \sqrt{49}<em> </em>and \sqrt{64} there are only decimals.

Therefore, \sqrt{49} is your answer.

<u>Proof:</u>

<u />7^{2} =49

8^{2}=64

8 0
3 years ago
GEOMETRY HELP!!
Vlada [557]

Answer:

0

Step-by-step explanation:

To find the coordinate of the midpoint of segment QB, first, find the distance from Q to B.

QB = |4 - 8| = |-4| = 4

The coordinate of the midpoint of QB would be at ½ the distance of QB (½*4 = 2).

Therefore, coordinate of the midpoint of QB = the coordinate of Q + 2 = 4 + 2 = 6

OR

Coordinate of B - 2 = 8 - 2 = 6

Coordinate of the midpoint of QB = 6

Coordinate of W = -8

Coordinate of A = 0

distance from W to A (WA) = |-8 - 0| = |-8| = 8

The coordinate of the midpoint of WA would be at ½ the distance of WA = ½*8 = 4.

Therefore, coordinate of the midpoint of WA = the coordinate of W + 4 = -8 + 4 = -4

Or

Coordinate of A - 4 = 0 - 4 = -4

Coordinate of the midpoint of WA = -4

Now, let's find the midpoint between the two new coordinates we have found, which are -4 and 4

Distance of the segment formed by coordinate -4 and 4 = |-4 - 4| = |-8| = 8

Midpoint = ½*8 = 4

Coordinate of the midpoint = -4 + 4 = 0

Or

4 - 4 = 0

5 0
4 years ago
so i know this isn't school-related but I'm a circus performer and i have a performance Sunday and i don't know if i should put
choli [55]

Answer:

10

Step-by-step explanation:

6 0
3 years ago
3 1/8 Written as Decimal​
Minchanka [31]

Answer:

3.125

Hope this helps!

6 0
3 years ago
Read 2 more answers
What property will you use to solve this equation;<br> 19+n=30
mr Goodwill [35]

Answer:

i think its multiplication property of equality

Step-by-step explanation:

19 + n = 30

19 + n - 19 = 30 - 19

n = 11

6 0
3 years ago
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