4 years ago

How many two digit whole numbers are increased by 18 when their digits are reversed?

1 answer:

7 0

To reverse by adding 18, the first digit must be smaller,and the second digit must be two greater.
Start with
13 -> 31
24 -> 42
35 -> 53
46 -> 64
57 -> 75
68 ->86
79 -> 97
That should be all together 7 two digit whole numbers.

You might be interested in

i like to ride on the interurban trail for a total distance of 30 miles. it takes me 2 hours. what is my average speed while rid

Tcecarenko [31]

Answer:

15mph

Step-by-step explanation:

So to figure this out you have to get the total unit rate by dividing 30 and 2 which in total gives you 15

So congratulations you can ride 15 miles per hour :)

6 0

3 years ago

Read 2 more answers

Find the area. 14 m 4.5 m 4.5 m 9m 12 m 3 m 3 m <br><br>plzzz help meeee

Natasha_Volkova [10]

Answer:

Step-by-step explanation:

4 0

3 years ago

What is the measure of the missing angle in this triangle<br> Yes

sladkih [1.3K]

Answer:

The measure of the missing angle is 25 degrees.

8 0

2 years ago

Read 2 more answers

You have 4 one-dollar bills and 4 five-dollar bills in your piggy bank. You select two bills at random, with replacement. What i

Mkey [24]

The probability that one would have selected 2 five-dollar bills is; 1/4.

<h3>What is the probability you will have selected 2 five-dollar bills?</h3>

It follows from the task content that the piggy bank contains; 4 one-dollar bills and 4 five-dollar bills to make a total of 8 bills.

Hence, provided the probability events are carried out with replacement, the probability to have selected 2 five-dollar bills is;

= 4/8 × 4/8

= 1/4.