Answer:
Dave is 18 and his sister is 6.
Step-by-step explanation:
If you do 38 -7x2 you can work out the combined ages of them now which is 24 (you have to do 7x2 because there are two of them and its seven years in the future). Then you can work out their ages using a ratio. Dave’s age : his sister’s age is 3:1 so if you divide 24 by 4 (3+1 = 4 so your can work out one portion of their age) you can find out how old the sister is which is 6. Times that by 3 to get Dave’s age which is 18. A formula for this (where x is his sisters age) would be 3x=38-7x2 which cancels down to 6.
Answer:
First, find the answer for 36 ÷ 4. Which is 9.
Now calculate each expression until you get the answer of 9.
4 ÷ 36 = 4 * 1/36 = 4/36 = 1/9
36 ÷ 1/4 = 36 * 4 = 144
1/36 * 1/4 = 1/144
36 * 1/4 = 36/4 = 9
So, the last option is the answer. D. 36 * 1/4.
Answer:
1,000 different combinations are possible
Step-by-step explanation:
Because if youre lock ckntained 3 single digit numbers it would have to be 0-9 so each digit would have 10 options so there would be 1,000 different combinations that are possible.
34 base five to 34 base ten is 19.
<u>Step-by-step explanation:</u>
Basically , In order to convert 34 from base 5 to base 10 , We skip consecutive 5 numbers after counting 5 numbers as shown below in table in base-5 table and , just increment 1 in base-10 table
<u>Base- 5 </u> <u>Base-10</u>
1 1
2 2
3 3
4 4
10 5
12 6
13 7
14 8
20 9
....... ....
34 19
34 base five to 34 base ten is 19.
Write the multiples of 5 (1,5,25,125,....) based on the no.of digits given. Then multiply and add to convert it into base 10
5 1
------------
3 4
------------
5 (3)+ 1(4) = 15+4 = 19
<span><u>How many grams in a kilogram you ask? Kilograms and grams (kg to g) mass units conversion factor are 1000. To find out how many grams in kilograms, multiply the kilogram value by 1000 or use the converter.</u>
If you need more help I will be glad to help!:D
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