Answer:
69,017,409
Step-by-step explanation:
Sixty-nine million = 69,000,000
Seventeen thousand = 17,000
Four hundred nine = 409
69,000,000 + 17,000 + 409
= 69,017,409
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8
of the box, and Bill has eaten
1
4
of the box of cereal. How many ounces are left in the box?
Answer:
2 ounces
Step-by-step explanation:
1 = 5/8 - 1/4 = 1/8
16 x 1/8 = 2 oz
Answer:
2 ounces left
Step-by-step explanation:
if anna ate 5/8 of the box, and Bill has eaten 1/4 of the box, then in total they’ve eaten 7/8 if the box (1/4 turns into 2/8 + 5/8)
1/8 of the box is left and 1/8 of 16 is 2. so 2 ounces would be left
Answer:
18
Step-by-step explanation:
A two-digit number (xy) will have the value 10x+y. The sum of its digits is x+y.
You want ...
10x +y = 2(x +y)
1 ≤ x ≤ 9
0 ≤ y ≤ 9
The equation can be simplified to ...
8x = y
The only single-digit values for x and y that satisfy the requirements are ...
x = 1, y = 8
The two-digit number of interest is 18.
_____
Check
Its sum of digits is 1+8 = 9. 2×9 = 18.
_____
Comment on the relationship in the problem
Many of us learned our multiplication tables for 9s by remembering that the sum of digits of 9n was 9, and that the leading digit of the product was n-1.
Answer:
the statement is x=y/8 the number is 18
Step-by-step explanation:
ur welcome.
Answer:
Average speed(S) is given by:
....[1]
where,
D is the total distance and t is the time.
As per the statement:
A gazelle that runs 140 meters in 5.0 seconds.
⇒D = 140 meters and t = 5 seconds
Substitute in [1] we have;
Simplify:
⇒S = 28 m/sec
Therefore, average speed of a gazelle is, 28 m/sec