15 is the answer because 5 is a prime factor so 5 into 105=21 and 3 is another prime factor so 3 into 21=7 and 7 is another so 7 into 7=1 and 5+3+7=15
Hey You!
The images are blurry and I cannot make out most of the questions. I'll solve as many as I can see!
27. ANSWER:
Students A and D have a combined score of 0 because 4 + -4 = 0
___________________
28. SOLUTION/ANSWER:
STEP 1: 12.40 - 0.72 = 11.68
STEP 2: 11.68/2 = 5.84
Answer: Each souvenir cost $5.84.
___________________
29. SOLUTION/ANSWER:
(-68) - 214 = -282
Answer: The lowest elevation in California is -282 feet.
___________________
33. SOLUTION/ANSWER:
60/3 = 20
Answer: The diver's change in depth was -20 per min.
___________________
34. SOLUTION/ANSWER:
-43 - (-34) = -9. The difference between the two is -9.
___________________
35. SOLUTION/ANSWER:
-64.4 + (3.22) = -67.62
Answer: Equals -67.62
___________________
37. SOLUTION/ANSWER:
3.375 = 3 3/8 as a mixed number and 27/8 as an improper fraction.
Answer: 3 3/8 (or 27/8).
___________________
38. SOLUTION/ANSWER:
3 ÷ 5 = 0.6
5 + 0.6 = 5.6
Answer: 5 3/5 = 5.6
____________________
39. SOLUTION/ANSWER:
1.5 + 2.8 = 4.3
Haley jogged 4.3 km that day.
_____________________
I cannot see the other questions. If you can perhaps message them to me I can try to help you! :)
Answer:
10
Step-by-step explanation:
2x+5=25
25-5=20
20/2=10
Answer:
The average speed of the plain was 800 miles/h
Step-by-step explanation:
