Answer:
3. 102
4. c
Step-by-step explanation:
For number 3:
(c^2 - a) + b becomes (10^2 - 3) + 5
10^2 = 100
100 - 3 + 5 = 102
For number 4:
Usually when you see distributive property, you're multiplying into parentheses. This time you're factoring out.
20c - 8d
It's not a, because that would be 20c + 8d
It's not b, because that would be 20c -32d
It is c, because 4 x 5c = 20 c and 4 x -2d = -8d
It's not d, because that would be 20c- 8cd
She can do 9 books and no she dont have any left over
Answer:
A, B and C.
Step-by-step explanation:
If its a right triangle then c^2 = a^2 + b^2 where a, b and c are the 3 sides, c being the hypotenuse.
3^2 + 6^2 = 9 + 36 = 45
and (√45)^2 = 45 so the first set (A) is a right triangle.
2.5^2 + 6^2 = 6.25 + 36 = 42.25.
6.5^2 = 42.25 so B is also a right triangle.
C:
4^2 + 8^2 = 16 + 64 = 80
(√80)^2 = 80 so C is right-angled also.
Answer:
For 5 packets of flavoring, ounce of water = 60.
For 84 ounces of water, number of packets of flavoring = 7.
For 10 packets of flavoring, ounce of water = 120.
For 144 ounces of water, number of packets of flavoring = 12.
Step-by-step explanation:
From the table, it is clear that the ratio between the packets of flavoring to ounce of water is 2:24 = 1:12.
So, for 5 packets of flavoring, ounce of water = 5 × 12 = 60.
For 84 ounces of water, number of packets of flavoring = 7 × 1 = 7.
For 10 packets of flavoring, ounce of water = 10 × 12 = 120.
For 144 ounces of water, number of packets of flavoring = 12 × 1 = 12.
Please refer to the attached table.
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