Answer + Step-by-step explanation:
<u>24 + 7 and 9×(24+7)</u>
31 and 9 x (31)
31 and 279
the number is multiplied by 9
<u>12 - 7 and 4x(12-7)</u>
5 and 4 x (5)
5 and 20
the number is multiplied by 4
<u>3×(21 + 4) and 21 + 4</u>
3 x (25) and 25
75 and 25
the number is multiplied by 3
making the left side 3 times larger
<u>40 × 5 and 40 × 20</u>
200 and 800
Step-by-step explanation:
- – 18q+10q+16q–3= – 19
- 8q=-19
- q=-19/8
- q=-2.375
Answer:
<u>169 sq. cm.</u>
Step-by-step explanation:
<u>Surface Area</u>
- SA (base) + SA (2 sides) + SA (2 faces)
- 9 × 5 + 2 × 7 × 5 + 1/2 × 2 × 6 × 9
- 45 + 70 + 54
- <u>169 sq. cm.</u>
There are three partial products in part a because both values, 273 and 346, have all numerical values, that aren't 0, so they can be multiplied and a value will be added.
There are only 2 partial products in part b because in 306, the tens place is worth 0 and anything times 0 = 0. There will be nothing to add for that value.