Answer:
1) (m+3)2
2) (b+6)2
3) (3n−2)^2
Step-by-step explanation:
The unit rate represents 2 miles in 0.25 hour is 8 miles per hour
Step-by-step explanation:
Let us revise the meaning of rate and unit rate
1. A rate is a ratio that is used to compare different types of quantities
2. A unit rate shows how many units of the first type of quantity
corresponds to one unit of the second type of quantity
Examples:
Cost per item
Distance per hour
∵ Zephra ran 2 miles in 0.25 hour
- To find the unit rate make the denominator of the ratio = 1
∵ The unit rate = 
- Divide up and down by 0.25
∵ 2 ÷ 0.25 = 8
∵ 0.25 ÷ 0.25 = 1
∴ The unit rate = 
∴ The unit rate = 8 miles per hour
The unit rate represents 2 miles in 0.25 hour is 8 miles per hour
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The product is negative 81 t squared + 16 ⇒ 2nd answer
Step-by-step explanation:
The product of two binomials (ax + b)(cx + d), where a, b, c, and d are constant
- Multiply (ax) by (cx) ⇒ 1st × 1st
- Multiply (ax) by (d) and (b) by (cx) ⇒ ext-reams and nears
- Add the two products ⇒ like terms
- Multiply (b) by (d) ⇒ 2nd × 2nd
Let us find the product of (9 t - 4) and (-9 t - 4)
Multiply the 1st two terms
∵ (9 t)(-9 t) = -81 t²
Multiply the ext-reams
∵ (9 t)(-4) = -36 t
Multiply the nears
∵ (-4)(-9 t) = 36 t
Add the like terms
∵ -36 t + 36 t = 0
Multiply the 2nd two terms
∵ (-4)(-4) = 16
Write the answer
∴ (9 t - 4)(-9 t - 4) = -81 t² + 0 + 16
∴ (9 t - 4)(-9 t - 4) = -81 t² + 16
The product is -81 t² + 16
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Answer:
Step-by-step explanation: idk
Answer:
5 hours
Step-by-step explanation:
Each person works at a rate 1/100 of wall completed per hour.So five men working at the rate would be 5/100. So, it would...
