1. She could get 9 envelopes for 4 dollars each (or the other way around)

2. She could get 12 envelopes for 3 dollars each (or the other way around)

3. She could get 18 envelopes for 2 dollars each (or the other way around)

8 0

2 years ago

Which one is greater 7.216 or 7203

OLEGan [10]

7203 is greater because it font got no decimal or nothing. Is a whole number

6 0

3 years ago

(asin θ-bcos θ)²=?

lara31 [8.8K]

$(a\sin(\theta) - b\cos(\theta))^2\\= a^2\sin^2(\theta) - 2ab\sin(\theta)\cos(\theta) + b^2\cos^2(\theta)\\= a^2\sin^2(\theta) - ab\sin(2\theta) + b^2\cos^2(\theta)$

6 0

2 years ago

Drag the correct symbol into the box to compare expessions<br> 6^2-2^2___4(6+2)<br> A.≠<br> B.=

Mnenie [13.5K]

Simplify both sides to compare:

6^2 - 2^2 = 36-4 = 32

4(6+2) = 4 x 8 = 32

they are equal to each other.

Answer: B. =

8 0

2 years ago