Answer:
-9 + 7√5.
Step-by-step explanation:
(3 - √5)(2 + 3√5)
= 3(2 + 3√5) - √5(2 + 3√5))
= 6 + 9√5 - 2√5 - 15
= -9 + 7√5.
Answer:
1. -5
2. -24
3. 0
Step-by-step explanation:
Sum means addition.
Product means multiplication.
A negative times a negative will give you a positive.
Anything times zero is zero.
1. -2 + 5 + (-8) = -5
2. -1 * -4 * -6 = -24
3. 10 * 0 *-9 = 0
Answer: It would be the last option, "Photograph." Graphic features found in the text are images, drawings, charts, graphs, etc.
Answer:
the first one is 15 and the 2nd one is 10
Step-by-step explanation: the scale factor is 1.5 so 10 times 1.5 is 15 and for number 2 6,8,10 are pythagorean triplets
