Answer:2000
Step-by-step explanation:
mutiply
306.9 * 6.4
=1964.16
to one significant figure
=2000
Answer:
blue is the best color to use in this situation
Step-by-step explanation:
Answer:
16y + 32
Step-by-step explanation:
Expand each term.
(y+6)² - (y-2)²
= (y+6)(y+6) - (y-2)(y-2)
= y² + 12y + 36 - (y² - 4y + 4)
Subtract the second group by changing each term's signs
= y² + 12y + 36 - y² + 4y - 4
Collect like terms
= 16y + 32
Answer:
33.3
Step-by-step explanation:
The formula for area is length*width.
7.4*4.5=33.3
b=26
Explanation
Step 1
we have two equals triangles, because

then, the hypotenuses are equal

"is step 1 clear?
Step 2
solve the equation