Answer:
He multiplied the whole numbers and divided the fractions
Step-by-step explanation:
3 1/2 ÷ 5 4/9
change the mixed numbers to improper fractions
3 1/2 = (2*3 +1)/2 =7/2
5 4/9 = (9*5+4)/9 =49/9
7/2 ÷ 49/9
copy dot flip
7/2 * 9/49
rewrite
7/49 * 9/2
1/7 * 9/2
9/14
It's C)
the graph is decrasing, so the variable rate is negative (-2/3)
the rest was quite easy, you just take a look at where the graph cuts the y-axis and determine the rest from the rate of going up or down (increase/decrease)
1) it's just 360 divided by 8 sectors = 45 degrees (answer B)
2) (180-45)/2 = 67.50 (answer D is the nearest)
Answer:
that would be "b"
Step-by-step explanation:
The commutative property says that a + b = b + a so the correct answer is 7y +5x.