He bought 3 small notebooks (3*7=21) and 3 large notebooks (3*10=30)
21+30=51
Let x represent the smaller angle. Then the larger one is 20+4x. Since they are complementary, their sum is 90. (All measures are degrees.)
90 = x + (20+4x)
90 = 5x +20
70 = 5x
14 = x
The smaller angle is 14°.
The larger angle is 76°.
Answer:
I think it might be data and range
Step-by-step explanation:
the answer is at the top
Don't you have to multiply the Area's ?
Answer: the number -5 is a real number
Real numbers are both negative and positive numbers. -5 is a negative number. Since real numbers include negative numbers, -5 is the answer.
Hope this helps!
