I think it’s C but what grade is this
77x + 21
We need to find the common factor between the coefficient and the constant.
77 ÷ 7 = 11
21 ÷ 7 = 3
7(11x + 3) is the factor of 77x + 21.
7(11x + 3) can be expanded using the distributive property of multiplication.
7(11x) + 7(3) = 77x + 21
Answer:
(a)10 modules per floor
(b)Two different rectangular prism
Step-by-step explanation:
<u>Part A</u>
Number of modules=130
Number of stories=13
Since all of the modules were divided evenly among the number of stories:
Number of module per floor =130÷13=10 modules per floor
There would be 10 modules on each floor.
<u>Part B</u>
Next, we determine how many different rectangular prisms could be made from the number 10 derived above.
Step 1: List the factors of 10
Factors of 10 are: 1,2,5 and 10
Step 2:
Form a product of three terms which equals 10 using the factors derived above. We have two possible combinations:
Therefore, two different rectangular prisms could be made from the number of modules on each floor.
Answer:
D. There are zeros between x = 1 and x = 2, x = 0 and x = –1.
Step-by-step explanation:
A zero point is inside an interval where value of y changes from positive to negative or viceversa. The curve is evaluated in the given points hereafter:
f(-3) = - 909, f(-2) = -192, f(-1) = -9,f(0) = 18, f(1) = 3, f(2) = -204, f(3) = -1017
There two zero, one between x = -1 and x = 0 and other between x = 1 and x = 2. Hence, the answer is D.
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