Answer and Step-by-step explanation:
If you see a number or fraction or anything we g beside it, such as:
4.2g
6g
^ That is grams
If you see anything with kg next to a number, fraction, e.t.c, such as
5kg
6.2kg
^ That is kilograms
A)
Let X be the food expenditure of a family.
Let the population mean of an expenditure of a family be.
Let the population standard deviation of an expenditure of a family be.
The proportion families spend more than $30 but less than $490 per month on food is,
The square has a side length of 9.
The area of the full square would be 9^2 = 9 x 9 = 81 square cm.
The area of the triangle is 1/2 x 4 x 3 = 6 square cm.
The area of the shape = 81 -6 = 75 square cm.
Answer:
No
Step-by-step explanation:
11. Correct
11a. a is the number of accessories bought
12. 32 = 3.5a + 25
7 = 3.5a
a = 2
12a. cost of the bear
13. correct
13a. f(-1)=8
Answer:
a) (4x® - 5x + 15) - (11 - 7x - 2x)
b)(9x- 6x® - 7x-2) + (10x - 8x + 11)
Step-by-step explanation:
a) (4x® - 5x + 15) - (11 - 7x - 2x)
b)(9x- 6x® - 7x-2) + (10x - 8x + 11)
