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gregori [183]
3 years ago
7

Write a variable expression for the amount of your budget after b books

Mathematics
1 answer:
wel3 years ago
8 0
Because if let's say you have 400$ for the year, and each book cost 10$. So it would be written as 400-10b since the quantity of books must be multiplied times their cost to calculate whether you are within or outside the budget. 
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Help..........................
kogti [31]

Answer:

D

Step-by-step explanation:

I'm not certain but I guess that's it

5 0
2 years ago
There are 32 students in a class.Nine of those students are women.What percent are men?(round nearest tenth)
Stels [109]
Hey there!
Find out how many men there are by subtracting the number of woman by the total number of students
32-9= 23
23 students are men
To find the percent just simply multiply. *cross multiply
23/32 *100= 71.87
100*23= 2300
2300/32= 17.875

17.875 rounds to 17.9

71.9% are men
7 0
3 years ago
Read 2 more answers
Find the area of the figure. I will make you a brainllest:)
dusya [7]

Answer:

70

Step-by-step explanation:

A=a+b

2h=8+12

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6 0
2 years ago
What is a cubic polynomial function in standard form with zeros 1,1,and -3?
Mekhanik [1.2K]

Answer:

f(x) = x³ + x² - 5x + 3

Step-by-step explanation:

The cubic polynomial has zeros at 1, 1, - 3.

Therefore, x = 1, 1, - 3 are the roots of the polynomial and hence, (x - 1), (x - 1) and (x + 3) will be factors of the cubic polynomial.

Hence, we can write the polynomial as a function of x as

f(x) = (x - 1)(x - 1)(x + 3)

⇒ f(x) = (x² - 2x + 1)(x + 3)

⇒ f(x) = x³ - 2x² + 3x² + x - 6x + 3

⇒ f(x) = x³ + x² - 5x + 3

So, this is the cubic polynomial function in standard form. (Answer)

8 0
3 years ago
paula earned a 56% on her science test if she got 14 problems correct then how many questions were on the test
sweet-ann [11.9K]
56% = 14 questions

1% = 14 ÷ 56 = 0.25 questions

100% = 0.25 x 100 = 25 questions

Answer: 25 questions.
3 0
3 years ago
Read 2 more answers
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