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Tpy6a [65]
3 years ago
10

How do I know which operation to use with a word math problem

Mathematics
1 answer:
Mamont248 [21]3 years ago
4 0

Answer:

you use your biggest brain cell

Step-by-step explanation:

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All my brain cells have left me I don't understand math please help! lol
sleet_krkn [62]

Answer:

How I do you should get 3.00$/min

Step-by-step explanation:

You see I subtracted 19.50 - 16.50 and then got 3

7 0
3 years ago
13.1: Equivalent Expressions
scoundrel [369]

Distributive Property:  a ( b + c) = (a*b) + (a*c)

b)   x(x + 9) =  x*x + 9*x

               = x² + 9x    

c)  x² - 18x

     x² = x * x

  18x  = 18 *x

G C F = x

Greatest common factor in both the terms is 'x'.Take the common variable from both the terms.

x² - 18x = x*x - 18*x

            = x (x - 18)

           

Standard form.                Factored form

      x²                                     x*x

x²  +  9x                             x(x +9)

    x² - 18x                           x(x - 18)  

-x² + 10x                             x(-x + 10) = x(10 -x)

-x² - 2.75x                          -x(x + 2.75)

3 0
2 years ago
PLEASE HELP I WILL LOVE YOU FOREVER
Aleksandr-060686 [28]

Answer:

9 16-ounce packages

Step-by-step explanation:

144oz. ÷ 16 = 9 Packages

8 0
2 years ago
The population of Brazil was 162,300,000 in 1995. It was growing at a rate of about 2% per decade. Predict the population, to th
stiv31 [10]

Answer:

The population is 168,900,000 to the nearest hundred thousand

Step-by-step explanation:

In this question, we are tasked with calculating the population of Brazil given its population in 1995 and her growth rate per decade.

Mathematically, we use an exponential function to calculate this population.

This can be written as P = I(1 + r)^n

where P is the population in 2015 which we are looking for,

I is the initial population which is 162,300,000

r is the rate of increase per decade given as 2% = 2/100 = 0.02,

n is the number of times between the years we are expecting this growth. The difference between the years 2015 and 1995 is 20 years which signifies 2 decades(1 decade is 10 years). Thus our n is 2

We plug these values into the equation above;

P = 162,300,000(1+0.02)^2

P = 162,300,000(1.02)^2

P = 168,856,920 which is 168,900,000 to the nearest hundred thousand

7 0
3 years ago
What is the volume of the triangular prism below
cestrela7 [59]
The volume is 4.5 ft^3.

7 0
3 years ago
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