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Ad libitum [116K]
2 years ago
10

Please help solve this

Mathematics
1 answer:
bazaltina [42]2 years ago
3 0
I cant fu(king read it.
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23 + 4.5 = 4.5 + 23 es un ejemplo de la propiedad​
dybincka [34]

Step-by-step explanation:

ES UN EJEMPLO DE PROPIEDAD COMMULATIVE.

hola Hermano, cóme TE IIamas

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3 years ago
Check whether the given number is a solution of the equation or
maxonik [38]

Answer:

13. is a solution of the equation. 14. and 15. are both inequalities.

Step-by-step explanation:

the equal sign is something you can look out for to decide if it is a solution to the equation. the > sign means 'greater than' and the ≤ means 'less than' or 'equal to'. both are not equals, therefore they are inequalities.

5 0
3 years ago
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What is the value of the expression when c = 4 c/2
Grace [21]

Answer:

32

Step-by-step explanation:

Plug in 4 for c.

(c³)/2 = (4³)/2

First, solve the parenthesis, then divide. Multiply:

4³ = 4 * 4 * 4 = 16 * 4 = 64

Next, divide:

64/2 = 32

32 is your answer.

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7 0
3 years ago
PLEASE ANSWER THIS IS EASY BUT IM DUMB LOTS OF POINTS HELP
larisa86 [58]
All three numbers multiplied to get the volume 
surface area is the formula times base 1 and base 2 times base 3 and answer 
8 0
3 years ago
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Two lemon creams plus four fudge cookies have 450 calories. Four lemon creams plus two fudge cookies have 420 calories. How man
Gnoma [55]

Answer:

Each fudge cookie has 80 calories.

Each lemon cream has 65 calories.

Step-by-step explanation:

We will let \ell represent the calories in lemon creams and f represent the calories in fudge cookies.

Two lemon creams and four fudge cookies together have 450 calories. So, we can write the following equation:

2\ell+4f=450

And four lemon creams plus two fudge cookies together have 420 calories. So, we can write the following equation:

4\ell+2f=420

We now have a system of equations. We can solve this by elimination.

For the first equation, we can multiply both sides by -2. This way, the \ell will cancel when we add the two equations together.

So, the first equation becomes:

-4\ell-8f=-900

Add this to the second equation. Hence:

(-4\ell+4\ell)+(-8f+2f)=(-900+420)

Simplify:

-6f=-480

Divide both sides by -6. Hence:

f=80

So, there are 80 calories in one cookie.

We can use the first equation again to find the amount of calories in one cream. We have:

2\ell+4f=450

Substituting 80 for f yields:

2\ell+320=450

Then it follows that:

\ell=65

So, there are 65 calories in each lemon cream.

5 0
2 years ago
Read 2 more answers
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