2 years ago

Help pls ill give extra points

1 answer:

6 0

Suzuki after line 3 where it says 42 / 5 +16 she shouldn’t have added 5 and 16 she needs to follow pemdas and do 42/5 which is 8.4 then she needs to add 8.4 and 16 to get an answer of 24.4

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Use addition or substitution to find the value of y for this set of equations. 4x + 13y = 40 4x + 3y = -40

Aliun [14]

4x + 13y = 40
4x + 3y = -40

multiply second equation by -1

4x + 13y = 40
-4x - 3y = 40

add equations together

10y = 80
y = 8

put y in either original equation

4x + 3(8) = -40
4x + 24 = -40

subtract 24 from both sides

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3 years ago

If 3/4 of a certain number is equal to 41/2 find the number

SSSSS [86.1K]

Answer:

$x = \frac{82}{3}$

Step-by-step explanation:

let $x$ be that number

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$\frac{3x}{4} = \frac{41}{2}$

multiply both sides by $4$

$\frac{3x}{4} * 4 = 4 * \frac{41}{2} \\3x = \frac{41 }{2} * 2 * 2\\3x = 41 *2 \\3x = 82 \\$

divide both sides by 3

$\frac{3x}{3} = \frac{82}{3}$

$x = \frac{82}{3}$

7 0

3 years ago

What is the value of the exponent when simplifying the following expression: 16^1/2•16^1/2

pantera1 [17]

Answer:

Step-by-step explanation:

because they have the same base and it's a multiplication so you have to add the exponents

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2 years ago

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What are the coordinates of the point that is common to the graph of f(x) = (2/3) ^ x and the graph of f(x) = (3/2) ^ x

kiruha [24]

Answer:

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Step-by-step explanation:

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2 years ago

Which answer describes the calculations that could be used to solve this problem?

faltersainse [42]

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4 0

3 years ago

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