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melomori [17]
3 years ago
6

Need help quick easy problem to solve pls help!

Mathematics
1 answer:
777dan777 [17]3 years ago
3 0

Answer:

C

Step-by-step explanation:

12b + 30f = 240

7b + 10f = 125

Multiply the second equation by -3

12b + 30f = 240

-21b -30f = -375

Add up the two equations

-9b = -135

b = $15

Substitute this value in one of the two equations

12 * 15 + 30f = 240

180 + 30f = 240

30 f = 60

f = $2

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Which of the following is equivalent to (x + 4)(3x2+2x)?
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Answer:

c. (x+4)(2x)•(x + 4)(3x)

Step-by-step explanation:

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Sandy thinks she her total will be $52.77 for 52 songs. Is this the correct
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Step-by-step explanation:

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3 years ago
Put in order from least to greater3/8,3/4,5/6,1/2
Korvikt [17]
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8 0
3 years ago
Sandy has several pictures of to hold lemonade for the school bake sale two pictures can hold 64 ounces each and four pictures c
disa [49]
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3 0
4 years ago
The function g(x)=-(x)^2+5. The function f(x)=-g(x+2).
Vitek1552 [10]
Short Answer f(x) down 5 units, left 2 units and right side up from g(x)
Step One

Find out what -g(x+2) is.
There are two steps to this. The first is to deal with the minus sign
(g(x)) = - x^2 + 5. Be very careful what you do next. 
Put brackets around both terms on the right.
g(x) = (-x^2 + 5) Now put the minus sign in front of g(x) and another one in front of the brackets.
-g(x) = - (-x^2 + 5) Remove the brackets.
-g(x) = x^2 - 5 

<em>Result</em>
So far g(x) moves down 5 units and opens upward. 

Step Two
The second step is to see what the x + 2 does.
-g(x + 2) = (x + 2)^2 - 5

The final result is that the graph opens upward, moves left 2 spaces and down 5.

There is a graph enclosed to show you the key steps.
The red graph is g(x) = x^2 - 5
The blue graph is g(x+2) = (x+2)^2 - 5

5 0
3 years ago
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