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ira [324]
3 years ago
8

Sally and Eddy had a total of $580 after spending $80 and eddy had 240 left how much money does Sally have?​

Mathematics
1 answer:
levacccp [35]3 years ago
8 0

Answer:

260

Step-by-step explanation:

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What is 6 8/9 times 2 1/2
sammy [17]
SO first off you wanna make both numbers into mix factions. 6 8/9 will be 62/9 and 2 1/2 will be 5/2. Next you wanna multiply straight across. so now the answe should be 310/18 then simply for a mixed number. you can figure that out
5 0
3 years ago
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the sum of three numbers is 2100. the first number x is equal to the sum of the other two (y and z) which are equal to each othe
max2010maxim [7]
We will have a system of equations, and we are going to solve it by using substitution.
Let's make the equations.
x+y+z=2100
z+y=x
Since y and z are equal, I think it is easier for us to have them as one variable for now. Let the value of z and y be a.
These are the equations now.
x+2a=2100
2a=x
Since the second equation is giving the value of x, let it replace the value of x also in the first equation.
2a+2a=2100
4a=2100
2100÷4= 525
so, x and y equal 525. Let's put this in our original equation.
x+525+525=2100
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x= 1,050
So, x=1,050, y= 525 =z.

7 0
3 years ago
john collecrs cards. he collects 44 red, 67 blue cards, and 52 yellow. he puts 9 in protective sheets how many full sheets does
Kobotan [32]

Answer:

He has 18 full sheets.

Step-by-step explanation:

44 + 52 + 67 = 163

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The question specifically asks for a whole number, not a decimal or fraction, so the answer is 18 full sheets.

8 0
3 years ago
Find (ƒ – g)(x) where ƒ(x) = 2x2 + 5x – 8, g(x) = –x2 + 6x.
STatiana [176]

Answer:

A

Step-by-step explanation:

ƒ(x) = 2x2 + 5x – 8

g(x) = –x2 + 6x

(ƒ – g)(x)=2x2+5x-8-(-x2+6x)

=2x2+5x-8+x2-6x

=3x2-x-8

6 0
3 years ago
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netineya [11]

Answer:

Ten thousands place

Step-by-step explanation:


7 0
3 years ago
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