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slamgirl [31]
3 years ago
12

-10 divided by 7 1/5

Mathematics
1 answer:
mrs_skeptik [129]3 years ago
8 0

Answer:-1.38888888889

Step-by-step explanation:

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What is 1+9x3(2x+32)<br> plesse help me if you know it thank you for the help.
hjlf

Answer:

18x^4+288x^3+1

Step-by-step explanation:

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3 years ago
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-x+4x-9=8x+6 what’s X?
Xelga [282]

Answer:

X= -3

Step-by-step explanation:

3x-9=8x+6

3x-8x=6=9

-5x=15

x=-3

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2 years ago
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A theater sells adult tickets for $8.00 and Children's tickets for 5.50. Sally bought some of each kind (not the same number) an
sdas [7]
8x +(5.5)y=78.50 is the equation.
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3 years ago
Use a separate sheet of paper to solve the system of inequalities by graphing. Use the graph to decide if the point (1, –1) is i
Lena [83]

Answer:

The answer is no though, the point (1,-1) is below both.

Step-by-step explanation:

So the two inequalities are y≤-3x+3 and 3x+8y≥3

With inequalities you have to know a few things.  First, when you graph you may have to use non solid lines.  for instance, if you had x<5, 5 would not be part of the answer because it is only answers less than 5.  so you represent this by making a dashed line that says "you cannot include values on this line".  Second, with algebra, if you multiply both sides by a negative it flips the inequality.  for instance -y > 54 you would multiply (or divide) by -1 and it would change to y < -54.  Third, when graphing an inequality, treat it like an equation and graph the line as if it were said equation(with solid or dashed lines as needed)  then, if it is y > f(x) you shade in the section above the line and y < f(x) shades in below.  The shaded part is your answer basically.  Now lets get into yours.

y≤-3x+3

It is already in the form y = f(x)  so grapht he line 3x + 3 with a solid line since it is y is less than or equal to,  then shade below that line.  

3x+8y≥3

First get it so y is by itself

3x+8y≥3

8y≥3 - 3x

y ≥ 3/8 - 3/8 x

Now grapht his line  with a solid line and shade the area above it.

Now, the shaded area below between y ≥ 3/8 - 3/8 x and  y≤-3x+3 and the lines are your answer, so you need to check if the point (1, -1) is in this shared shaded area or on one of the lines.

The answer is no though, the point (1,-1) is below both.

6 0
3 years ago
Seven squared equal seven times
bulgar [2K]
7 squared equals 7 times 7
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3 years ago
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