Answer:
13 * 18 = 234 yards of ribbon
Step-by-step explanation:
Each spool has 18 yards of ribbon and Eleanor bought 13 spools. Hence, you can use multiplication to solve it
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Solve each inequality by itself.
2x - 6 < -12 and 3x + 5 > -13
Add 6 to both sides Subtract 5 from both sides
2x < -6 and 3x > -18
Divide both sides by 2 Divide both sides by 3
x < -3 and x > - 6
You can write the solution as
x > - 6 and x < -3
To graph, draw a number line.
Place an open dot on -6.
Place an open dot on -3.
Draw a wide, dark line from one dot to the other dot.
2.5 times .76 show the work
Given that the debt has been represented by the function:
f(x)=-6x^2+8x+50
To get the number of years, x that it would take for the company to be debt free we proceed as follows:
we solve the equation for f(x)=0
hence:
0=-6x^2+8x+50
solving for x using the quadratic formula we get:
x=[-b+/-sqrt(b^2-4ac)]/2a
x=[-8+/-sqrt(8^2-4*(-6)*50)]/(-6*2)
x=[-8+/-√1264]/(-12)
x=27.552
x~28
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