13. Answer: n ≥ 108
<u>Step-by-step explanation:</u>
18 ≤ n ÷ 6
<u>×6 </u> <u> ×6 </u>
108 ≤ n → n ≥ 108
Note: The line under the inequality symbol represents a closed dot
Graph: 108 ·---------------→
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14. Answer: x > -4
<u>Step-by-step explanation:</u>
-3x < 12
<u>÷(-3) </u> <u>÷(-3) </u>
x > -4 <em>Flip the inequality sign when × or ÷ by a negative </em>
Note: No line under the inequality symbol represents an open dot
Graph: -4 o-----------→
Answer:
1/5^3
Step-by-step explanation:
I'm not sure how to explain this, but if there is a negative exponent, then it can be written like this, as the denominator of a fraction.
10 time as much of something is basically just multiplication, so all you have do is multiply 60x10 which equals 600 :)
Answer:
They should increase their price by $28.
Step-by-step explanation:
First find out what 35% of 80 is. Do so by multiplying 80 by 35% in its decimal form - .35.
80*.35=28.
This means that they have to increase their price by at least 28 dollars to make a profit.
The new price of the instrument should be $108 - $80 increased by 35%.
Hope this helps :)
Answer:
7 whole pieces
Step-by-step explanation:
There is 11.5 inches of rope.
Length of a piece = 1.5 inches
No . of pieces = total / unit length
= 11.5 / 1.5
= 7.667
There will be 7 whole pieces
