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mariarad [96]
2 years ago
11

A#9-5

Mathematics
1 answer:
In-s [12.5K]2 years ago
7 0
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What numbers multiply to give 100 and when summed up give 25................................​
Kruka [31]
It’s 3 times 25 plus 74
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3 years ago
An ice cube is melting, and the lengths of its sides are decreasing at a rate of 0.8 millimeters per minute At what rate is the
julia-pushkina [17]

Answer:

The rate of decrease is: 43.2mm^3/min

Step-by-step explanation:

Given

l = 18mm

\frac{dl}{dt} = -0.8mm/min ---- We used minus because the rate is decreasing

Required

Rate of decrease when: l = 18mm

The volume of the cube is:

V = l^3

Differentiate

\frac{dV}{dl} = 3l^2

Make dV the subject

dV = 3l^2 \cdot dl

Divide both sides by dt

\frac{dV}{dt} = 3l^2 \cdot \frac{dl}{dt}

Given that: l = 18mm and \frac{dl}{dt} = -0.8mm/min

\frac{dV}{dt} = 3 * (18mm)^2 * (-0.8mm/min)

\frac{dV}{dt} = 3 * 18 *-0.8mm^3/min

\frac{dV}{dt} = -43.2mm^3/min

<em>Hence, the rate of decrease is: 43.2mm^3/min</em>

8 0
3 years ago
Francis paid $36.54 for a computer software program after a fifteen percent discount was applied to the original selling price.
tigry1 [53]

Answer:

$42.02

Step-by-step explanation:

15% discount therefore if you want to find the original price it would be 100% plus 15% = 115%

Multiply the percentage (convert to decimal first) with the discounted value:

1.15(36.54) = 42.021

3 0
3 years ago
Eight friends share 12 pounds of
Lubov Fominskaja [6]

Answer: each person would get 1.5 pounds of gold

Step-by-step explanation:

12/8= 1.5

4 0
2 years ago
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possible to draw is it possible to draw a triangle with sides that are 4 in 5 inches and 8 inches long justify your answer
Bogdan [553]

Answer:

yes

Step-by-step explanation:

because side a (4) and side b (5) added together are greater or equal to side c (8)

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3 years ago
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