2 years ago

Here is a parallelogram with its diagonals shown.

Mathematics

1 answer:

pogonyaev2 years ago

8 0

A. False

B. True

C. True

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dentify all of the following solutions of square root of x minus 8 end root plus 8 equals x. (1 point)

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Answer:gh

Step-by-step explanation:

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2 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>

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3 years ago

In preperation for halloween emily has made up a bag of her favorite candy. For every 4 tootsie rolls there are 7 smarties. She

Georgia [21]

Answer:

105

Step-by-step explanation:

60/4= 15

15x7= 105

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2 years ago

2,236.8 to the nearest ten

german

Answer:

Already rounded to the nearest tenth.

2236.8

Step-by-step explanation: k

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Which of the following is the rational exponent expression of sixth root of f?

MAXImum [283]

The rational exponent expression of sixth root of f is <span>f to the one sixth power
proof
A^1/n, is called n-th root of A, for all n differ from zero</span>

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3 years ago

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