3 years ago

Have a free brainliesttttttttttttttttttt

Mathematics

1 answer:

lilavasa [31]3 years ago

7 0

Ok me pls thank you so much you are a heavenly angel

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Three eights of the cast in a musical have to sing. What fraction of the cast does not have to sing

pychu [463]

3/8 has to sing
8/8 is all
all=haveto+don'thaveto
all=8/8
haveto=3/8
subsitute
8/8=3/8+don'thaveto
subtract 3/8 from both sides
8/8-3/8=5/8
5/8=don'thavetosing

answer is 5/8

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3 years ago

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Write a linear equation that represents the area and a linear equation that represents the perimeter of the rectangle.

solong [7]

Answer:

Area of rectangle = xy square units

Perimeter of rectangle = (2x + 2y) units

Step-by-step explanation:

We are given the following information in the question:

A rectangle with length x unit and breadth y units.

We have to write the equations for area and perimeter of rectangle.

Area of rectangle =

$=\text{Lenght}\times \text{Breadth}\\= x\times y\\=xy\text{ square units}$

Perimeter of rectangle =

$=2\times(\text{Length + Breadth})\\=2\times (x+y)\\=(2x + 2y)\text{ units}$

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3 years ago

The rabbit population on a small island is observed to be given by the function

Ahat [919]

A.) P(t) = 130t - 0.4t^4 + 1200
The population is maximum when P'(t) = 0
P'(t) = 130 - 1.6t^3 = 0
1.6t^3 = 130
t^3 = 81.25
t = ∛81.25 = 4.3 months.

Maximum population P(t)max = 130(4.3) - 0.4(4.3)^4 + 1200 = 1,622

b.) The rabbit population will disappear when P(t) = 0
P(t) = 130t - 0.4t^4 + 1200 = 0
t ≈ 8.7 months

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4 years ago

A certain recipe calls for 2/3 cup of flour. A chef is making an amount that is 3/7 of the recipe. How much flour should the che

IceJOKER [234]

Multiply: 2/3*3/7=6/21 or 2/7
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alexgriva [62]

The answer is

x^3y
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2

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