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2 years ago

6

Three of the quadrilaterals are square rectangle rhombus. Give a reason why the rectangle could be the odd one out.

1 answer:

rewona [7]2 years ago

5 0

Answer: rectangle does not have all equal sides

Step-by-step explanation:

the square and rhombus are quadrilaterals that have equal side lengths on all sides

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How do I show the identity of cos(6x) = 2cos^2(3x)-1

notsponge [240]

You are given the function of identity of cos(6x) = 2cos^2(3x)-1. <span>A sine and cosine function is one of the basic functions encountered in Trigonometry. Sine is equal to the opposite side over hypotenuse whereas the cosine function is equal to the adjacent side over the hypotenuse.</span>

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2 years ago

The number of bacteria in a refrigerated food product is given by N ( T ) = 27 T 2 − 180 T + 100 N(T)=27T2-180T+100, 7 < T &l

NeX [460]

Answer:

$N(T(t))=432t^2-374.4t-118.88$

The number of Bactria after 5.8 hours is 12242.

Step-by-step explanation:

The number of bacteria in a refrigerated food product is given by

$N(T)=27T^2-180T+100$

where, T is the temperature of the food.

When the food is removed from the refrigerator, then the temperature is given by

$T(t)=4t+1.6$

We need to find the composite function N(T(t)).

$N(T(t))=N(4t+1.6)$

$N(T(t))=27(4t+1.6)^2-180(4t+1.6)+100$

$N(T(t))=432t^2+345.6t+69.12-720t-288+100$

$N(T(t))=432t^2-374.4t-118.88$

where N(T(t)) is the number of bacteria after t hours.

Substitute t=5.8 in the above function.

$N(T(5.8))=432(5.8)^2-374.4(5.8)-118.88$

$N(T(5.8))=14532.48-2290.4$

$N(T(5.8))=12242.08$

$N(T(5.8))\approx 12242$

Therefore, the number of Bactria after 5.8 hours is 12242.

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3 years ago

What is the slope of the line whose equation is 12 equals 4x - 3 y?

lisov135 [29]

12=4x-3y Begin by moving the 4x away from the y. -3y=-4x+12. To get y by itself, divide both sides by -3. y= 4/3x -4. Therefore the slope is 4/3.

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3 years ago

If x = 7 and y = 10, what is the value of the expression xy - ( y + 2) ?

BartSMP [9]

X=7 and y=10

Given that xy-(y+2)

Therefore,

7*10-(10+2)

70-12

58 Ans

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3 years ago

Read 2 more answers

There are 240 students on Misty’s school. This is 5% of the total students in the school district. How many students are there i

Viktor [21]

So if 240 is 5%, double it to get 480 than multiply it by 10 to get 4800.

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3 years ago