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3 years ago

11

Suppose Clare labels the books at a constant speed of s books per minute. Write an equation that represents the relatinoship bet

ween her labeling speed and the number of minutes it would take her to finish labeling.

1 answer:

gtnhenbr [62]3 years ago

7 0

it will take her 34 mins coz I said so innit

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A sphere has a volume of 36tt in3 find the radius of the sphere

Vsevolod [243]

V=4/3 π •r^3 multiply both sides with 3
3•36π=4π • r^3
108 π=4 π • r^3

r^3 =108 π/4 π
r=3 inch

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2 years ago

Read 2 more answers

(csc x - 1) (csc x + 1)

victus00 [196]

<h2>Explanation:</h2>

Here we have the following expression:

$(csc x - 1) (csc x + 1)$

So we need to extend this. Remember that the difference of squares tells us:

$(a-b)(a+b)=a^2-b^2$

So here:

$a=cscx \\ \\ b=1$

Thus:

$(csc x - 1) (csc x + 1)=csc^2x-1 \\ \\ \\ But: \\ \\ cscx=\frac{1}{sinx} \\ \\ \\ Then: \\ \\ csc^2x-1=\frac{1}{sin^2x}-1=\frac{1-sin^2x}{sin^2x}=\frac{cos^2x}{sin^2x}=cot^2x \\ \\ \\ Finally: \\ \\ \boxed{(csc x - 1) (csc x + 1)=cot^2x}$

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3 years ago

The table shows how many middle school and high school students prefer playing each type of instrument. How would you find the j

BARSIC [14]

Answer:

Step-by-step explanation:

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2 years ago

Sylvia read that the height of the Empire State Building is 443.2 m and wants to build a scale model of the building in her room

muminat

Answer:

Scale of 181: 1

Step-by-step explanation:

The first thing to do is to pass the feet by the meter, to work in the same units and thus create a consistent scale:

We know that one foot equals 0.3048 meters, therefore:

8 feet * 0.3048 meters / 1 foot = 2.4384 meters

So the scale would be:

443.2 / 2.4384 = 181.75

Which means that it is best to make a scale of 181: 1

Where 181 meters from the Empire State Building would equal 1 meter at home 0 181 inches would equal 1 inch at home

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3 years ago

I need help with number 12!!

elixir [45]

Answer:

(4x + 2y)mi

Step-by-step explanation:

Check attachment

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3 years ago