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3 years ago

8

A book store had 30816 exercise books which were paclced in cartons each carton contained 24 exercise books the mass of an empty

carton was 2kg and a full carton 12kg

1 answer:

anygoal [31]3 years ago

4 0

30,816 books would go into 1,284 containers which would weigh 15,408kg with all the books in them or 2,568kg with the books not in them.

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5. Write an expression to represent "Six more than the difference of a number and three."

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N-3+6
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What is the slope of a line that is perpendicular to the line y = -1/2x+5

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2 years ago

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Mr. Vectadore Is buying two new cowboy hat altogether the hats cost $75.12 the second half cost twice as much as what is the pri

andre [41]

Answer:

$50.08

Step-by-step explanation:

We use x to represent the price of the cheapest hat. Since the more expensive hat is twice the price of the cheaper one, we use 2x to represent it. Therefore x + 2x, or 3x, equals $75.12. Divide 75.12 by 3 to find x, which is 25.04. The more expensive hat is 2x, so we must multiply 25.04 by 2 to find the price of the more expensive hat.

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4 years ago

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M is the midpoint of PQ. The diameter of a circle O is 13 in. And RM = 4 in.

garri49 [273]

Answer:

Part a) $PM=6\ in$

Part b) $PQ=12\ in$

Step-by-step explanation:

step 1

we know that

The diameter of the circle divide the circle into two equal parts

so

PM=MQ

Applying the <u>Intersecting Chord Theorem</u> (When two chords intersect each other inside a circle, the products of their segments are equal)

$SM*RM=PM*MQ$

$SM*RM=PM^{2}$

we have

$SM=13-4=9\ in$

$RM=4\ in$

substitute

$9*4=PM^{2}$

$PM^{2}=36$

$PM=6\ in$

step 2

Find the value of PQ

we know that

$PM=MQ$

so

$PQ=PM+MQ$

$PQ=2PM$

we have

$PM=6\ in$

substitute

$PQ=2(6)=12\ in$

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3 years ago

the library surveyed 240 people about their favorite type of movie if 15% of the people chose documentaries how many people chos

Karolina [17]

240 x 0.15 = 36 people chose documentaries

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3 years ago