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2 years ago

A candy company produces 30 boxes of candy per hour

Mathematics

1 answer:

KIM [24]2 years ago

7 0

X is the hours and Y is the candy boxes.
5                            150
10                          300
15                          450
20                          600

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Which equation shows the commutative property of addition?

oksian1 [2.3K]

Answer:

The equation shows the commutative property of addition is 4 +3 = 3 + 4 .

Option (A) is correct.

Step-by-step explanation:

Commutative property of addition

The commutative property for addition states that

a + b = b + a .

Where a, b are any number.

thus

this above condition is satisfied by equation

4 + 3 = 3 + 4

7 = 7

Therefore Option (A) is correct.

5 0

3 years ago

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In how many ways can a committee of 3 men and 4 boys be chosen from 7 men and 6 boys so as not to include the youngest boy if th

Ludmilka [50]

Answer:

There are 75 ways to form the committee.

Step-by-step explanation:

The order in which the people are chosen is not important, which means that the combinations formula is used to solve this question.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

In this question:

Considering the eldest has to be there, 2 men from a set of 6 and 4 boys from a set of 5(excluding the youngest), so:

$T = C_{6,2}C_{5,4} = \frac{6!}{2!4!} \times \frac{5!}{1!4!} = 3*5*5 = 75$

There are 75 ways to form the committee.

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2 years ago

Between which two ordered pairs does the graph of f(x) = x2 + x – 9 cross the negative x-axis? Quadratic formula: x =

katrin2010 [14]

(-6,0) and (-5,0) I got it right

8 0

2 years ago

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Rectangle has a width of 14 cm in a diagonal 20 cm what’s the length of the rectangle

Advocard [28]

Answer:

I think it might be 14.28.

Step-by-step explanation:

I used a triangle calculator "cossincalc.com"

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2 years ago

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While shopping, Dawn finds a backpack that she likes on the sale rack. Its original price is $60,

Nadya [2.5K]

No. Because 33 $ is the money deducted from the 60 $. Dawn bought everything for less than 60 $.

So, if Dawn purchases everything on the rack with a 30% discount and 15% coupon the total will indeed make 45%.

We have to take 100% - 45%= 55% to know the reduction number. Let's proceed to the calculations now.

100%= 60 $

1%=60/100

55%= 60/100 × 55 = 33 $

Now NOTE; 33 $ is the money reduced from the 60 $. So, logically, 33 $ isn't the amount which Dawn purchased the whole rack. 

To find the amount at which she purchased everything, we need to do,

60 $ - 33 $ = 27 $

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2 years ago