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Vanyuwa [196]
2 years ago
12

What's additive property

Mathematics
1 answer:
stepan [7]2 years ago
3 0

The additive property of equality states that if the same amount is added to both sides of an equation, then the equality is still true.

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What is the probability of rolling a number less than or equal to 2 on a six sided die?
Kruka [31]
The dice only has 6 sides so if you need to roll a 2 or less that only leaves the number one. So it would be 2/6
7 0
3 years ago
Read 2 more answers
Q2. In a camp food was enough for 400 people for 23 days. If 60 more people joined the camp, find the number of days the food wi
victus00 [196]

Answer:

Q2)

We have food for 400 people, and it will last for 23 days.

Then we have an inverse relation, where the number of days decreases as the number of people increases, this means that we have a relationship like:

23 days = K/400 people.

Then we get:

(23 days)*(400 people) = K = 9200 days*people.

Now if we increase the number of people by 60, we get.

people = 460

Then the number of days that this will last is:

D = (9200 days*people)/460 people = 20 days.

The food will last for 20 days.

Q3) We have a proportional relationship (y = k*x) such that y = 40 when x = 200, then we get:

40 = k*200

With this, we can find the value of k

40/200 = k = 0.2

Then the proportional relationship is:

y = 0.2*x

a) We need to replace x by 15.

y = 0.2*15 = 3

y = 3

b) We need to replace y by 8.

8 = 0.2*x

8/0.2 = x = 40

x = 40

Q3) y is inversely proportional to x (y = k/x), and y = 8 when x = 30.

Then we get:

8 = k/30

Then the value of k is:

8*30 = k = 240

then the relationship is:

y = 240/x

a) we need to replace x by 4

y = 240/4 = 60

y = 60

b) we need to replace y by 360

360 = 240/x

360*x = 240

x = 240/360 = 0.666...

x = 0.666...

8 0
2 years ago
Suppose that in a bowling league, the scores among all bowlers are normally distributed with mean µ = 182 points and standard de
exis [7]

Answer:

209 points

Step-by-step explanation:

Mean points scored (μ) = 182 points  

Standard deviation (σ) = 14 points

The z-score for any given game score 'X' is defined as:  

z=\frac{X-\mu}{\sigma}  

At, the 97th percentile of a normal distribution, the z-score, according to a z-score table, is 1.881.

Therefore, the minimum score, X, needed for a bowler to receive a trophy is:

1.881=\frac{X-182}{14}\\X=208.334

Since only whole point scores are possible, X=209 points.

3 0
2 years ago
Is -7=7 an infinite solution or no solutions for a system of equations?
Ostrovityanka [42]

Answer:

no solutions

Step-by-step explanation:

-7 does not equal 7, so there are no solutions.

Infinite solutions would be if it was two equal values, for example, 7 = 7.

8 0
2 years ago
The proportion x/44=75/100 can be used to solve a percent problem.which problem can be solved using this proportion
Jet001 [13]

Answer:

Original price was 44$. Find discounted price after 25% discount applied.

Step-by-step explanation:

x-discounted price

44 - original price

75% what is left after 25 % discount

100% ---- original price in %

to find discounted price:

x/44=75/100 can be used to solve a percent problem

4 0
2 years ago
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