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sergij07 [2.7K]
3 years ago
9

Use the decimals 2.47,9.57 and 7.1 to write two diffrent addition facts and 2 subtraction facts

Mathematics
1 answer:
alexandr1967 [171]3 years ago
3 0
It appears the question is asking you to make mathematical statements. Basically, just find a way to use the numbers above to make your own addition and subtraction problems. ADDITION 2.47 + 7.1 = 9.57 7.1 + 2.47 = 9.57 SUBTRACTION 9.57 - 7.1 = 2.47 9.57 - 2.47 = 7.1
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How many sides does a regular (equal sides and equal angles) polygon have if each exterior angle measures 24°? # of sides =?
lubasha [3.4K]
If the measure of each exterior angle is 24, the measure of each interior angle is then 180-24=156
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(n-2)*180=156*n
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24n=360
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What is the area of this rectangle?
nexus9112 [7]
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6 0
3 years ago
When two six-sided dice are rolled, there are 36 possible outcomes. Find the probability that the sum is not 5.
zaharov [31]

Answer:

p(Not\ 5) = \frac{8}{9}

Step-by-step explanation:

Given:

Txo six-sided dice are rolled.

Total number of outcomes n(S) = 36

We need to find the probability that the sum is not equal to 5 p(Not 5).

Solution:

Using probability formula.

P(E)=\frac{n(E)}{n(S)}  ----------------(1)

Where:

n(E) is the number of outcomes favourable to E.

n(S) is the total number of equally likely outcomes.

The sum of two six-sided dice roll outcome is equal to 5 as.

Outcome as 5: {(1,4), (2,3), (3,2), (4,1)}

So, the total favourable events n(E) = 4

Now, we substitute n(E) and n(s) in equation 1.

P(5)=\frac{4}{36}

p(5) = \frac{1}{9}

Using formula.

p(Not\ E) + p(E) = 1

p(Not\ 5) + p(5) = 1

Now we substitute p(5) in above equation.

p(Not\ 5) + \frac{1}{9} = 1

p(Not\ 5) = 1-\frac{1}{9}

p(Not\ 5) = \frac{9-1}{9}

p(Not\ 5) = \frac{8}{9}

Therefore, the sum of two six-sided dice roll outcome is not equal to 5.

p(Not\ 5) = \frac{8}{9}

6 0
3 years ago
What is the fractions 5/6 plus 4/6 equal?
andrezito [222]
5/6 + 4/6 = 9/6 or 1 1/2. When you have fractions with the same denominator, you can just add the numerators and simplify.
5 0
3 years ago
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