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3 years ago

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How to do math about ÷

1 answer:

Leona [35]3 years ago

6 0

BOD MAS is the most important rule of Mathematics.The rule to any mathematical scenario is Brackets,Order, Division(÷), Multiplication,Addition and Subtraction. Division has as the two dots denotes a numerator and a denominator. Numerator is lower then denominator but sometimes it can be other way around.

Step-by-step explanation:

2 ÷ 2 When you divide 2 by another number 2 the answer is 1.
Any number divide by the same number is 1
If 5 ÷ 2 , 5 portion is divided by 2 so we take 2 and result 4.
Reminder comes 1 as 4 does not equal to 5 and 4 can't go beyond 5.
Division means divide the group in two equal parts.
Long division is the operation which goes in process steps by steps.
Divisible by means one number is equally divisible by other number.

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Geometry help greatly needed, check photo for more information! <3

vlabodo [156]

Answer:

$\huge\boxed{\sf x = 55\°}$

Step-by-step explanation:

When a quadrilateral is inscribed in a circle, the opposite angles of it add up to 180 degrees.

Here,

∠DCB + ∠DAB = 180 (Opposite angles of a quad inscribed in a circle.)

<u>Given that:</u> ∠DCB = 135° and ∠DAB = x

135 + x = 180

Subtract 135 to both sides

x = 180 - 135

x = 55°

$\rule[225]{225}{2}$

Hope this helped!

<h3>~AH1807</h3>

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2 years ago

Write 2 equivalent expressions for each and find the total price

almond37 [142]

Answer:

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2 years ago

How would you do this algebra question?

sergey [27]

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3 years ago

Read 2 more answers

a random sample of 4 claims are selected from a lot of 12 that has 3 nonconforming units. using the hypergeometric distribution

Sloan [31]

Answer:

The probability that the sample will contain exactly 0 nonconforming units is P=0.25.

The probability that the sample will contain exactly 1 nonconforming units is P=0.51.

.

Step-by-step explanation:

We have a sample of size n=4, taken out of a lot of N=12 units, where K=3 are non-conforming units.

We can write the probability mass function as:

$P(x=k)=\frac{\binom{K}{k}\binom{N-K}{n-k}}{\binom{N}{n}}$

where k is the number of non-conforming units on the sample of n=4.

We can calculate the probability of getting no non-conforming units (k=0) as:

$P(x=0)=\frac{\binom{3}{0}\binom{9}{4}}{\binom{12}{4}}=\frac{1*126}{495}=\frac{126}{495} = 0.25$

We can calculate the probability of getting one non-conforming units (k=1) as:

$P(x=1)=\frac{\binom{3}{1}\binom{9}{3}}{\binom{12}{4}}=\frac{3*84}{495}=\frac{252}{495} = 0.51$

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3 years ago

What is a multiple of 7 and is also a factor of 7

olga2289 [7]

28 is a multiple of 7 and also a factor of seven!

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3 years ago