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GaryK [48]
3 years ago
10

7-4+3x0+1= How to solve this problem

Mathematics
2 answers:
zepelin [54]3 years ago
8 0
7-4+<u>3x0</u>+1=<u>7-4</u>+0+1
=<u>3+0</u>+1
=<u>3+1
</u>=4<u>
</u>
Goshia [24]3 years ago
6 0
7-4+(3*0)+1
7-4+1
7-5
2
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Evaluate the expression, if possible: √ 64
astraxan [27]

The square root of a number is the smallest (positive) number possible that when multiplied by it self equals the number in the square root.

The square root of 64 is 8 ( 8 x 8 = 64).

The answer is B.

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If two noncollinear rays join at a common endpoint, then an angle is created. Which geometry term does the statement represent?
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  a- defined term

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There are 10 true-false questions and 20 multiple choice questions from which to choose a five-question quiz how many ways can t
beks73 [17]

Answer:

In 68229 ways can the quiz be selected such that there is atleast three multiple choice questions

Step-by-step explanation:

Given:

Number of True or false questions= 10

Number of multiple choice questions= 20

To Find:

How many ways can 5 questions can be selected if there must be at least three multiple choice questions =?

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Combination

A combination is a mathematical technique that determines the number of possible arrangements in a collection of items where the order of the selection does not matter. In combinations, you can select the items in any order.  

The question States there sholud be ATLEAST 3 multiple choice question,

So, we may have

(3 Multiple choice question and 2 true or false question) or

(4 Multiple choice question and 1 true or false question) or

(5 Multiple choice question and 0 true or false question)

Required Number of ways = (20C3 X10C2) +(20C4 X10C1) + (20C5 X10C0)

Required Number of ways =(\frac{20!}{20!(20-3)!}\times\frac{10!}{10!(10-2)!})+(\frac{20!}{20!(20-4)!} \times \frac{10!}{10!(10-1)!}) +(\frac{20!}{20!(20-4)!} \times \frac{10!}{10!(10-0)!})

Required Number of ways = ( 1140 x 42) + (4845 x 10) +(15504 x 1)

Required Number of ways = 47880+48450+15504

Required Number of ways = 68229

3 0
2 years ago
Explain how to get the product of 2 times the square root of 5 and 4 times the square root of 10
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The square root of 5 is 2.2 and 4 times the square root of 10 is 100
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2 years ago
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