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Alexandra [31]
3 years ago
12

75% of students were boys. there 18 boys in the class wht is the total number of students

Mathematics
1 answer:
Kaylis [27]3 years ago
5 0

Answer:

the answer is 24.

Step-by-step explanation:

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It is sometimes possible to write two inequalities as a inequality.
goblinko [34]
Hi!

Yes, it is. When we have one inequality composed of two inequalities, we call this a double inequality. 

A double inequality would look something like <em>-5 < 4x < 10.

</em>Hopefully, this helps! =)<em>
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7 0
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What is 21/99 in a decimal form
Norma-Jean [14]

Answer:

0.2121~

Step-by-step explanation:

It's a repeating number. 0.0212121212

7 0
4 years ago
An experiment consists of rolling two fair dice and adding the dots on the two sides facing up. What is the probability that the
mezya [45]
Well there is a total of 20 different outcomes and you can only get a sum of 7 four times and 11 once so in total 5 times out of 20 so that is 5 to the twentieth place beyond the decimal but you can round that up to 0.5%.
4 0
3 years ago
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What is the degree of this polynomial -2a^3b^2+5ab^5+7b^4+8
Vlad1618 [11]
For this case we have the following polynomial:
 -2a ^ 3b ^ 2 + 5ab ^ 5 + 7b ^ 4 + 8&#10;
 We observe that we have a polynomial of two varibles.
 Variables: a and b
 The degree of the polynomial is given by the highest sum of the exponents of the variables.
 We have then for the following term:
 5ab^5&#10;
 The sum of the exponents is:
 5 + 1 = 6&#10;
 Therefore, the polynomial is of degree 6.
 Answer:
 
the polynomial is of degree 6.
6 0
3 years ago
Solve for m in <br> D<br> =<br> m<br> v<br> , if D= 5.1 and v = 0.3.
Ne4ueva [31]

Answer:

m = 17

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right  

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

D = mv

<em>D</em> = 5.1

<em>v</em> = 0.3

<u>Step 2: Solve for </u><em><u>m</u></em>

  1. Substitute in variables:                                                                                     5.1 = 0.3m
  2. [Division Property of Equality] Divide 0.3 on both sides:                              17 = m
  3. Rewrite:                                                                                                             m = 17
3 0
3 years ago
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